- What's New
- Function Overview
- Product Notices
- Service Overview
- Billing
- Getting Started
-
User Guide
- Accessing OBS
- Storage Class
- Bucket Management
- Object Management
- Permissions Control
- Data Security
- Disaster Recovery and Backup
- Domain Name Management
- Data Management
-
Data Processing
-
Image Processing
- Overview
- Notes and Constraints
- Basic Concepts
- Using Image Processing on OBS Console
- Using Image Processing with APIs
- Getting Information About an Image
- Getting the Average RGB Value of an Image
- Setting Image Effects
- Resizing Images
- Rotating Images
- Cropping Images
- Watermarking Images
- Converting Formats and Interlacing Images
- Changing Image Quality
- Slimming Images
- Image Processing Persistency
- Online Decompression
-
Image Processing
- Monitoring and Logging
- Parallel File System
-
Permissions Configuration Guide
- Differences Between OBS Permissions Control Methods
- OBS Access Control at a Glance
- Permission Control Methods
- Access Requests
-
Permission Configuration in Typical Scenarios
- Typical Permissions Scenarios
-
Granting Permissions to an IAM User Under the Current Account
- Granting an IAM User the Permissions to Create and List Buckets
- Granting an IAM User the Read/Write Permission on a Bucket
- Granting an IAM User the Specified Permissions for a Bucket
- Granting an IAM User the Read Permissions on Specific Objects
- Granting an IAM User the Specified Permissions on Specified Objects
-
Granting Permissions to Multiple IAM Users or User Groups Under the Current Account
- Granting IAM User Groups All Permissions for All OBS Resources
- Granting IAM User Groups Basic Permissions for All OBS Resources
- Granting IAM User Groups the Specified Permissions for All OBS Resources
- Granting IAM User Groups the Specified Permissions for Certain OBS Resources
- Granting IAM User Groups the Specified Permissions for a Folder
-
Granting Permissions to Other Accounts
- Granting Other Accounts the Read/Write Permission for a Bucket
- Granting Other Accounts the Specified Permissions for a Bucket
- Granting IAM Users Under an Account the Access to a Bucket and the Resources in It
- Granting Other Accounts the Read Permission for Certain Objects
- Granting Other Accounts the Specified Permissions for Certain Objects
- Granting Permissions to All Accounts
- Granting Temporary Access to OBS
- Allowing IAM Users to View Only Authorized Buckets
- Restricting Access to a Bucket for Specific IP Addresses
- Best Practices for Enterprise Data Access Control
- FAQs
- Appendix
-
Tools Guide
- OBS Tools
-
OBS Browser+
- Introduction
- OBS Browser+ Function Overview
- Downloading OBS Browser+
- Installing OBS Browser+
- Logging In to OBS Browser+
- Basic Bucket Operations
- Advanced Bucket Settings
- Object Operations
- Task Management
- Best Practices
-
FAQs
- Where Can I Obtain Access Keys (AK and SK)?
- Where Can I Obtain an IAM User ID?
- Can I Install Two OBS Browser+ Tools from Different Sites in One System?
- What Are the Differences Between OBS Browser+ and OBS Browser?
- Does OBS Browser+ Support the Migration of Account and Task Information from OBS Browser?
- Why Does the Task Processing Speed Slow After the Number of Tasks Exceeds a Million?
- Why Are the Displayed Number of Objects and Used Storage Capacity Different from the Actual Number of Objects and Storage Capacity?
- Why Is the Deliver Attribute Configured Using an SDK Overwritten to False After I Configure a Bucket ACL on OBS Browser+?
- What If "Login request denied." Is Displayed When I Try to Log In to OBS Browser+ Using an Account?
- What If "Failed to obtain the user token from IAM." Is Displayed When I Try to Log In to OBS Browser+ Using an Account?
- What If Message "Incorrect Account or Password" Is Displayed When I Try to Log In to OBS Browser+ Using an Account?
- Will Incremental Upload Be Used in Auto Upload Tasks?
- How Can I Permanently Share Files or Folders with Other Users?
- How Can I Access a Specific Bucket or Directory?
- Can I Cancel the Directory Sharing After a Directory Has Been Shared with Others?
- Can I Query the Number and Size of Files in a Folder?
- How Do I Troubleshoot a DNS Resolution Failure?
- Can OBS Browser+ List Objects with Special Characters in Their Names?
- Why Are Objects Always in the Restoring State?
- Uninstalling OBS Browser+
- Change History
-
obsutil
- obsutil Introduction
- Downloading and Installing obsutil
- Getting Started
- Bucket Commands
-
Object Commands
- Creating a Folder
- Uploading an Object
- Querying Object Properties
- Setting Object Properties
- Listing Objects
- Copying an Object
- Moving an Object
- Downloading an Object
- Generating the Download Link of an Object
- Deleting an Object
- Synchronously Uploading Incremental Objects
- Synchronously Copying Incremental Objects
- Synchronously Downloading Incremental Objects
- Restoring Objects from the Archive Storage
- Resuming a Failed Upload Task
- Resuming a Failed Copy Task
- Resuming a Failed Download Task
- Listing Multipart Upload Tasks
- Deleting a Multipart Upload Task
- Creating an Authorization Code for Directory Sharing
- Listing Objects by Using an Authorization Code
- Downloading Objects by Using an Authorization Code
- Auxiliary Commands
- Common Examples
- Fault Locating
-
Best Practices
- Using the obsutil help Command to Search for Functions
- Configuring Scheduled Tasks Using the Crontab Command
- Setting obsutil Commands as Built-in Commands
- Configuring Auto Obtaining of Access Keys for obsutil
- Fine-Tuning obsutil Performance
- Using obsutil for Resumable Data Transfer
- Using obsutil to Upload a Symbolic Link
- Configuring an HTTP Proxy for obsutil
- Using obsutil to Share Directories
- Using obsutil to Replicate Data Across Regions on the Client Side
- Limiting the Upload and Download Rate for obsutil
-
FAQs
- After Some Files Are Deleted in My Local Directory, Can obsutil Synchronously Delete Them from the Bucket?
- Can I Use obsutil to Directly Save a Listing Result to a Local File?
- Why Is the Size of Objects Queried by obsutil Inconsistent with That on OBS Console?
- How Can I Find Out Why Some Tasks in a Batch Task Failed?
- How Can I Locate and Rectify I/O Timeout and EOF Errors?
- Why Is a Question Mark Displayed in the Batch Task Progress Bar?
- Can Multiple config Files Be Placed in One Directory?
- Why Is the Number of Objects I Downloaded from OBS to My Local Windows PC Different from That in OBS?
- Can I Rename an Object or a Folder?
- Configuration Parameters
- obsfs (abandoned)
-
Best Practices
- Overview
- Uploading Data to OBS
- Migrating Data to OBS
- Accessing Data Stored in OBS
- Using a User-Defined Domain Name to Host a Static Website
- Verifying Data Consistency
- Suggestions on OBS Security Configuration
- Suggestions on OBS Performance Optimization
- Using OBS to Decouple Storage from Compute in Big Data Scenarios
- Using s3fs to Mount an OBS Bucket
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Getting Started
-
APIs
- Operations on Buckets
-
Advanced Bucket Settings
- Configuring a Bucket Policy
- Obtaining Bucket Policy Information
- Deleting a Bucket Policy
- Configuring a Bucket ACL
- Obtaining Bucket ACL Information
- Configuring Logging for a Bucket
- Obtaining a Bucket Logging Configuration
- Configuring Bucket Lifecycle Rules
- Obtaining Bucket Lifecycle Configuration
- Deleting Lifecycle Rules
- Configuring Versioning for a Bucket
- Obtaining Bucket Versioning Status
- Configuring Storage Class for a Bucket
- Obtaining Bucket Storage Class Information
- Configuring Cross-Region Replication for a Bucket
- Obtaining the Cross-Region Replication Configuration of a Bucket
- Deleting the Cross-Region Replication Configuration of a Bucket
- Configuring Tags for a Bucket
- Obtaining Bucket Tags
- Deleting Tags
- Configuring Bucket Storage Quota
- Querying Bucket Storage Quota
- Obtaining Storage Information of a Bucket
- Configuring Bucket Inventories
- Obtaining a Specific Inventory of a Bucket
- Listing All Inventories of a Bucket
- Deleting Bucket Inventories
- Configuring a Custom Domain Name for a Bucket
- Obtaining the Custom Domain Name of a Bucket
- Deleting the Custom Domain Name of a Bucket
- Configuring Bucket Encryption
- Obtaining Bucket Encryption Configuration
- Deleting the Encryption Configuration of a Bucket
- Setting the Direct Reading Policy for Archive Objects in a Bucket
- Obtaining the Direct Reading Policy of Archive Objects in a Bucket
- Deleting the Direct Reading Policy of Archive Objects in a Bucket
- Configuring Mirroring Back-to-Source Rules
- Obtaining Mirroring Back-to-Source Rules
- Deleting Mirroring Back-to-Source Rules
- Setting an Online Decompression Policy
- Obtaining an Online Decompression Policy
- Deleting an Online Decompression Policy
- Configuring a Default WORM Policy for a Bucket
- Obtaining the Default WORM Policy of a Bucket
-
Static Website Hosting
- Configuring Static Website Hosting for a Bucket
- Obtaining the Static Website Hosting Configuration of a Bucket
- Deleting the Static Website Hosting Configuration of a Bucket
- Configuring Bucket CORS
- Obtaining the CORS Configuration of a Bucket
- Deleting the CORS Configuration of a Bucket
- OPTIONS Bucket
- OPTIONS Object
-
Operations on Objects
- Uploading an Object - PUT
- Uploading an Object - POST
- Copying an Object
- Downloading an Object
- Querying Object Metadata
- Deleting an Object
- Deleting Objects
- Restoring Archive or Deep Archive Objects
- Appending an Object
- Configuring an Object ACL
- Obtaining Object ACL Configuration
- Modifying Object Metadata
- Modifying an Object
- Truncating an Object
- Renaming an Object
- Configuring WORM Retention for an Object
- Operations on Multipart Upload
- Server-Side Encryption
- Error Codes
- Permissions and Supported Actions
- Appendixes
-
SDK Reference
- SDK Overview
- SDK Function Matrices
-
Python
- Before You Start (SDK for Python)
- API Overview of OBS SDK for Python
- Preparations (SDK for Python)
- Downloading and Installing OBS SDK for Python
- Getting Started with OBS SDK for Python
- Initialization (SDK for Python)
-
Bucket-Related APIs (SDK for Python)
- Creating a Bucket (SDK for Python)
- Obtaining a Bucket List (SDK for Python)
- Checking Whether a Bucket Exists (SDK for Python)
- Deleting a Bucket (SDK for Python)
- Listing Objects in a Bucket (SDK for Python)
- Listing Object Versions in a Bucket (SDK for Python)
- Obtaining Bucket Metadata (SDK for Python)
- Obtaining the Region of a Bucket (SDK for Python)
- Obtaining Storage Information of a Bucket (SDK for Python)
- Configuring a Storage Quota (SDK for Python)
- Obtaining a Bucket Storage Quota (SDK for Python)
- Configuring a Storage Class for a Bucket (SDK for Python)
- Obtaining the Storage Class of a Bucket (SDK for Python)
- Configuring a Bucket ACL (SDK for Python)
- Obtaining a Bucket ACL (SDK for Python)
- Configuring Logging for a Bucket (SDK for Python)
- Obtaining the Logging Configuration of a Bucket (SDK for Python)
- Configuring a Bucket Policy (SDK for Python)
- Obtaining the Policy of a Bucket (SDK for Python)
- Deleting a Bucket Policy (SDK for Python)
- Configuring Lifecycle Rules for a Bucket (SDK for Python)
- Obtaining the Lifecycle Configuration of a Bucket (SDK for Python)
- Deleting the Lifecycle Configuration of a Bucket (SDK for Python)
- Configuring Static Website Hosting for a Bucket (SDK for Python)
- Obtaining Static Website Hosting for a Bucket (SDK for Python)
- Deleting Static Website Hosting for a Bucket (SDK for Python)
- Configuring Versioning for a Bucket (SDK for Python)
- Obtaining the Versioning Status of a Bucket (SDK for Python)
- Configuring CORS for a Bucket (SDK for Python)
- Obtaining the CORS Configuration of a Bucket (SDK for Python)
- Deleting the CORS Configuration of a Bucket (SDK for Python)
- Configuring Tags for a Bucket (SDK for Python)
- Obtaining Bucket Tags (SDK for Python)
- Deleting Bucket Tags (SDK for Python)
-
Object-Related APIs (SDK for Python)
- Object Upload Overview (SDK for Python)
- Uploading Objects - Text-Based (SDK for Python)
- Uploading an Object - Streaming (SDK for Python)
- Uploading an Object - File-Based (SDK for Python)
- Uploading an Object - Append (SDK for Python)
- Uploading an Object - Resumable (SDK for Python)
- Obtaining the Upload Progress (SDK for Python)
- Uploading an Object - Browser-Based (SDK for Python)
- Object Download Overview (SDK for Python)
- Downloading an Object - Binary (SDK for Python)
- Downloading an Object - Streaming (SDK for Python)
- Downloading an Object - File-Based (SDK for Python)
- Downloading an Object - Range-Based (SDK for Python)
- Downloading an Object - Resumable (SDK for Python)
- Downloading an Object - Obtaining the Download Progress (SDK for Python)
- Uploading an Object - Creating a Folder (SDK for Python)
- Copying an Object (SDK for Python)
- Deleting an Object (SDK for Python)
- Batch Deleting Objects (SDK for Python)
- Obtaining Object Metadata (SDK for Python)
- Modifying Object Metadata (SDK for Python)
- Configuring an Object ACL (SDK for Python)
- Obtaining an Object ACL (SDK for Python)
- Restoring an Archive Object (SDK for Python)
-
APIs Related to Multipart Upload (SDK for Python)
- Multipart Upload Overview (SDK for Python)
- Initiating a Multipart Upload (SDK for Python)
- Uploading a Part (SDK for Python)
- Listing Uploaded Parts (SDK for Python)
- Listing Multipart Uploads (SDK for Python)
- Assembling Parts (SDK for Python)
- Copying a Part (SDK for Python)
- Aborting a Multipart Upload (SDK for Python)
- Client-Side Encryption APIs (SDK for Python)
- Other APIs (SDK for Python)
- Troubleshooting (SDK for Python)
-
FAQs (SDK for Python)
- How Do I Make an Object Accessible to Anonymous Users? (SDK for Python)
- How Can I Obtain the AK and SK? (SDK for Python)
- How Do I Obtain an Object URL? (Python SDK)
- How Do I Improve the Uploading Speed of Large Files over the Public Network? (SDK for Python)
- How Do I Specify Content-SHA256? (SDK for Python)
- Why Does the SDK Source Code Contain acs.amazonaws.com? (SDK for Python)
- Setting an Object Expiration Time (SDK for Python)
- What Is Content-Type (MIME)? (Python SDK)
- How Do I Get My Account ID and IAM User ID? (SDK for Python)
-
Java
- Before You Start (SDK for Java)
- API Overview (SDK for Java)
- Preparations (SDK for Java)
- SDK Download and Installation (SDK for Java)
- Getting Started (SDK for Java)
- Initialization (SDK for Java)
-
Bucket Management (SDK for Java)
- Creating a Bucket (SDK for Java)
- Obtaining a Bucket List (SDK for Java)
- Deleting a Bucket (SDK for Java)
- Checking Whether a Bucket Exists (SDK for Java)
- Obtaining Bucket Metadata (SDK for Java)
- Configuring a Bucket ACL (SDK for Java)
- Obtaining a Bucket ACL (SDK for Java)
- Configuring a Bucket Policy (SDK for Java)
- Obtaining the Policy of a Bucket (SDK for Java)
- Deleting a Bucket Policy (SDK for Java)
- Obtaining the Region of a Bucket (SDK for Java)
- Obtaining Storage Information of a Bucket (SDK for Java)
- Configuring a Storage Quota (SDK for Java)
- Obtaining a Bucket Storage Quota (SDK for Java)
- Configuring a Storage Class for a Bucket (SDK for Java)
- Obtaining the Storage Class of a Bucket (SDK for Java)
- Bucket Inventory (SDK for Java)
- Parallel File System Management (SDK for Java)
-
Object Upload (SDK for Java)
- Overview (SDK for Java)
- Uploading an Object - Streaming (SDK for Java)
- Uploading an Object - File-Based (SDK for Java)
- Obtaining the Upload Progress (SDK for Java)
- Creating a Folder (SDK for Java)
- Configuring Object Metadata (SDK for Java)
-
Multipart Upload (SDK for Java)
- Multipart Upload Overview (SDK for Java)
- Initiating a Multipart Upload (SDK for Java)
- Uploading a Part (SDK for Java)
- Assembling Parts (SDK for Java)
- Code Example of a Multipart Upload (SDK for Java)
- Aborting a Multipart Upload (SDK for Java)
- Listing Uploaded Parts (SDK for Java)
- Listing Multipart Uploads (SDK for Java)
- Configuring Lifecycle Rules (SDK for Java)
- Uploading an Object - Append (SDK for Java)
- Uploading an Object - Resumable (SDK for Java)
- Uploading an Object - Browser-Based (SDK for Java)
-
Object Download (SDK for Java)
- Overview (SDK for Java)
- Downloading an Object - Streaming (SDK for Java)
- Downloading an Object - Range-Based (SDK for Java)
- Obtaining the Download Progress (SDK for Java)
- Downloading an Object - Conditional (SDK for Java)
- Rewriting Response Headers (SDK for Java)
- Obtaining User-defined Metadata (SDK for Java)
- Restoring an Archive Object (SDK for Java)
- Downloading an Object - Resumable (SDK for Java)
- Downloading a Processed Image (SDK for Java)
- Creating a Signed URL for Downloading a Processed Image (SDK for Java)
-
Object Management (SDK for Java)
- Configuring Object Metadata (SDK for Java)
- Obtaining Object Metadata (SDK for Java)
- Configuring an Object ACL (SDK for Java)
- Obtaining an Object ACL (SDK for Java)
- Listing Objects (SDK for Java)
- Deleting an Object (SDK for Java)
- Batch Deleting Objects (SDK for Java)
- Copying an Object (SDK for Java)
- Copying an Object - Multipart (SDK for Java)
- Checking Whether an Object Exists (SDK for Java)
- Temporarily Authorized Access (SDK for Java)
-
Versioning (SDK for Java)
- Overview (SDK for Java)
- Configuring Versioning for a Bucket (SDK for Java)
- Obtaining the Versioning Status of a Bucket (SDK for Java)
- Obtaining an Object Version (SDK for Java)
- Copying an Object Version (SDK for Java)
- Restoring a Specific Archive Object Version (SDK for Java)
- Listing Object Versions (SDK for Java)
- Setting an ACL for an Object Version (SDK for Java)
- Obtaining the ACL of an Object Version (SDK for Java)
- Deleting an Object Version (SDK for Java)
- Batch Deleting Object Versions (SDK for Java)
- Lifecycle Management (SDK for Java)
- Cross-Origin Resource Sharing (SDK for Java)
- Logging (SDK for Java)
- Static Website Hosting (SDK for Java)
- Bucket Tag Management (SDK for Java)
- Server-Side Encryption (SDK for Java)
- Client-Side Encryption (SDK for Java)
- Fault Locating (SDK for Java)
- Troubleshooting (SDK for Java)
-
FAQs (SDK for Java)
- Can I Use This Document for Union SDK?
- How Can I Set an Object to Be Accessible to Anonymous Users? (Java SDK)
- What Is the Retry Mechanism of SDK? (SDK for Java)
- How Do I Obtain the Static Website Access Address of a Bucket? (Java SDK)
- How Do I Obtain an Object URL? (Java SDK)
- How to Improve the Speed of Uploading Large Files over the Public Network? (SDK for Java)
- How Can I Perform a Multipart Upload? (SDK for Java)
- How Can I Perform a Download in Multipart Mode? (Java SDK)
- How Do I Confirm that an Upload is Successful If I Upload an Object to Overwrite an Existing Object with the Same Name in a Bucket? (SDK for Java)
- How Do I Download an Encrypted Object Using a URL? (SDK for Java)
- How Do I Generate an SSE-C Encryption Key?
- How Do I Obtain the Security Token? (Java SDK)
- Does the SDK Support Uploading, Downloading, or Copying Objects in a Batch? (Java SDK)
- How Do I Specify Content-SHA256?
- Why Does the SDK Source Code Contain acs.amazonaws.com? (Java SDK)
- What Is Content-Type (MIME)? (Java SDK)
- How Do I Get My Account ID and User ID?
-
Go
- Before You Start (SDK for Go)
- API Overview of OBS SDK for Go
- Preparations (SDK for Go)
- Downloading and Installing OBS SDK for Go
- Getting Started with OBS SDK for Go
- Initializing OBS SDK for Go
-
Buckets (SDK for Go)
- Bucket API Overview (SDK for Go)
- Creating a Bucket (SDK for Go)
- Obtaining a Bucket List (SDK for Go)
- Checking Whether a Bucket Exists (SDK for Go)
- Deleting a Bucket (SDK for Go)
- Listing Objects in a Bucket (SDK for Go)
- Listing Object Versions in a Bucket (SDK for Go)
- Obtaining Bucket Metadata (SDK for Go)
- Obtaining the Region of a Bucket (SDK for Go)
- Obtaining Storage Information of a Bucket (SDK for Go)
- Configuring a Storage Quota (SDK for Go)
- Obtaining a Bucket Storage Quota (SDK for Go)
- Configuring Storage Class for a Bucket (SDK for Go)
- Obtaining the Storage Class of a Bucket (SDK for Go)
- Configuring a Bucket ACL (SDK for Go)
- Obtaining the Bucket ACL (SDK for Go)
- Configuring Logging for a Bucket (SDK for Go)
- Obtaining the Logging Configuration of a Bucket (SDK for Go)
- Configuring a Bucket Policy (SDK for Go)
- Obtaining the Policy of a Bucket (SDK for Go)
- Deleting a Bucket Policy (SDK for Go)
- Configuring Lifecycle Rules for a Bucket (SDK for Go)
- Obtaining the Lifecycle Configuration of a Bucket (SDK for Go)
- Deleting the Lifecycle Configuration of a Bucket (SDK for Go)
- Configuring Static Website Hosting for a Bucket (SDK for Go)
- Obtaining the Static Website Hosting Configuration of a Bucket (SDK for Go)
- Deleting the Static Website Hosting Configuration of a Bucket (SDK for Go)
- Configuring Versioning for a Bucket (SDK for Go)
- Obtaining the Versioning Status of a Bucket (SDK for Go)
- Configuring CORS for a Bucket (SDK for Go)
- Obtaining the CORS Configuration of a Bucket (SDK for Go)
- Deleting the CORS Configuration of a Bucket (SDK for Go)
- Configuring Tags for a Bucket (SDK for Go)
- Obtaining Bucket Tags (SDK for Go)
- Deleting Bucket Tags (SDK for Go)
- Configuring Bucket Encryption (SDK for Go)
- Obtaining the Bucket Encryption Configuration (SDK for Go)
- Deleting the Bucket Encryption Configuration (SDK for Go)
- Configuring a Custom Domain Name for a Bucket (SDK for Go)
- Obtaining the Custom Domain Name of a Bucket (SDK for Go)
- Deleting the Custom Domain Name of a Bucket (SDK for Go)
- Parallel File System APIs (SDK for Go)
-
Objects (SDK for Go)
- Object API Overview (SDK for Go)
- Object Upload Overview (SDK for Go)
- Object Download Overview (SDK for Go)
- Creating a Folder (SDK for Go)
- Copying an Object (SDK for Go)
- Deleting an Object (SDK for Go)
- Batch Deleting Objects (SDK for Go)
- Configuring Object Metadata (SDK for Go)
- Obtaining Object Metadata (SDK for Go)
- Configuring an Object ACL (SDK for Go)
- Obtaining Object ACL Information (SDK for Go)
- Rewriting Response Headers (SDK for Go)
- Processing an Image (SDK for Go)
- Restoring an Archive Object (SDK for Go)
- Modifying an Object (SDK for Go)
- Multipart Uploads (SDK for Go)
- Other APIs (SDK for Go)
- Single-Connection Bandwidth Throttling (SDK for Go)
- Troubleshooting (SDK for Go)
- FAQ (SDK for Go)
-
Android
- Installing the SDK
- Example Programs
- Quick Start
- Initialization
- Bucket Management
-
Object Upload
- Object Upload Overview
- Performing a Streaming Upload
- Performing a File-Based Upload
- Obtaining Upload Progresses
- Creating a Folder
- Setting Object Properties
- Performing a Multipart Upload
- Configuring Lifecycle Management
- Performing an Appendable Upload
- Performing a Multipart Copy
- Performing a Resumable Upload
- Performing a Browser-Based Upload
- Object Download
- Object Management
- Temporarily Authorized Access
- Versioning Management
- Lifecycle Management
- CORS
- Access Logging
- Static Website Hosting
- Tag Management
- Server-Side Encryption
- Troubleshooting
- FAQ
- API Reference
-
C
- Before You Start
- Downloading and Installing the SDK
- Quick Start
- Initialization
- Bucket Management
- Uploading an Object
- Downloading an Object
- Object Management
- Temporarily Authorized Request
- Accessing OBS Through a User-Defined Domain Name
- Versioning Management
- Lifecycle Management
- Cross-Origin Resource Sharing (CORS)
- Setting Access Logging
- Static Website Hosting
- Tag Management
- Server-Side Encryption
- Troubleshooting
- FAQs
-
BrowserJS
- Before You Start
- SDK Download Links
- Example Programs
- Quick Start
- Initialization
- Fault Locating
- Bucket Management
-
Object Upload
- Object Upload Overview
- Performing a Text-Based Upload
- Performing a File-Based Upload
- Obtaining Upload Progresses
- Creating a Folder
- Setting Object Properties
- Performing a Multipart Upload
- Configuring Lifecycle Management
- Performing an Appendable Upload
- Performing a Multipart Copy
- Performing a Resumable Upload
- Performing a Browser-Based Upload
-
Object Download
- Object Download Overview
- Performing a Text-Based Download
- Performing a Binary Download
- Performing a File-Based Download
- Performing a Partial Download
- Obtaining Download Progresses
- Performing a Conditioned Download
- Rewriting Response Headers
- Obtaining Customized Metadata
- Downloading an Archive Object
- Processing an Image
- Object Management
- Temporarily Authorized Access
- Versioning Management
- Lifecycle Management
- Access Logging
- Static Website Hosting
- Tag Management
- Server-Side Encryption
- Troubleshooting
-
FAQs
- How Do I Upload Files Using a Browser that Does Not Support window.File?
- How Can I Set an Object to Be Accessible to Anonymous Users?
- How Do I Obtain the Static Website Access Address of a Bucket?
- How Do I Obtain an Object URL?
- How to Improve the Speed of Uploading Large Files over the Public Network?
- How Do I Suspend a Resumable Upload Task?
- How Do I Interact with OBS Without Exposing My AK and SK?
- How Do I Upload a Base64-Encoded Image?
- What Do I Do If the Resumable Upload API Reports a "400 InvalidPart" Error?
-
iOS
- SDK Download Links
- Compatibility
- Quick Start
- Initialization
- Bucket Management
-
Object Upload
- Object Upload Overview
- Performing a Streaming Upload
- Performing a File-Based Upload
- Creating a Folder
- Setting Object Properties
- Performing a Multipart Upload
- Configuring Lifecycle Management
- Appendable Upload
- Performing a Multipart Copy
- Performing a Resumable Upload
- Pausing and Resuming/Aborting a Resumable Upload
- Object Download
- Object Management
- Temporarily Authorized Access
- Versioning Management
- Lifecycle Management
- CORS
- Access Logging
- Static Website Hosting
- Tag Management
- Server-Side Encryption
- Troubleshooting
- FAQ
- API Reference
-
PHP
- SDK Download Links
- Example Programs
-
Quick Start
- Before You Start
- Setting Up an OBS Environment
- Preparing a Development Environment
- Installing the SDK
- Obtaining Endpoints
- Initializing an Instance of ObsClient
- Creating a Bucket
- Uploading an Object
- Downloading an Object
- Listing Objects
- Deleting an Object
- General Examples of ObsClient
- Pre-defined Constants
- Initialization
- Bucket Management
- Object Upload
- Object Download
- Object Management
- Temporarily Authorized Access
- Versioning Management
- Lifecycle Management
- CORS
- Access Logging
- Static Website Hosting
- Tag Management
- Server-Side Encryption
- Troubleshooting
- FAQs
-
Node.js
- Downloading an SDK (SDK for Node.js)
- Example Programs (SDK for Node.js)
-
Getting Started (SDK for Node.js)
- Before You Start (SDK for Node.js)
- Setting Up an OBS Environment (SDK for Node.js)
- Preparing a Development Environment (SDK for Node.js)
- Installing the SDK (SDK for Node.js)
- Obtaining Endpoints (SDK for Node.js)
- Initializing an Instance of ObsClient (SDK for Node.js)
- Creating a Bucket (SDK for Node.js)
- Uploading an Object (SDK for Node.js)
- Downloading an Object (SDK for Node.js)
- Listing Objects (SDK for Node.js)
- Deleting an Object (SDK for Node.js)
- General Ways to Use ObsClient (SDK for Node.js)
- Initialization (SDK for Node.js)
-
Bucket Management (SDK for Node.js)
- Creating a Bucket (SDK for Node.js)
- Listing Buckets (SDK for Node.js)
- Checking Whether a Bucket Exists (SDK for Node.js)
- Deleting a Bucket (SDK for Node.js)
- Obtaining Bucket Metadata (SDK for Node.js)
- Configuring a Bucket ACL (SDK for Node.js)
- Obtaining a Bucket ACL (SDK for Node.js)
- Configuring a Bucket Policy (SDK for Node.js)
- Obtaining the Policy of a Bucket (SDK for Node.js)
- Deleting a Bucket Policy (SDK for Node.js)
- Obtaining the Region of a Bucket (SDK for Node.js)
- Obtaining Storage Information of a Bucket (SDK for Node.js)
- Configuring a Storage Quota for a Bucket (SDK for Node.js)
- Obtaining the Storage Quota of a Bucket (SDK for Node.js)
- Configuring a Storage Class for a Bucket (SDK for Node.js)
- Obtaining the Storage Class of a Bucket (SDK for Node.js)
-
Object Upload (SDK for Node.js)
- Object Upload Overview (SDK for Node.js)
- Uploading an Object - Text-Based (SDK for Node.js)
- Uploading an Object - Streaming (SDK for Node.js)
- Uploading an Object - File-Based (SDK for Node.js)
- Creating a Folder (SDK for Node.js)
- Configuring Object Metadata (SDK for Node.js)
- Configuring a Lifecycle Rule When Uploading an Object (SDK for Node.js)
- Uploading an Object - Append (SDK for Node.js)
- Uploading an Object - Resumable (SDK for Node.js)
- Uploading an Object - Browser-Based (SDK for Node.js)
-
Object Download (SDK for Node.js)
- Overview (SDK for Node.js)
- Downloading an Object - Text-Based (SDK for Node.js)
- Downloading an Object - Streaming (SDK for Node.js)
- Downloading an Object - File-Based (SDK for Node.js)
- Downloading an Object - Range-Based (SDK for Node.js)
- Downloading an Object - Conditional (SDK for Node.js)
- Rewriting Response Headers (SDK for Node.js)
- Downloading an Archive Object (SDK for Node.js)
- Downloading an Object - Resumable (SDK for Node.js)
- Processing an Image (SDK for Node.js)
-
Object Management (SDK for Node.js)
- Configuring Object Metadata (SDK for Node.js)
- Obtaining Object Metadata (SDK for Node.js)
- Configuring an Object ACL (SDK for Node.js)
- Obtaining the ACL of an Object (SDK for Node.js)
- Listing Objects in a Bucket (SDK for Node.js)
- Deleting an Object (SDK for Node.js)
- Batch Deleting Objects (SDK for Node.js)
- Copying an Object (SDK for Node.js)
-
Multipart Upload (SDK for Node.js)
- Multipart Upload APIs (SDK for Node.js)
- Initiating a Multipart Upload (SDK for Node.js)
- Uploading a Part (SDK for Node.js)
- Assembling Parts (SDK for Node.js)
- Listing Uploaded Parts (SDK for Node.js)
- Listing Multipart Uploads (SDK for Node.js)
- Copying a Part (SDK for Node.js)
- Aborting a Multipart Upload (SDK for Node.js)
- Temporarily Authorized Access (SDK for Node.js)
-
Versioning (SDK for Node.js)
- Versioning Overview (SDK for Node.js)
- Configuring Versioning for a Bucket (SDK for Node.js)
- Viewing the Versioning Status of a Bucket (SDK for Node.js)
- Obtaining an Object Version (SDK for Node.js)
- Copying an Object Version (SDK for Node.js)
- Restoring an Archive Object Version (SDK for Node.js)
- Listing Object Versions in a Bucket (SDK for Node.js)
- Setting an ACL for an Object Version (SDK for Node.js)
- Obtaining the ACL of an Object Version (SDK for Node.js)
- Deleting an Object Version (SDK for Node.js)
- Lifecycle (SDK for Node.js)
- Bucket CORS (SDK for Node.js)
- Logging (SDK for Node.js)
- Static Website Hosting (SDK for Node.js)
- Tagging (SDK for Node.js)
- Server-Side Encryption (SDK for Node.js)
- Troubleshooting (SDK for Node.js)
- FAQs (SDK for Node.js)
-
.NET
- Before You Start
- SDK Download Links
- Example Programs
- Quick Start
- Initialization
-
Bucket Management
- Creating a Bucket
- Listing Buckets
- Deleting a Bucket
- Identifying Whether a Bucket Exists
- Obtaining Bucket Metadata
- Managing Bucket ACLs
- Management Bucket Policies
- Obtaining a Bucket Location
- Obtaining Storage Information About a Bucket
- Setting or Obtaining a Bucket Quota
- Setting or Obtaining the Storage Class of a Bucket
-
Object Upload
- Object Upload Overview
- Performing a Streaming Upload
- Performing a File-Based Upload
- Performing an Asynchronous Upload
- Obtaining Upload Progress
- Creating a Folder
- Setting Object Properties
- Performing a Multipart Upload
- Configuring Lifecycle Management
- Performing an Appendable Upload
- Performing a Multipart Copy
- Performing a Resumable Upload
-
Object Download
- Object Download Overview
- Performing a Streaming Download
- Performing a Partial Download
- Performing an Asynchronous Download
- Obtaining Download Progress
- Performing a Conditioned Download
- Rewriting Response Headers
- Obtaining Custom Metadata
- Downloading an Archive Object
- Performing a Resumable Download
- Processing an Image
- Object Management
- Temporarily Authorized Access
- Versioning Management
- Lifecycle Management
- CORS
- Access Logging
- Static Website Hosting
- Tag Management
- Server-Side Encryption
- Troubleshooting
- FAQ
-
FAQs
-
OBS Basics
- How Do I Obtain an OBS Endpoint?
- How Much Data Can I Store in OBS?
- How Can I Determine Which Region to Store My Data In?
- Does OBS Support Access over HTTPS?
- Can Other Users Access My Data Stored in OBS?
- Why Is an Alarm Reported When I Access OBS and What Can I Do?
- Can Deleted Data Be Recovered?
- What Can I Do If My Access to the OBS Domain Name Failed Due to a CA Certificate Connection Failure?
- Why Did Some of My Data Stored on OBS Get Lost?
- Does OBS Support Traffic Monitoring?
- What Are the Factors That Affect Upload and Download Speeds of OBS?
- What Are the Advantages of Object Storage over SAN and NAS Storage?
- Can Folders in OBS Be Used the Same Way as in a File System?
- What Are the Differences Between OBS, EVS, and SFS?
- How Do I Determine Whether I Am Accessing OBS over an Intranet?
- Will My Bucket Performance Be Affected by Other Users' Services?
- Why Is My Data on the OBS Bucket Overview Page Inconsistent?
- What Can I Do If There Are Packet Loss and Network Instability Problems In Cross-Border Data Transfer Scenarios?
-
Billing
- Why Does My Bucket Generate Storage Costs Even Though There Are No Objects in It?
- Why Does My Bucket Generate Traffic When There Are No Objects in It?
- Why Am I Still Being Billed After I Purchased a Resource Package?
- Why Am I Still Being Billed for Pull Traffic Used by CDN Acceleration When I Already Have a Pull Traffic Package?
- Why Are OBS Resources Still Unavailable Even Though My Account Has a Valid Payment Method and There Are No Outstanding Bills?
- Do I Have to Purchase a Resource Package? Can I Apply a Package to a Specific Bucket?
- Can I Unsubscribe from or Modify a Resource Package?
- What Can I Do If My Resource Package Expires?
- Do Parallel File Systems Support Resource Packages?
- How Are Requests Counted?
- Can I Purchase Requests?
- Will My Data Write Be Restricted When My OBS Package Has Been Used Up?
- Will the Remaining Package Quota in a Given Month Be Carried over to the Following Month?
- Which Types of Resource Packages Will Reset Their Quota by Month and Which Types Will Not?
- Do I Need to Purchase an Outbound Internet Traffic Package If I Already Have a Pull Traffic Package?
- Why Is There a Charge of $0.01 USD on My OBS Bill?
- Why Is There a Large Amount of Outbound Internet Traffic in My Bill?
-
Access Control
- Why Is the Message "Access denied" Still Appearing After OBS System Permissions or Bucket Read and Write Permissions Are Allowed?
- Why Can't I Access OBS (403 AccessDenied) After Being Granted with the OBS Access Permission?
- What Is the Relationship Between a Bucket Policy and an Object Policy?
- How Do I Control Access to Folders in an OBS Bucket?
- Why Was the Value of the delivered Parameter Changed to false After I Configured the Bucket ACL for Anonymous Users on the OBS Console?
-
Buckets and Objects
- Why Am I Unable to Create a Bucket?
- Why Am I Unable to Upload an Object?
- Why Am I Unable to Download an Object?
- Why Can't I Delete a Bucket?
- Why Can't I Delete an Object?
- Why Can't I Access an Object Through Its URL?
- How Do I Preview OBS Objects in My Web Browser?
- Can I Rename an Object?
- Can I Edit Objects in OBS Online?
- How Do I Obtain the Access Path to an Object?
- Can I Modify the Region of a Bucket?
- How Do I Change the Enterprise Project Where My Bucket Belongs?
- Can I Copy a File Between Buckets?
- Can I Move a File Between Buckets?
- Can I Upload Objects with the Same Name to the Same Folder?
- Does OBS Support Resumable Transfer?
- Does OBS Support Batch Upload?
- Does OBS Support Batch Download?
- Does OBS Support Batch Deletion of Objectsor Emptying a Bucket?
- What If an Object Can't Be Found in a Bucket or a 403 Error Is Returned?
- What Should I Do If an Error Message Is Displayed When I Use Internet Explorer to Access an Object URL That Contains Chinese Characters?
- Why Is an Error Reported Even If OBS CORS Has Been Configured?
- How Do I Query the Size of a Folder in a Bucket?
- How Do I Upload Objects Larger Than 5 GB?
-
Data Security, Migration, and Backup
- How Is Data Security Ensured in OBS?
- Can I Recover OBS Data After It Is Deleted or Overwritten?
- Can I Change the AK and SK or Share Them with Others for Accessing OBS?
- How Do I Migrate Data to OBS?
- How Does OBS Implement Backup and Disaster Recovery?
- How Can I Migrate Data Between SFS and OBS?
- Does OBS Scan My Data for Other Purposes?
- Can Engineers Export My Data from the Background of OBS?
- How Does OBS Protect My Data from Being Stolen?
- How Durable and Available Is OBS?
- What Are the Differences Between Single-AZ and Multi-AZ Storage in OBS?
- What Redundancy Techniques Does OBS Use?
- Versioning
-
Server-Side Encryption
- How Do I Access or Download an Encrypted Object?
- Why Cannot an Authorized Account or User Upload or Download KMS Encrypted Objects?
- Are Additional Permissions Required When I Share an Object with SSE-OBS Encrypted?
- Does OBS Support Encrypted Upload?
- What Techniques Can I Use to Encrypt Data on OBS?
- Will OBS Server-Side Encryption Encrypt My Existing Objects That Are Unencrypted?
- Will I Be Billed for the Encryption Provided by OBS Server-Side Encryption?
- Does OBS SSE-KMS Allow Anonymous Access?
- How Do I Use Cross-Region Replication?
-
Domain Name Management
- Why Is the Message "NoSuchBucket" Displayed When I Use a User-Defined Domain Name to Access a Bucket That Can Be Accessed by the OBS Domain Name?
- With CDN Acceleration Enabled, Why Are the Objects in My OBS Bucket Directly Downloaded When I Access Them?
- What Is the Relationship Between OBS Bucket Names and Domain Names?
- Why Is the CNAME Resolution Status Unknown?
- Why Can Only the Domain Names I Bought on Huawei Cloud Be Automatically Resolved In One Click?
- How Do I Use Static Website Hosting?
-
Image Processing
- How Do I Access Image Processing with a URL?
- After CDN Acceleration Is Enabled, Where Are Processed Images Stored?
- After I Performed Image Processing in My Logging-enabled Bucket, Why Was My Bucket Accessed by IP Addresses Starting with 100?
- How Is Image Processing Billed?
- How Many Image Styles Can I Create in a Bucket?
- Parallel File System
- Monitoring
-
OBS Console
- Web Browser Compatibility
- Time Difference Is Longer Than 15 Minutes Between the Client and Server
- The Object Name Changes After an Object with a Long Name Is Downloaded to a Local Computer
- An Object Fails to Be Downloaded Using Internet Explorer 11
- OBS Console Couldn't Be Opened in Internet Explorer 9
- Error Code List
-
OBS Browser+, obsutil, and Other OBS Tools
- When Downloading a Folder Using obsutil, the Download Speed Slows After the Folder Download Progress Reaches 90%
- With obsutil, Downloading a File Fails After the Download Progress Reaches 99%
- Slow Upload and Download Through obsutil
- How Do I Use the obsutil cp Command to Enable Incremental Upload, Download, or Replication?
- Can I Mount My Parallel File System to a Windows Server?
-
APIs and SDKs
- Failure with OBS SDK in Uploading a File Greater than 5 GB
- What Can I Do When Error Message "okhttp3.RequestBody.create(java.lang.String,okhttp3.MediaType)" Is Displayed for Java SDK?
- What Are the Differences Between PUT and POST Upload Methods?
- Does an Append Upload Support the Lock Mechanism for Concurrent Operations?
- Why Don't the Signatures Match?
-
OBS Basics
- Videos
- Glossary
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Service Overview
- Billing
-
OBS Console Operation Guide
- Console Function Overview
- Restrictions
- Getting Started
- Storage Classes Overview
- Managing Buckets
- Managing Objects
- Server-Side Encryption
- Object Metadata
-
Permission Control
- Overview
- Permission Control Mechanisms
- Bucket Policy Parameters
- Configuring IAM Policies
- Configuring a Bucket Policy
- Configuring an Object Policy
- Configuring a Bucket ACL
- Configuring an Object ACL
-
Application Cases
- Granting an IAM User with the Operation Permissions for a Specified Bucket
- Granting Other Accounts with the Operation Permissions for a Specified Bucket
- Restricting Bucket Access to a Specified Address
- Configuring the Start Time and End Time of Access to Objects in a Bucket
- Authorizing Access Permissions to Anonymous Users
- Authorizing Folder Access Permissions to Anonymous Users
- Versioning
- Logging
- Tags
- Event Notification
- Lifecycle Management
- User-Defined Domain Name Binding
- Static Website Hosting
- CORS
- URL Validation
- Monitoring
- Related Operations
-
Troubleshooting
- An Object Fails to Be Downloaded Using Internet Explorer 11
- OBS Console Cannot Be Opened in Internet Explorer 9
- The Object Name Changes After an Object with a Long Name Is Downloaded to a Local Computer
- Failed to Configure Event Notification
- Time Difference Is Longer Than 15 Minutes Between the Client and Server
- Error Code List
-
FAQs
-
OBS Basics
- How Can I Get Started Using OBS?
- What Are the Advantages of Object Storage over SAN and NAS Storage?
- Which Types of Data Can Be Stored in OBS?
- How Much Data Can I Store in OBS?
- Does OBS Support Traffic Monitoring?
- Can Folders in OBS Be Used the Same Way as in a File System?
- Where Is Data Stored in OBS?
- What Is the Relationship Between OBS Bucket Names and OBS Domain Names?
- Does OBS Support Access over HTTPS?
- Can Other Users Access My Data Stored in OBS?
- Does OBS Support Resumable Data Transfer?
- Does OBS Support Batch Upload?
- Does OBS Support Batch Download?
- Does OBS Support Batch Deletion of Objects?
- What Are Factors that Affect the Upload and Download Speed of OBS?
- Why Did Some of My Data Stored on OBS Get Lost?
- Can Deleted Data Be Recovered?
- Will There Be Data Left Over in OBS After I Delete an Object?
- Access Control
-
Buckets and Objects
- Why Am I Unable to Create a Bucket?
- Why Am I Unable to Upload an Object?
- Why Am I Unable to Download an Object?
- Why Can't I Delete a Bucket?
- What Is the Relationship Between Bucket Storage Classes and Object Storage Classes?
- Can I Modify the Region of a Bucket?
- How Do I Obtain the Access Path to an Object?
- Why Can't I Find Certain Objects in a Bucket When I Searched for Them?
-
Security
- How Is Data Security Ensured in OBS?
- Does OBS Scan My Data for Other Purposes?
- Can Background Engineers Export My Data from OBS?
- How Does OBS Prevent My Data from Being Stolen?
- Can a Pair of AK and SK Be Replaced When They Are Being Used to Access OBS?
- Can a Pair of AK and SK Be Used by Multiple Users to Access OBS?
- Which Encryption Technologies Are Supported by OBS?
- How Do I Use Fragment Management?
- How Do I Use Versioning?
- How Do I Use Tags?
- Event Notification
- How Do I Use Lifecycle Management?
- How Do I Use Static Website Hosting?
-
OBS Basics
- Change History
-
API Reference (ME-Abu Dhabi Region)
- Before You Start
- API Overview
- Calling APIs
- Getting Started
-
APIs
- Operations on Buckets
-
Advanced Bucket Settings
- Configuring a Bucket Policy
- Obtaining Bucket Policy Information
- Deleting a Bucket Policy
- Configuring a Bucket ACL
- Obtaining Bucket ACL Information
- Configuring Logging for a Bucket
- Obtaining a Bucket Logging Configuration
- Configuring Bucket Lifecycle Rules
- Obtaining Bucket Lifecycle Configuration
- Deleting Lifecycle Rules
- Configuring Versioning for a Bucket
- Obtaining Bucket Versioning Status
- Configuring Event Notification for a Bucket
- Obtaining the Event Notification Configuration of a Bucket
- Configuring Storage Class for a Bucket
- Obtaining Bucket Storage Class Information
- Configuring Tags for a Bucket
- Obtaining Bucket Tags
- Deleting Tags
- Configuring Bucket Storage Quota
- Querying Bucket Storage Quota
- Obtaining Storage Information of a Bucket
- Configuring a Custom Domain Name for a Bucket
- Obtaining the Custom Domain Name of a Bucket
- Deleting the Custom Domain Name of a Bucket
- Configuring Bucket Encryption
- Obtaining Bucket Encryption Configuration
- Deleting the Encryption Configuration of a Bucket
- Configuring a DIS-Enabled Notification Policy
- Obtaining a DIS-Enabled Notification Policy
- Deleting a DIS-Enabled Notification Policy
- Configuring a Default WORM Policy for a Bucket
- Obtaining the Default WORM Policy of a Bucket
-
Static Website Hosting
- Configuring Static Website Hosting for a Bucket
- Obtaining the Static Website Hosting Configuration of a Bucket
- Deleting the Static Website Hosting Configuration of a Bucket
- Configuring Bucket CORS
- Obtaining the CORS Configuration of a Bucket
- Deleting the CORS Configuration of a Bucket
- OPTIONS Bucket
- OPTIONS Object
-
Operations on Objects
- Uploading Objects - PUT
- Uploading Objects - POST
- Copying Objects
- Downloading an Object
- Querying Object Metadata
- Deleting an Object
- Deleting Objects
- Restoring Cold Objects
- Appending an Object
- Configuring an Object ACL
- Obtaining Object ACL Configuration
- Modifying Object Metadata
- Modifying an Object
- Truncating an Object
- Renaming an Object
- Configuring WORM Retention for an Object
- Operations on Multipart Upload
- Server-Side Encryption
- Error Codes
- IAM Policies and Supported Actions
- Appendixes
- Change History
-
Tool Guide (OBS Browser+) (ME-Abu Dhabi Region)
- Introduction
- OBS Browser+ Function Overview
- Downloading OBS Browser+
- Installing OBS Browser+
- Logging In to OBS Browser+
-
FAQs
- Where Can I Obtain Access Keys (AK and SK)?
- Can I Install Two OBS Browser+ Tools from Different Sites in One System?
- Why Does the Task Processing Speed Slow After the Number of Tasks Exceeds a Million?
- Why Are the Displayed Number of Objects and Used Storage Capacity Different from the Actual Number of Objects and Storage Capacity?
- How Can I Locate Common Network Errors?
- How Can I Permanently Share Files or Folders with Other Users?
- How Can I Access a Specific Bucket or Directory?
- Can I Cancel the Directory Sharing After a Directory Has Been Shared with Others?
- Can I Query the Number and Size of Files in a Folder on OBS Browser+?
- Uninstalling OBS Browser+
- Change History
- Tool Guide (obsfs) (ME-Abu Dhabi Region)
-
Tool Guide (obsutil) (ME-Abu Dhabi Region)
- obsutil Introduction
- Downloading and Installing obsutil
- Getting Started
- Bucket Commands
-
Object Commands
- Creating a Folder
- Uploading an Object
- Querying Object Properties
- Setting Object Properties
- Listing Objects
- Copying an Object
- Moving an Object
- Downloading an Object
- Generating the Download Link of an Object
- Deleting an Object
- Synchronously Uploading Incremental Objects
- Synchronously Copying Incremental Objects
- Synchronously Downloading Incremental Objects
- Restoring Objects from the Storage
- Resuming a Failed Upload Task
- Resuming a Failed Copy Task
- Resuming a Failed Download Task
- Listing Multipart Upload Tasks
- Deleting a Multipart Upload Task
- Auxiliary Commands
- Common Examples
- Fault Locating
-
Best Practices
- Using the obsutil help Command to Search for Functions
- Configuring Scheduled Tasks Using the Crontab Command
- Setting obsutil Commands as Built-in Commands
- Fine-Tuning obsutil Performance
- Using obsutil for Resumable Data Transfer
- Using obsutil to Upload a Symbolic Link
- Configuring an HTTP Proxy for obsutil
- Using obsutil to Replicate Data Across Regions on the Client Side
- Limiting the Upload and Download Rate for obsutil
-
FAQs
- After Some Files Are Deleted in My Local Directory, Can obsutil Synchronously Delete Them from the Bucket?
- Can I Use obsutil to Directly Save a Listing Result to a Local File?
- Why Is the Size of Objects Queried by obsutil Inconsistent with That on OBS Console?
- How Can I Find Out Why Some Tasks in a Batch Task Failed?
- How Can I Locate and Rectify I/O Timeout and EOF Errors?
- Why Is a Question Mark Displayed in the Batch Task Progress Bar?
- Can Multiple config Files Be Placed in One Directory?
- Can I Rename an Object or a Folder?
- Configuration Parameters
- Change History
- Parallel File System Feature Guide(ME-Abu Dhabi Region)
-
User Guide (Paris Region)
- Service Overview
-
OBS Console Operation Guide
- Console Function Overview
- Restrictions
- Getting Started
- Storage Classes Overview
- Managing Buckets
- Managing Objects
- Server-Side Encryption
- Object Metadata
-
Permissions Control
- Overview
- Permission Control Mechanisms
- Bucket Policy Parameters
- Configuring IAM Policies
- Configuring a Bucket Policy
- Configuring an Object Policy
- Configuring a Bucket ACL
- Configuring an Object ACL
-
Application Cases
- Granting an IAM User Permissions to Operate a Specific Bucket
- Granting Other Accounts Permissions to Operate a Specific Bucket
- Restricting Access to a Bucket for Specific Addresses
- Limiting the Time When Objects in a Bucket Are Accessible
- Granting Anonymous Users Permission to Access Objects
- Granting Anonymous Users Permission to Access Folders
- Versioning
- Logging
- Event Notifications
- Cross-Region Replication
- Lifecycle Management
- Configuring User-Defined Domain Names
- Static Website Hosting
- Cross-Origin Resource Sharing
- URL Validation
- Monitoring
- Related Operations
-
Troubleshooting
- An Object Fails to Be Downloaded Using Internet Explorer 11
- OBS Console Cannot Be Opened in Internet Explorer 9
- The Object Name Changes After an Object with a Long Name Is Downloaded to a Local Computer
- Failed to Configure Event Notifications
- Time Difference Is Longer Than 15 Minutes Between the Client and Server
- Error Code List
-
FAQ
-
OBS Basics
- How Can I Get Started with OBS?
- How Do I Obtain an OBS Endpoint?
- What Are the Advantages of Object Storage over SAN and NAS Storage?
- Which Types of Data Can Be Stored in OBS?
- How Much Data Can I Store in OBS?
- Does OBS Support Traffic Monitoring?
- Can Folders in OBS Be Used the Same Way as in a File System?
- Where Is Data Stored in OBS?
- Does OBS Support Access over HTTPS?
- Can Other Users Access My Data Stored in OBS?
- Does OBS Support Resumable Transfer?
- Does OBS Support Batch Upload?
- Does OBS Support Batch Download?
- Does OBS Support Batch Deletion of Objects?
- What Are the Factors That Affect Upload and Download Speed of OBS?
- Why Did Some of My Data Stored on OBS Get Lost?
- Can Deleted Data Be Recovered?
- Will There Be Data Left Over in OBS After I Delete an Object?
- Will My Bucket Performance Be Affected by Other Users' Services?
- Access Control
-
Buckets and Objects
- Why Am I Unable to Create a Bucket?
- Why Am I Unable to Upload an Object?
- Why Am I Unable to Download an Object?
- Why Can't I Delete a Bucket?
- What Is the Relationship Between Bucket Storage Classes and Object Storage Classes?
- Can I Modify the Region of a Bucket?
- How Do I Obtain the Access Path to an Object?
- Why Can't I Search for Certain Objects in My Bucket?
- What Should I Do If an Error Message Is Displayed When I Use Internet Explorer to Access an Object URL That Contains Chinese Characters?
- Tools
- APIs and SDKs
-
Security
- How Is Data Security Ensured in OBS?
- Does OBS Scan My Data for Other Purposes?
- Can Engineers Export My Data from the Background of OBS?
- How Does OBS Protect My Data from Being Stolen?
- Can a Pair of AK and SK Be Replaced When It Is Being Used to Access OBS?
- Can Multiple Users Share One Pair of AK and SK to Access OBS?
- How Do I Use Fragment Management?
- How Do I Use Versioning?
- Event Notification
- How Do I Use Lifecycle Management?
- How Do I Use Static Website Hosting?
- How Do I Use Cross-Region Replication?
- Server-Side Encryption
-
OBS Basics
- Change History
-
Tool Guide (OBS Browser+) (Paris Region)
- Introduction
- OBS Browser+ Function Overview
- Downloading OBS Browser+
- Installing OBS Browser+
- Logging In to OBS Browser+
-
FAQs
- Where Can I Obtain Access Keys (AK and SK)?
- Can I Install Two OBS Browser+ Tools from Different Sites in One System?
- What Are the Differences Between OBS Browser+ and OBS Browser?
- Does OBS Browser+ Support the Migration of Account and Task Information From OBS Browser?
- Why Does the Task Processing Speed Slow After the Number of Tasks Exceeds a Million?
- Why Are the Displayed Number of Objects and Used Storage Capacity Different from the Actual Number of Objects and Storage Capacity?
- How Can I Locate Common Network Errors?
- How Can I Permanently Share Files or Folders with Other Users?
- How Can I Access a Specific Bucket or Directory?
- Can I Cancel the Directory Sharing After a Directory Has Been Shared with Others?
- Can OBS Browser+ List Objects with Special Characters in Their Names?
- Uninstalling OBS Browser+
- Change History
- Tool Guide (obsfs) (Paris Region)
-
Tool Guide (obsutil) (Paris Region)
- obsutil Introduction
- Downloading and Installing obsutil
- Getting Started
- Bucket Commands
-
Object Commands
- Creating a Folder
- Uploading an Object
- Querying Object Properties
- Setting Object Properties
- Listing Objects
- Copying an Object
- Moving an Object
- Downloading an Object
- Generating the Download Link of an Object
- Deleting an Object
- Synchronously Uploading Incremental Objects
- Synchronously Copying Incremental Objects
- Synchronously Downloading Incremental Objects
- Restoring Objects from the Cold Storage
- Resuming a Failed Upload Task
- Resuming a Failed Copy Task
- Resuming a Failed Download Task
- Listing Multipart Upload Tasks
- Deleting a Multipart Upload Task
- Creating an Authorization Code for Directory Sharing
- Listing Objects by Using an Authorization Code
- Downloading Objects by Using an Authorization Code
- Auxiliary Commands
- Common Examples
- Fault Locating
-
Best Practices
- Using the obsutil help Command to Search for Functions
- Configuring Scheduled Tasks Using the Crontab Command
- Setting obsutil Commands as Built-in Commands
- Fine-Tuning obsutil Performance
- Using obsutil for Resumable Data Transfer
- Using obsutil to Upload a Symbolic Link
- Configuring an HTTP Proxy for obsutil
- Using obsutil to Share Directories
- Using obsutil to Replicate Data Across Regions on the Client Side
- Limiting the Upload and Download Rate for obsutil
-
FAQs
- After Some Files Are Deleted in My Local Directory, Can obsutil Synchronously Delete Them from the Bucket?
- Can I Use obsutil to Directly Save a Listing Result to a Local File?
- Why Is the Size of Objects Queried by obsutil Inconsistent with That on OBS Console?
- How Can I Find Out Why Some Tasks in a Batch Task Failed?
- How Can I Locate and Rectify I/O Timeout and EOF Errors?
- Why Is a Question Mark Displayed in the Batch Task Progress Bar?
- Can Multiple config Files Be Placed in One Directory?
- Can I Rename an Object or a Folder?
- Configuration Parameters
- Change History
- Parallel File System Feature Guide(Paris Region)
-
Image Processing (Paris Region)
- Introduction
- Start to Process (Using OBS Console)
- Start to Process (Using APIs)
- Typical Cases
- Obtaining Image Information
- Obtaining Average RGB Value of an Image
- Setting Image Effects
- Resizing Images
- Rotating Images
- Cropping Images
- Watermarking Images
- Converting Formats
- Changing Quality
- Slimming Images
- Image Persistency
- FAQ
- Change History
-
Permissions Configuration Guide (Paris Region)
- Introduction to OBS Access Control
- Permission Control Mechanisms
- Access Requests
- Typical Permission Control Scenarios
-
Configuration Cases in Typical Permission Control Scenarios
-
Granting Permissions to an IAM User Under the Current Account
- Granting an IAM User the Permissions Required to List and Create Buckets
- Granting an IAM User the Read/Write Permission for a Bucket
- Granting an IAM User the Specified Permissions for a Bucket
- Granting an IAM User the Read Permission for Specific Objects
- Granting an IAM User the Specified Permissions for Certain Objects
-
Granting Permissions to Multiple IAM Users or User Groups Under the Current Account
- Granting IAM User Groups All Permissions for All OBS Resources
- Granting IAM User Groups Basic Permissions for All OBS Resources
- Granting IAM User Groups the Specified Permissions for All OBS Resources
- Granting IAM User Groups the Specified Permissions for Certain OBS Resources
- Granting IAM User Groups the Specified Permissions for a Folder
-
Granting Permissions to Other Accounts
- Granting Other Accounts the Read/Write Permission for a Bucket
- Granting Other Accounts the Specified Permissions for a Bucket
- Granting IAM Users Under an Account the Access to a Bucket and the Resources in It
- Granting Other Accounts the Read Permission for Certain Objects
- Granting Other Accounts the Specified Permissions for Certain Objects
- Granting Permissions to Anonymous Users
- Granting Temporary Access to OBS
- Restricting Access to a Bucket for Specific IP Addresses
-
Granting Permissions to an IAM User Under the Current Account
- Appendix
- Change History
-
User Guide (Kuala Lumpur Region)
- Service Overview
-
OBS Console Operation Guide
- Console Function Overview
- Restrictions
- Getting Started
- Storage Classes Overview
- Managing Buckets
- Managing Objects
- Server-Side Encryption
- Object Metadata
- Bucket Inventories
-
Permissions Control
- Overview
- Permission Control Mechanisms
- Bucket Policy Parameters
- Configuring IAM Policies
- Configuring a Bucket Policy
- Configuring an Object Policy
- Configuring a Bucket ACL
- Configuring an Object ACL
-
Application Cases
- Granting an IAM User Permissions to Operate a Specific Bucket
- Granting Other Accounts Permissions to Operate a Specific Bucket
- Restricting Access to a Bucket for Specific Addresses
- Limiting the Time When Objects in a Bucket Are Accessible
- Granting Anonymous Users Permission to Access Objects
- Granting Anonymous Users Permission to Access Folders
- Versioning
- Logging
- Tags
- Event Notifications
- Lifecycle Management
- Configuring User-Defined Domain Names
- Static Website Hosting
- Cross-Origin Resource Sharing
- URL Validation
- Monitoring
- Related Operations
-
Troubleshooting
- An Object Fails to Be Downloaded Using Internet Explorer 11
- OBS Console Couldn't Be Opened in Internet Explorer 9
- The Object Name Changes After an Object with a Long Name Is Downloaded to a Local Computer
- Failed to Configure Event Notifications
- Time Difference Is Longer Than 15 Minutes Between the Client and Server
- Error Code List
-
FAQ
-
OBS Basics
- How Can I Get Started with OBS?
- How Do I Obtain an OBS Endpoint?
- What Are the Advantages of Object Storage over SAN and NAS Storage?
- Which Types of Data Can Be Stored in OBS?
- How Much Data Can I Store in OBS?
- Does OBS Support Traffic Monitoring?
- Can Folders in OBS Be Used the Same Way as in a File System?
- Where Is Data Stored in OBS?
- Does OBS Support Access over HTTPS?
- Can Other Users Access My Data Stored in OBS?
- Does OBS Support Resumable Transfer?
- Does OBS Support Batch Upload?
- Does OBS Support Batch Download?
- Does OBS Support Batch Deletion of Objects?
- What Are the Factors That Affect Upload and Download Speeds of OBS?
- Why Did Some of My Data Stored on OBS Get Lost?
- Can Deleted Data Be Recovered?
- Will There Be Data Left Over in OBS After I Delete an Object?
- Will My Bucket Performance Be Affected by Other Users' Services?
- Access Control
-
Buckets and Objects
- Why Am I Unable to Create a Bucket?
- Why Am I Unable to Upload an Object?
- Why Am I Unable to Download an Object?
- Why Can't I Delete a Bucket?
- What Is the Relationship Between Bucket Storage Classes and Object Storage Classes?
- Can I Modify the Region of a Bucket?
- How Do I Obtain the Access Path to an Object?
- Why Can't I Search for Certain Objects in My Bucket?
- What Do I Do If I Encounter an Error While Trying to Access an Object URL with Full-Width Characters Using Internet Explorer?
- Tools
- APIs and SDKs
-
Security
- How Is Data Security Ensured in OBS?
- Does OBS Scan My Data for Other Purposes?
- Can Engineers Export My Data from the Background of OBS?
- How Does OBS Protect My Data from Being Stolen?
- Can a Pair of AK and SK Be Replaced When It Is Being Used to Access OBS?
- Can Multiple Users Share One Pair of AK and SK to Access OBS?
- Fragment Management
- Versioning
- Tags
- Event Notifications
- How Do I Use Lifecycle Management?
- How Do I Use Static Website Hosting?
-
OBS Basics
- Change History
-
API Reference (Kuala Lumpur Region)
- Before You Start
- API Overview
- Calling APIs
- Getting Started
-
APIs
- Operations on Buckets
-
Advanced Bucket Settings
- Configuring a Bucket Policy
- Obtaining Bucket Policy Information
- Deleting a Bucket Policy
- Configuring a Bucket ACL
- Obtaining Bucket ACL Information
- Configuring Logging for a Bucket
- Obtaining a Bucket Logging Configuration
- Configuring Bucket Lifecycle Rules
- Obtaining Bucket Lifecycle Configuration
- Deleting Lifecycle Rules
- Configuring Versioning for a Bucket
- Obtaining Bucket Versioning Status
- Configuring Event Notification for a Bucket
- Obtaining the Event Notification Configuration of a Bucket
- Configuring Storage Class for a Bucket
- Obtaining Bucket Storage Class Information
- Configuring Tags for a Bucket
- Obtaining Bucket Tags
- Deleting Tags
- Configuring Bucket Storage Quota
- Querying Bucket Storage Quota
- Obtaining Storage Information of a Bucket
- Configuring a Custom Domain Name for a Bucket
- Obtaining the Custom Domain Name of a Bucket
- Deleting the Custom Domain Name of a Bucket
- Configuring Bucket Encryption
- Obtaining Bucket Encryption Configuration
- Deleting the Encryption Configuration of a Bucket
-
Static Website Hosting
- Configuring Static Website Hosting for a Bucket
- Obtaining the Static Website Hosting Configuration of a Bucket
- Deleting the Static Website Hosting Configuration of a Bucket
- Configuring Bucket CORS
- Obtaining the CORS Configuration of a Bucket
- Deleting the CORS Configuration of a Bucket
- OPTIONS Bucket
- OPTIONS Object
-
Operations on Objects
- Uploading an Object - PUT
- Uploading an Object - POST
- Copying an Object
- Downloading an Object
- Querying Object Metadata
- Deleting an Object
- Deleting Objects
- Restoring Cold Objects
- Appending an Object
- Configuring an Object ACL
- Obtaining Object ACL Configuration
- Modifying Object Metadata
- Modifying an Object
- Truncating an Object
- Renaming an Object
- Operations on Multipart Upload
- Server-Side Encryption
- Error Codes
- IAM Policies and Supported Actions
- Appendixes
- Change History
-
Tool Guide (OBS Browser+) (Kuala Lumpur Region)
- Introduction
- OBS Browser+ Function Overview
- Downloading OBS Browser+
- Installing OBS Browser+
- Logging In to OBS Browser+
-
FAQs
- Where Can I Obtain Access Keys (AK and SK)?
- Can I Install Two OBS Browser+ Tools from Different Sites in One System?
- Why Does the Task Processing Speed Slow After the Number of Tasks Exceeds a Million?
- Why Are the Displayed Number of Objects and Used Storage Capacity Different from the Actual Number of Objects and Storage Capacity?
- How Can I Locate Common Network Errors?
- How Can I Permanently Share Files or Folders with Other Users?
- How Can I Access a Specific Bucket or Directory?
- Can I Cancel the Directory Sharing After a Directory Has Been Shared with Others?
- Can I Query the Number and Size of Files in a Folder on OBS Browser+?
- Uninstalling OBS Browser+
- Change History
- Tool Guide (obsfs) (Kuala Lumpur Region)
- Parallel File System Feature Guide (Kuala Lumpur Region)
- Best Practices (Kuala Lumpur Region)
-
User Guide (Ankara Region)
- Service Overview
- Configuration Before Use
-
OBS Console Operation Guide
- Console Function Overview
- Restrictions
- Getting Started
- Managing Buckets
- Managing Objects
- Object Metadata
- Bucket Inventories
-
Permissions Control
- Overview
- Permission Control Mechanisms
- Bucket Policy Parameters
- Configuring IAM Policies
- Configuring a Bucket Policy
- Configuring an Object Policy
- Configuring a Bucket ACL
- Configuring an Object ACL
-
Application Cases
- Granting an IAM User Permissions to Operate a Specific Bucket
- Granting Other Accounts Permissions to Operate a Specific Bucket
- Restricting Access to a Bucket for Specific Addresses
- Limiting the Time When Objects in a Bucket Are Accessible
- Granting Anonymous Users Permission to Access Objects
- Granting Anonymous Users Permission to Access Folders
- Versioning
- Logging
- Event Notifications
- Cross-Region Replication
- Cross-Cluster Replication
- Lifecycle Management
- Configuring User-Defined Domain Names
- Static Website Hosting
- Cross-Origin Resource Sharing
- URL Validation
- Task Center
- Two-AZ DR
- Related Operations
-
Troubleshooting
- An Object Fails to Be Downloaded Using Internet Explorer 11
- OBS Console Couldn't Be Opened in Internet Explorer 9
- The Object Name Changes After an Object with a Long Name Is Downloaded to a Local Computer
- Failed to Configure Event Notifications
- Time Difference Is Longer Than 15 Minutes Between the Client and Server
- Error Code 500 Is Returned When a Bucket with the Name of the Bucket Failing to Be Created in AZ 2 Is Created in AZ 1
- Object Upload or Download Errors
- Error Code List
-
FAQ
-
OBS Basics
- How Can I Get Started with OBS?
- What Are the Advantages of Object Storage over SAN and NAS Storage?
- Which Types of Data Can Be Stored in OBS?
- How Much Data Can I Store in OBS?
- Can Folders in OBS Be Used the Same Way as in a File System?
- Where Is Data Stored in OBS?
- Does OBS Support Access over HTTPS?
- Can Other Users Access My Data Stored in OBS?
- Does OBS Support Resumable Transfer?
- Does OBS Support Batch Upload?
- Does OBS Support Batch Download?
- Does OBS Support Batch Deletion of Objects?
- What Are the Factors That Affect Upload and Download Speeds of OBS?
- Why Did Some of My Data Stored on OBS Get Lost?
- Can Deleted Data Be Recovered?
- Will There Be Data Left Over in OBS After I Delete an Object?
- Will My Bucket Performance Be Affected by Other Users' Services?
- Access Control
-
Buckets and Objects
- Why Am I Unable to Create a Bucket?
- Why Am I Unable to Upload an Object?
- Why Am I Unable to Download an Object?
- Why Can't I Delete a Bucket?
- Can I Rename an Object?
- Can I Modify the Region of a Bucket?
- How Do I Obtain the Access Path to an Object?
- Why Can't I Search for Certain Objects in My Bucket?
- Does OBS Support Storage Quota Management?
-
Security
- How Is Data Security Ensured in OBS?
- Does OBS Scan My Data for Other Purposes?
- Can Engineers Export My Data from the Background of OBS?
- How Does OBS Protect My Data from Being Stolen?
- Can a Pair of AK and SK Be Replaced When It Is Being Used to Access OBS?
- Can Multiple Users Share One Pair of AK and SK to Access OBS?
- Durability and Availability
- Fragment Management
- Versioning
- Event Notifications
- How Do I Use Lifecycle Management?
- How Do I Use Static Website Hosting?
- How Do I Use Cross-Region Replication?
-
OBS Basics
- Change History
-
API Reference (Ankara Region)
- Before You Start
- API Overview
- Calling APIs
- Getting Started
-
APIs
- Operations on Buckets
-
Advanced Bucket Settings
- Configuring a Bucket Policy
- Obtaining Bucket Policy Information
- Deleting a Bucket Policy
- Configuring a Bucket ACL
- Obtaining Bucket ACL Information
- Configuring Logging for a Bucket
- Obtaining a Bucket Logging Configuration
- Configuring Bucket Lifecycle Rules
- Obtaining Bucket Lifecycle Configuration
- Deleting Lifecycle Rules
- Configuring Versioning for a Bucket
- Obtaining Bucket Versioning Status
- Configuring Event Notification for a Bucket
- Obtaining the Event Notification Configuration of a Bucket
- Configuring Cross-Region Replication for a Bucket
- Obtaining the Cross-Region Replication Configuration of a Bucket
- Deleting the Cross-Region Replication Configuration of a Bucket
- Configuring Tags for a Bucket
- Obtaining Bucket Tags
- Deleting Tags
- Configuring Bucket Storage Quota
- Querying Bucket Storage Quota
- Obtaining Storage Information of a Bucket
- Configuring Bucket Inventories
- Obtaining a Specific Inventory of a Bucket
- Listing All Inventories of a Bucket
- Deleting Bucket Inventories
- Configuring a Custom Domain Name for a Bucket
- Obtaining the Custom Domain Name of a Bucket
- Deleting the Custom Domain Name of a Bucket
- Configuring Cross-Cluster Replication for a Bucket
- Obtaining the Cross-Cluster Replication Configuration of a Bucket
- Deleting the Cross-Cluster Replication Configuration of a Bucket
-
Static Website Hosting
- Configuring Static Website Hosting for a Bucket
- Obtaining the Static Website Hosting Configuration of a Bucket
- Deleting the Static Website Hosting Configuration of a Bucket
- Configuring Bucket CORS
- Obtaining the CORS Configuration of a Bucket
- Deleting the CORS Configuration of a Bucket
- OPTIONS Bucket
- OPTIONS Object
-
Operations on Objects
- Uploading an Object - PUT
- Uploading an Object - POST
- Copying an Object
- Downloading an Object
- Querying Object Metadata
- Deleting an Object
- Deleting Objects
- Appending an Object
- Configuring an Object ACL
- Obtaining Object ACL Configuration
- Modifying Object Metadata
- Modifying an Object
- Truncating an Object
- Renaming an Object
- Operations on Multipart Upload
- Error Codes
- IAM Policies and Supported Actions
- Appendixes
- Change History
- Parallel File System Feature Guide(Ankara Region)
-
Tool Guide (OBS Browser+) (Ankara Region)
- Introduction
- OBS Browser+ Function Overview
- Downloading OBS Browser+
- Installing OBS Browser+
- Logging In to OBS Browser+
-
FAQs
- Where Can I Obtain Access Keys (AK and SK)?
- Can I Install Two OBS Browser+ Tools from Different Sites in One System?
- Why Does the Task Processing Speed Slow After the Number of Tasks Exceeds a Million?
- Why Are the Displayed Number of Objects and Used Storage Capacity Different from the Actual Number of Objects and Storage Capacity?
- How Can I Access a Specific Bucket or Directory?
- Can OBS Browser+ List Objects with Special Characters in Their Names?
- Uninstalling OBS Browser+
- Change History
-
Tool Guide (obsutil) (Ankara Region)
- obsutil Introduction
- Downloading and Installing obsutil
- Getting Started
- Bucket Commands
-
Object Commands
- Creating a Folder
- Uploading an Object
- Querying Object Properties
- Setting Object Properties
- Listing Objects
- Copying an Object
- Moving an Object
- Downloading an Object
- Generating the Download Link of an Object
- Deleting an Object
- Synchronously Uploading Incremental Objects
- Synchronously Copying Incremental Objects
- Synchronously Downloading Incremental Objects
- Resuming a Failed Upload Task
- Resuming a Failed Copy Task
- Resuming a Failed Download Task
- Listing Multipart Upload Tasks
- Deleting a Multipart Upload Task
- Auxiliary Commands
- Common Examples
- Fault Locating
-
Best Practices
- Using the obsutil help Command to Search for Functions
- Configuring Scheduled Tasks Using the Crontab Command
- Setting obsutil Commands as Built-in Commands
- Fine-Tuning obsutil Performance
- Using obsutil for Resumable Data Transfer
- Using obsutil to Upload a Symbolic Link
- Configuring an HTTP Proxy for obsutil
- Using obsutil to Replicate Data Across Regions on the Client Side
- Limiting the Upload and Download Rate for obsutil
-
FAQs
- After Some Files Are Deleted in My Local Directory, Can obsutil Synchronously Delete Them from the Bucket?
- Can I Use obsutil to Directly Save a Listing Result to a Local File?
- Why Is the Size of Objects Queried by obsutil Inconsistent with That on OBS Console?
- How Can I Find Out Why Some Tasks in a Batch Task Failed?
- How Can I Locate and Rectify I/O Timeout and EOF Errors?
- Why Is a Question Mark Displayed in the Batch Task Progress Bar?
- Can Multiple config Files Be Placed in One Directory?
- Configuration Parameters
- Change History
-
Operation Guide (Leaving soon. Moving to User Guide.)
- Before You Start
- Storage Classes
- Bucket Management
- Object Management
- Permissions Control
- Data Management
- Data Access
- Data Security
- Data Processing
- Monitoring and Logging
- Parallel File System
-
Image Processing (Leaving soon. Moving to User Guide.)
- Introduction
- Using Image Processing on OBS Console
- Using Image Processing with APIs
- Typical Cases
- Getting Information About an Image
- Getting the Average RGB Value of an Image
- Setting Image Effects
- Resizing Images
- Rotating Images
- Cropping Images
- Watermarking Images
- Converting Image Formats
- Changing Image Quality
- Slimming Images
- Image Processing Persistency
-
FAQ
- What Is Image Processing?
- How Do I Access Image Processing?
- How Is Image Processing Billed?
- How Many Image Styles Can I Create in a Bucket?
- What Formats Does Image Processing Support?
- How Do I Access Image Processing with a URL?
- Where Are Processed Images Stored After CDN Acceleration Is Enabled?
- Why Was My Bucket Accessed by IP Addresses Starting with 100 After I Performed Image Processing in My Logging-enabled Bucket?
- Parallel File System (Leaving soon. Moving to User Guide.)
-
User Guide (ME-Abu Dhabi Region)
- General Reference
Copied.
Cross-Region Replication
To replicate objects from a source bucket to a destination bucket in a different region, you can configure a single cross-region replication rule that is applied to all objects in the bucket, or you can configure multiple rules that are applied to a set of objects based on the prefix.
A cross-region replication rule may not take effect immediately upon its configuration. Accordingly, the objects that this rule is applied to may not be replicated immediately after the rule is configured.
Buckets with WORM enabled do not support cross-region replication.
Scenarios
Cross-region replication provides disaster recovery across regions, catering to your needs for remote backup.
Cross-region replication refers to the process of automatically and asynchronously replicating data from a source bucket in one region to a destination bucket in another region based on the created replication rule. Source and destination buckets must belong to the same account. Replication across accounts is currently not supported.
You can configure a rule to replicate only objects with a specified prefix or replicate all objects in a bucket. Objects replicated to the destination bucket are precise copies of objects in the source bucket. These objects have the same name and metadata, including content, size, last modification time, creator, version ID, user-defined metadata, and ACL. By default, the storage class of an object replica is the same as that of the source object. You can also specify a storage class for the object copy.
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- Regulatory compliance
OBS stores data across AZs that are far apart from each other, but regulatory compliance may require farther distances. Cross-region replication enables you to meet regulatory requirements.
- Low latency
The same OBS resources may need to be accessed from different locations. To minimize the access latency, you can use cross-region replication to create object copies in the nearest region.
- Data replication
Cross-region replication allows you to easily migrate your data stored in OBS from one region to another.
- Data backup and disaster recovery
To ensure data security and availability, you need to create explicit backups for all data written to OBS in the data center of another region, so that secure backups are available if the source data is damaged irrevocably.
- Ease of maintenance
You have a compute cluster across regions that analyzes the same collection of objects. You need to maintain object replicas in these regions.
NOTICE:
OBS helps you replicate your service data stored in OBS to a specified region, but Huawei Cloud has no access to your data. You need to ensure the legal compliance of your use of OBS on your own. If your replication involves cross-border transfer, ensure that your use complies with relevant laws and regulations.
Contents Replicated
After the cross-region replication rule is enabled, objects that meet the following conditions are copied to the destination bucket:
- Newly uploaded objects (excluding objects in the Deep Archive or Archive storage class)
- Updated objects, for example, objects whose content or ACL information is updated
- Historical objects in a bucket with Synchronize Existing Objects enabled (excluding objects in the Archive or Deep Archive storage class)
For example, on July 28, you enabled cross-region replication for a source bucket and uploaded objects A and B to the bucket. Objects A and B were synchronously replicated to the destination bucket. On July 29, you uploaded object C to the source bucket. This time, only object C was replicated to the destination bucket. On July 30, you modified object A in the source bucket. Then, only object A was replicated to the destination bucket.
Cross-region replication does not replicate objects encrypted using SSE-C.
Constraints
Bucket version:
- Currently, only buckets of version 3.0 and later support cross-region replication. The version of a bucket can be viewed in the Basic Information area of the bucket's Overview page on OBS Console.
Status of the source bucket and destination bucket:
- The source and destination buckets must have the same versioning status.
Functions:
- If objects in the source bucket are in the Archive, or Deep Archive storage class, they cannot be replicated to the destination bucket.
- If the region where the destination bucket resides does not support a certain storage class, object replicas will be stored in the standard storage class.
- OBS currently only supports the replication between one source bucket and one destination bucket. Replication from one source bucket to multiple destination buckets is not supported. The destination bucket can be modified. However, modifying the destination bucket will change the destination bucket of all existing rules.
- If cross-region replication is enabled, data cannot be added to the end of objects in the source bucket.
- For a source bucket, you can create only one cross-region replication rule that applies to all objects in the bucket, or you can create a maximum of 100 cross-region replication rules based on object prefixes to replicate only some of the objects.
Time:
- A cross-region replication rule may not take effect immediately upon its configuration. Accordingly, the objects that this rule is applied to may not be replicated immediately after the rule is configured.
Area:
- The source and destination buckets must be in two different regions. Data cannot be replicated between buckets in the same region.
- Before replicating data, ensure that the source and destination regions can have their data replicated from each other. Figure 2 lists the supported regions. "√" indicates that data can be replicated between regions. "x" indicates that data cannot be replicated between regions.
Synchronization of historical objects:
- By default, objects uploaded before cross-region replication is enabled are not replicated to the destination bucket unless the function for synchronizing existing objects is enabled.
- If the function for synchronizing existing objects is enabled, modifying the cross-region replication configuration may cause synchronization failures. Therefore, do not modify the cross-region replication configuration before the synchronization completes.
Versioning:
- If versioning is enabled or suspended for both the source and destination buckets and cross-region replication is also enabled for both buckets, deleting an object without specifying its version in the source bucket will also delete the object in the destination bucket.
- For an enabled cross-region replication rule, if you change the versioning status of the destination bucket, the replication of objects will fail. If you want to change the versioning status of the source bucket, delete the replication configuration first, and then make the change.
Access control:
- The owners of the source and destination buckets must have the read and write permissions to their respective bucket. Otherwise, data cannot be synchronized. If the system does not have the permissions to read the source bucket or write to the destination bucket due to read or write permission errors, objects cannot be replicated successfully, and such replication will not be resumed even if the permission error is rectified.
- Do not delete or overwrite object replicas in the destination bucket, or modify their ACLs, which may cause inconsistency of latest object versions or permission control settings between the destination bucket and the source bucket.
- After a replication with Synchronize Existing Objects enabled is complete, if the replication policy keeps unchanged, any ACL changes of source objects will be synchronized to object copies. However, ACL changes of source historical objects will not be synchronized to the copies of historical objects.
Others:
- Objects in a source bucket can be replicated to only one destination bucket, and cannot be replicated again from the destination bucket to another bucket. For example, bucket A and bucket B are in two different regions. You can replicate data from bucket A to bucket B or the other way round. However, data replicas in either bucket A or bucket B cannot be replicated anymore.
- If you delete the OBS agency for an enabled cross-region replication rule, the object replication will be in the FAILED status.
Prerequisites
The source bucket version is 3.0 or later, and cross-region replication is available in the region of the source bucket. For details about the support for cross-region replication in each region, search for "cross-region replication" on the Function Overview page.
Ways to Configure Cross-Region Replication
You can use OBS Console, APIs, or obsutil to configure cross-region replication.
Using OBS Console
- In the navigation pane of OBS Console, choose Object Storage.
- In the bucket list, click the bucket you want to operate. The Objects page is displayed.
- In the navigation pane, click Cross-Region Replication.
- Click Create Rule. The Create Cross-Region Replication Rule dialog box is displayed. See Figure 3.
NOTE:
- The versioning status of the source and destination buckets must keep the same.
- A bucket can have only one destination bucket and one IAM agency configured for cross-region replication. The destination bucket and IAM agency specified in a later replication rule will overwrite those in the previous replication rule of the bucket.
- Configure a cross-region replication rule according to your service needs. For details about the parameters, see Table 1.
Table 1 Cross-region replication parameters Parameter
Description
Status
Indicates whether the rule is enabled or disabled after being created. The versioning status of the source and destination buckets must keep the same.
Source Bucket
Replicate
Indicates the objects the rule will apply to.
- All objects: The rule applies to all objects in the bucket.
- Match by prefix: The rule applies only to objects with the specified prefix.
Prefix
- To apply the rule to objects with the specified prefix, you must set Prefix to a value no longer than 1,024 characters.
- If the specified prefix overlaps with the prefix of an existing rule, OBS regards these two rules as one and forbids you to configure the one you are configuring. For example, if there is already a rule with prefix abc in OBS, you cannot configure another rule whose prefix starts with abc.
- To copy a folder, end the prefix with a slash (/), for example, imgs/.
Synchronize Existing Objects
Indicates whether to synchronize the objects that were already in the bucket before the rule configuration to the destination bucket. By default, these objects are not synchronized.
Replicate KMS encrypted objects
OBS will try to copy KMS encrypted objects no matter whether this option is selected or not.
- If this option is selected, only the IAM agencies that have the KMS Administrator permission for both source and destination ends are displayed in the drop-down list of IAM Agency in the Create Cross-Region Replication Rule dialog box.
- If this option is not selected, only the IAM agencies that do not have the KMS Administrator permission for either the source or destination end are displayed in the drop-down list of IAM Agency in the Create Cross-Region Replication Rule dialog box.
If KMS is not available in the destination region or the agency does not have the KMS Administrator permission in the source and destination regions, KMS encrypted objects will fail to be replicated to the destination bucket, and the object replication status will be failed.
After a KMS-encrypted object is replicated to the destination bucket, the key for encrypting the object copy changes to the default key obs/default of the destination region.
Destination Bucket
Region
Indicates the region of the destination bucket. The destination and source buckets must be in different regions.
Bucket
Indicates the destination bucket.
Change storage class for replicated objects
By default, this option is not selected, indicating that the storage class of object copies is the same as that of the source objects. If you need to change the storage class of objects copies, select this parameter, then you can specify a storage class.
Permissions
IAM Agency
Delegates OBS to operate your resources, so that OBS can use this agency to implement cross-region replication.
If there is no IAM agency available, click View IAM agencies to create one. If you have already created IAM agencies, select one from the drop-down list.
NOTE:
The IAM agency selected here must be of OBS. The OBS project must have the Tenant Administrator permission. If Replicate KMS encrypted objects is selected, you also need the KMS Administrator permission in the regions where the source and destination buckets are located.
- (Optional) Create an IAM Agency. For details, see Creating an Agency for Cross-Region Replication.
- Click OK. The cross-region replication rule is created.
Using the API
Using obsutil
Command Line Structure
- In Windows
- Copying a single object
obsutil cp obs://srcbucket/key obs://dstbucket/[dest] [-dryRun][-u] [-crr] [-vlength] [-vmd5] [-p=1] [-threshold=52428800] [-versionId=xxx] [-acl=xxx] [-sc=xxx] [-meta=aaa:bbb#ccc:ddd] [-ps=auto] [-cpd=xxx] [-fr] [-o=xxx] [-config=xxx] [-e=xxx] [-i=xxx] [-k=xxx] [-t=xxx]
- Copying objects in batches
obsutil cp obs://srcbucket[/key] obs://dstbucket[/dest] -r [-dryRun][-f] [-flat] [-u] [-crr] [-vlength] [-vmd5] [-j=1] [-p=1] [-threshold=52428800] [-acl=xxx] [-sc=xxx] [-meta=aaa:bbb#ccc:ddd] [-ps=auto] [-include=*.xxx] [-exclude=*.xxx] [-timeRange=time1-time2] [-mf] [-o=xxx] [-cpd=xxx] [-config=xxx] [-e=xxx] [-i=xxx] [-k=xxx] [-t=xxx]
- Copying a single object
- In Linux or macOS
- Copying a single object
./obsutil cp obs://srcbucket/key obs://dstbucket/[dest] [-dryRun] [-u] [-crr] [-vlength] [-vmd5] [-p=1] [-threshold=52428800] [-versionId=xxx] [-acl=xxx] [-sc=xxx] [-meta=aaa:bbb#ccc:ddd] [-ps=auto] [-cpd=xxx] [-fr] [-o=xxx] [-config=xxx] [-e=xxx] [-i=xxx] [-k=xxx] [-t=xxx]
- Copying objects in batches
./obsutil cp obs://srcbucket[/key] obs://dstbucket[/dest] -r [-dryRun] [-f] [-flat] [-u] [-crr] [-vlength] [-vmd5] [-j=1] [-p=1] [-threshold=52428800] [-acl=xxx] [-sc=xxx] [-meta=aaa:bbb#ccc:ddd] [-ps=auto] [-include=*.xxx] [-exclude=*.xxx] [-timeRange=time1-time2] [-mf] [-o=xxx] [-cpd=xxx] [-config=xxx] [-e=xxx] [-i=xxx] [-k=xxx] [-t=xxx]
- Copying a single object
- The source path and destination path cannot be the same.
- The source path and destination path cannot be partly overlapped either. If the source path overlaps with the prefix of the destination path, recursive replication applies. If the destination path overlaps with the prefix of the source path, the replication may overwrite objects in the source path.
Examples
- Take the Windows OS as an example. Run the obsutil cp obs://bucket-test/key obs://bucket-test2 command to copy a single object.
obsutil cp obs://bucket-test/key obs://bucket-test2 Start at 2024-09-30 08:30:09.0815415 +0000 UTC Parallel: 3 Jobs: 3 Threshold: 50.00MB PartSize: auto CheckpointDir: xxxx [=====================================================] 100.00% 6/s 0s Waiting for the copied key to be completed on server side. Copy successfully, 19B, obs://bucket-test/key --> obs://bucket-test2/key ext.txt, cost [1708], status [200], request id [00000192420D227E4017336A12F1DC22]
- Take the Windows OS as an example. Run the obsutil cp obs://bucket-test/temp/ obs://bucket-test2 -f -r command to copy objects in batches.
obsutil cp obs://bucket-test/temp/ obs://bucket-test2 -r -f Start at 2024-09-30 08:34:02.7819703 +0000 UTC Parallel: 5 Jobs: 5 Threshold: 50.00MB PartSize: auto CheckpointDir: xxxx Task id: 0476929d-9d23-4dc5-b2f8-0a0493f027c5 OutputDir: xxxx [=============================================================] 100.00% 10/s 0s Succeed count: 5 Failed count: 0 Metrics [max cost:298 ms, min cost:192 ms, average cost:238.00 ms, average tps:9.71, transfered size: 7.20MB] Task id: 0476929d-9d23-4dc5-b2f8-0a0493f027c5
- For more examples, see Copy.
Parameter Description
Parameter |
Optional or Mandatory |
Description |
---|---|---|
srcbucket |
Mandatory |
Source bucket name |
dstbucket |
Mandatory |
Destination bucket name |
dest |
Optional |
Indicates the destination object name when copying an object, or the name prefix of destination objects when copying objects in batches. |
key |
Mandatory for copying an object. Optional for copying objects in batches. |
Indicates the source object name when copying an object, or the name prefix of source objects when copying objects in batches. The rules are as follows:
|
fr |
Optional for copying an object (additional parameter) |
Generates an operation result list when copying an object. |
flat |
Optional for copying objects in batches (additional parameter) |
The name prefix of the parent object is excluded when copying objects in batches. |
dryRun |
Optional (additional parameter) |
Conducts a dry run. |
crr |
Optional (additional parameter) |
Enables the client-side cross-region replication function. In this mode, data is directly copied to the destination bucket from the source bucket through data stream. The buckets can by any two OBS buckets.
NOTICE:
When cross-region replication is enabled, the upload/download bandwidth, CPU, and memory resources of the host where commands are executed will be occupied, which may deteriorate the host performance. |
vlength |
Optional (additional parameter) |
Verifies whether the object size in the destination bucket is the same as that in the source bucket after the copy task completes. This parameter must be used together with crr. |
vmd5 |
Optional (additional parameter) |
Verifies whether the MD5 value of the destination bucket is the same as that of the source bucket after the copy task completes.
CAUTION:
If your object needs encryption, do not use this parameter. |
u |
Optional (additional parameter) |
Indicates incremental copy. If this parameter is set, each object can be copied only when it does not exist in the destination bucket, its size is different from the namesake one in the destination bucket, or it has the latest modification time. |
p |
Optional (additional parameter) |
Indicates the maximum number of concurrent multipart copy tasks when copying an object. The default value is the value of defaultParallels in the configuration file. |
threshold |
Optional (additional parameter) |
Indicates the threshold for enabling multipart copy, in bytes. The default value is the value of defaultBigfileThreshold in the configuration file.
|
versionId |
Optional for copying an object (additional parameter) |
Source object version ID that can be specified when copying an object |
acl |
Optional (additional parameter) |
Access control policies for destination objects that can be specified when copying objects. Possible values are:
The preceding four values indicate private read and write, public read, public read and write, and bucket owner full control. |
sc |
Optional (additional parameter) |
Storage classes of the destination objects that can be specified when copying objects. Possible values are:
|
meta |
Optional (additional parameter) |
Standard or custom metadata that can be specified for destination objects in object replication. This parameter should be configured in the following format: key1:value1#key2:value2#key3:value3.
|
fs |
Optional (additional parameter) |
Specifies whether the method of listing parallel file systems is applied. If you are listing parallel file systems, you are recommended to add this parameter.
CAUTION:
|
ps |
Optional (additional parameter) |
Indicates the size of each part in a multipart copy task, in bytes. The value ranges from 100KB to 5GB. The default value is the value of defaultPartSize in the configuration file.
|
cpd |
Optional (additional parameter) |
Indicates the folder where the part records reside. The default value is .obsutil_checkpoint, the subfolder in the home directory of the user who executes obsutil commands. A part record is generated during a multipart copy and saved to the copy subfolder. After the copy succeeds, its part record is deleted automatically. If the copy fails or is suspended, the system attempts to resume the task according to its part record when you perform the copy the next time. |
r |
Mandatory for copying objects in batches (additional parameter) |
Copies objects in batches based on a specified name prefix of objects in the source bucket. |
f |
Optional for copying objects in batches (additional parameter) |
Runs in force mode. |
j |
Optional for copying objects in batches (additional parameter) |
Indicates the maximum number of concurrent tasks for copying objects in batches. The default value is the value of defaultJobs in the configuration file. The value is ensured to be greater than or equal to 1. |
exclude |
Optional for copying objects in batches (additional parameter) |
Indicates the matching patterns of source objects that are excluded, for example: *.txt.
NOTICE:
|
include |
Optional for copying objects in batches (additional parameter) |
Indicates the matching patterns of source objects that are included, for example: *.jpg.
NOTICE:
|
timeRange |
Optional for copying objects in batches (additional parameter) |
Indicates the time range matching pattern when copying objects. Only objects whose latest modification time is within the configured time range are copied. This pattern has a lower priority than the object matching patterns (exclude/include). That is, the time range matching pattern is executed after the configured object matching patterns.
NOTICE:
|
mf |
Optional (additional parameter) |
Indicates that the name matching pattern (include or exclude) and the time matching pattern (timeRange) also take effect on objects whose names end with a slash (/). |
o |
Optional (additional parameter) |
Indicates the folder where operation result lists reside. After the command is executed, result lists (possibly including success, failure, and warning files) are generated in the folder. The default value is .obsutil_output, the subfolder in the home directory of the user who executes obsutil commands.
|
config |
Optional (additional parameter) |
User-defined configuration file for executing the current command. To learn the parameters that can be configured in this file, see Configuration Parameters. |
e |
Optional (additional parameter) |
Specifies the endpoint. |
i |
Optional (additional parameter) |
Specifies the user's AK. |
k |
Optional (additional parameter) |
Specifies the user's SK. |
t |
Optional (additional parameter) |
Specifies the user's security token. |
Response
Field |
Description |
---|---|
Parallel |
Parameter -p in the request |
Jobs |
Parameter -j in the request |
Threshold |
Parameter -threshold in the request |
PartSize |
Parameter -ps in the request |
Exclude |
Parameter -exclude in the request |
Include |
Parameter -include in the request |
TimeRange |
Parameter -timeRange in the request |
VerifyLength |
Parameter -vlength in the request |
VerifyMd5 |
Parameter -vmd5 in the request |
CheckpointDir |
Parameter -cpd in the request |
OutputDir |
Parameter -o in the request |
ArcDir |
Parameter -arcDir in the request |
Succeed count |
Number of successful tasks |
Failed count |
Number of failed tasks |
Skip count |
Number of tasks that are skipped during incremental upload, download, or copy, and synchronous upload, download, or copy. Skipped tasks are recorded into successful tasks. |
Warning count |
Number of tasks that are executed successfully but contain warnings.
|
Succeed bytes |
Number of bytes that are successfully uploaded or downloaded. |
max cost |
Maximum duration of all tasks, in ms |
min cost |
Minimum duration of all tasks, in ms |
average cost |
Average duration of all tasks, in ms |
average tps |
The average number of tasks completed per second |
Task id |
Unique ID of an operation, which is used to search for the result list generated in a batch task |
Related Operations
Creating an Agency for Cross-Region Replication
- In the Create Cross-Region Replication Rule dialog box on OBS Console, click View IAM agencies to jump to the Agencies page on the IAM console.
- Click Create Agency.
- Enter an agency name.
- Select Cloud service for the Agency Type.
- Select Object Storage Service (OBS) for Cloud Service.
- Set a validity period.
- Click Next.
NOTE:
The console for creating an agency has the new and old editions. The following steps use the new edition.
- On the Select Policy/Role page, search for and select OBS Administrator and click Next.
- On the Select Scope page, select Global services for Scope and click OK.
- (Optional) If Replicate KMS encrypted objects is selected, the IAM agency also needs the KMS Administrator permission in the regions where the source and destination buckets are located.
- Go to the Agencies page of the IAM console and click the name of the agency created in the previous step.
- Choose the Permissions tab and click Authorize.
- On the Select Policy/Role page, search for and select KMS Administrator. Then, click Next.
- On the Select Scope page, select Region-specific projects for Scope. Then, select the projects in the regions where the source and destination buckets are located. Click OK.
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