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- What's New
- Function Overview
- Service Overview
- Getting Started
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User Guide
- Managing Public Images
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Creating a Private Image
- Introduction
- Creating a System Disk Image from a Windows ECS
- Creating a System Disk Image from a Linux ECS
- Creating a Windows System Disk Image from an External Image File
- Creating a Linux System Disk Image from an External Image File
- Creating a BMS System Disk Image
- Creating a Data Disk Image from an ECS
- Creating a Data Disk Image from an External Image File
- Creating a Full-ECS Image from an ECS
- Creating a Full-ECS Image from a CSBS Backup
- Creating a Full-ECS Image from a CBR Backup
- Creating a Windows System Disk Image from an ISO File
- Creating a Linux System Disk Image from an ISO File
- Importing an Image
- Fast Import of an Image File
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Managing Private Images
- Modifying an Image
- Exporting Image List
- Checking the Disk Capacity of an Image
- Creating an ECS from an Image
- Deleting Images
- Sharing Images
- Exporting an Image
- Optimizing a Windows Private Image
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Optimizing a Linux Private Image
- Optimization Process
- Checking Whether a Private Image Needs to be Optimized
- Uninstalling PV Drivers from a Linux ECS
- Changing the Disk Identifier in the GRUB Configuration File to UUID
- Changing the Disk Identifier in the fstab File to UUID
- Installing Native Xen and KVM Drivers
- Installing Native KVM Drivers
- Clearing System Logs
- Encrypting Images
- Replicating Images Within a Region
- Replicating Images Across Regions
- Tagging an Image
- Auditing Key Operations
- Windows Operations
- Linux Operations
- Permissions Management
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Best Practices
- Overview
- Creating a Linux Image Using VirtualBox and an ISO File
- Cleaning Up the Disk Space of a Windows ECS
- Converting the Image Format
- Creating a Private Image Using Packer
- Configuring an ISO File as a Local Image Source
- Migrating Service Data Across Accounts (Data Disks)
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API Reference
- Before You Start
- API Overview
- Calling APIs
- Getting Started
- IMS APIs
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Native OpenStack APIs
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Image (Native OpenStack APIs)
- Querying Images (Native OpenStack API)
- Querying Image Details (Native OpenStack API)
- Updating Image Information (Native OpenStack API)
- Uploading an Image (Native OpenStack API)
- Deleting an Image (Native OpenStack API)
- Creating Image Metadata (Native OpenStack API)
- Deleting an Image (Native OpenStack API v1.1 - Abandoned and Not Recommended)
- Querying Image Metadata (Native OpenStack API v1 - Abandoned and Not Recommended)
- Querying Image Details (Native OpenStack API v1.1 - Abandoned and Not Recommended)
- Image Tagging (Native OpenStack APIs)
- Image Schema (Native OpenStack APIs)
- Image Sharing (Native OpenStack APIs)
- API Version Query (Native OpenStack API)
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Image (Native OpenStack APIs)
- Examples
- Permission Policies and Supported Actions
- Common Parameters
- Status Codes
- Error Codes
- SDK Reference
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FAQs
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Image Consulting
- Basic Concepts
- How Do I Select an Image?
- Are There Any Public Images Already Containing Certain Applications, Such as OpenVPN or PyTorch?
- How Do I Increase the Image Quota?
- What Are the Differences Between Images and Backups?
- Can I Tailor an Image?
- How Can I Back Up the Current Status of an ECS for Restoration in the Case of a System Fault?
- How Can I Apply a Private Image to an Existing ECS?
- Can I Import Data from a Data Disk Image to a Data Disk?
- Can I Use Private Images of Other Accounts?
- End-of-Support for OSs
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Image Creation
- General Creation FAQs
- Full-ECS Image FAQs
- How Can I Use a Backup to Create an EVS Disk or ECS?
- Is There Any Difference Between the Image Created from a CSBS/CBR Backup and That Created from an ECS?
- Why Can't I Find an ISO Image When I Want to Use It to Create an ECS or Change the OS of an ECS?
- How Do I Create a Full-ECS Image Using an ECS That Has a Spanned Volume?
- Why Is Sysprep Required for Creating a Private Image from a Windows ECS?
- How Do I Handle the Startup Failure of a Windows ECS Created from a Windows Image Generalized by Sysprep?
- What Do I Do If I Cannot Create an Image in ZVHD2 Format Using an API?
- Image Sharing
- OS
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Image Import
- Can I Use Images in Formats not Described in This Document?
- What Are the Impacts If I Do Not Pre-configure an ECS Used to Create a Private Image?
- How Do I Import an OVF or OVA File to the Cloud Platform?
- What Do I Do If I Chose the Wrong OS or System Disk Capacity When Registering a Private Image?
- Why Did My VHD Upload Fail? Why Does the System Say the System Disk in the VHD Image File Is Larger Than What I Specified on the Management Console?
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Image Export
- Can I Download My Private Images to a Local PC?
- Can I Use the System Disk Image of an ECS on a BMS After I Export It from the Cloud Platform?
- Why Is the Image Size in an OBS Bucket Different from That Displayed in IMS?
- Can I Download a Public Image to My PC?
- What Are the Differences Between Import/Export and Fast Import/Export?
- Why the Export Option Is Unavailable for My Image?
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Image Optimization
- Must I Install Guest OS Drivers on an ECS?
- Why Do I Need to Install and Update VirtIO Drivers for Windows?
- What Will the System Do to an Image File When I Use the File to Register a Private Image?
- How Do I Configure an ECS, a BMS, or an Image File Before I Use It to Create an Image?
- What Do I Do If a Windows Image File Is Not Pre-Configured When I Use It to Register a Private Image?
- What Do I Do If a Linux Image File Is Not Pre-Configured When I Use It to Register a Private Image?
- How Do I Enable NIC Multi-Queue for an Image?
- How Do I Configure an ECS to Use DHCPv6?
- How Do I Clean Up the Disk Space of a Windows ECS?
- How Do I Make a System Disk Image Support Fast ECS Creation?
- Why Did I Fail to Install Guest OS Drivers on a Windows ECS?
- How Do I Install Native Xen and KVM Drivers?
- Image Replication
- Image Deletion
- Image Encryption
- Accounts and Permissions
- Cloud-Init
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ECS Creation
- Can I Change the Image of a Purchased ECS?
- Can I Change the Specifications Defined by a Private Image When I Use the Image to Create an ECS?
- Can I Specify the System Disk Capacity When I Create an ECS Using an Image?
- What Do I Do If a Partition Is Not Found During the Startup of an ECS Created from an Imported Private Image?
- What Do I Do If the Disks of a CentOS ECS Created from an Image Cannot Be Found?
- What Do I Do If I Enabled Automatic Configuration During Image Registration for an ECS Created from a Windows Image and Now It Won't Start?
- What Do I Do If an Exception Occurs When I Start an ECS Created from an Image Using UEFI Boot?
- Billing
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Image Consulting
- Videos
Full-ECS Image FAQs
What Is a Full-ECS Image?
A full-ECS image contains the OS, applications, and service data of an ECS. Generally, a full-ECS image is used to migrate all data of an ECS. For example:
- Sharing an ECS with other users
- Migrating an ECS from one region to another, for example, from CN East-Shanghai1 to CN South-Guangzhou
- Migrating data from an old ECS to a new one
Why Do I Have to Select a Vault When Creating a Full-ECS Image? Do I Need to Pay for the Vault?
When creating a full-ECS image from a CBR backup, you must select a vault. The vault is where your image and backup are stored. You need to pay for the vault.
When creating a full-ECS image from a CSBS backup, the space used to store the image and CSBS backup is not open to users but still need to be billed.
So, no matter which backup type you select, you need to pay for the storage. Selecting a vault does not mean that you need to pay extra fees.
Where Can I Check the Data Disk Details of a Full-ECS Image?
To check data disk details, you need to go to the CSBS or CBR console, depending on where the full-ECS image is created from. That is because only system disk information (Disk Capacity) is displayed in the image list and image details after a full-ECS image is created.
The following describes how to view the data disk details in CBR:
- In the private image list, click the full-ECS image name.
- Locate Source and click the backup ID following it.
The CBR backup details page is displayed.
Figure 1 Image details - Click the Disk Backup tab. Details about the system disk and data disks are displayed.
Figure 2 Disk backup
What Are the Restrictions on Using a Full-ECS Image?
- A full-ECS image cannot be exported. You are advised to create images for the system disk and data disks separately and then export the images.
- A full-ECS image is shareable only when it is created from a CBR backup or from an ECS that has never had a CSBS backup.
- A full-ECS image cannot be replicated within the same region.
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