Server Migration Service
Server Migration Service
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" in this service
All results for "
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What's New
Function Overview
Service Overview
What Is SMS?
SMS Advantages
SMS Functions
Billing
Permissions
Precautions
Notes and Constraints
Supported OSs
Supported Windows OSs
Supported Linux OSs
Disclaimer
Service Statement
Related Services
Getting Started
Before You Start
Migration Process
Preparing for Migration
Installing the Agent on the Source Server
Installing the Agent on Windows
Installing the Agent on Linux
(Optional) Creating a Migration Template
(Optional) Creating a Server Template
Configuring the Target Server
Starting a Full Replication
Launching the Target Server
Synchronizing Incremental Data
User Guide
Permissions Management
Creating a User and Assigning Permissions
SMS Custom Policies
Installing the Agent on the Source Server
Installing the Agent on Windows
Installing the Agent on Linux
Migration Management
Configuring a Target Server
Starting a Full Replication
Synchronizing Incremental Data
Setting a Migration Rate
Deleting a Migration Task
Uploading Migration Logs
Deleting Resources
Target Server Management
(Optional) Cloning a Target Server
Launching a Target Server
Viewing the Details of a Server
Deleting a Target Server Configuration
(Optional) Deleting a Server Clone
Unlocking a Target Server
Deleting an EVS Snapshot
Template Management
Managing a Migration Template
Managing a Server Template
Viewing CTS Traces
SMS Operations Supported by CTS
Viewing CTS Traces in the Trace List
Viewing Traces
Best Practices
Moving Huawei Cloud ECSs from Multiple Accounts to a Single Account
Migrating Physical or Virtual Servers On-Premises or in Other Clouds to Huawei Cloud
Migrating the System and Data Partitions of a Windows Server to the Separate Disks of a Huawei Cloud ECS
Migrating a Server into an Enterprise Project
Background
Enabling EPS and Creating an Enterprise Project
Authorizing the User Group to Manage the Enterprise Project
Migrating the Source Server
FAQ
How Do I Fix Error "SMS.0204 Insufficient permissions" When the Migration Fails?
How Do I Fix Error "Enterprise project not enabled" When I Start the Agent?
Migrating Servers Whose OSs Are Not Supported by SMS
Background
Migrating Servers Running Unsupported Linux OSs
Migrating Servers Running Unsupported Windows OSs
Customizing Agent Images
Using Custom Agent Images
Creating Scripts in Agent Images
Creating a Windows Agent Image
Creating a Linux Agent Image
Migrating Servers over an IPv6 Network
Preparing for Migration
Setting Up an IPv6 Network and Creating a Target Server
Creating a Migration Task
Change History
API Reference
Before You Start
API Overview
Calling APIs
Making an API Request
Authentication
Response
Application Examples
Creating a Migration Task
Starting a Migration Task
Pausing and Deleting a Migration Task
API
API Version Query
Listing API Versions
Querying an API Version
Agent Running
Obtaining the Agent Configuration Information
Source Server Management
Listing Failed Source Servers
Registering a Source Server with SMS
Listing Source Servers
Batch Deleting Source Server Records
Modifying the Name of a Specified Source Server
Updating the Migration Task Status of a Source Server
Deleting a Source Server Record
Querying a Source Server
Obtaining a Summary of Source Servers
Updating Disk Information
Task Management
Creating a Migration Task
Listing Migration Tasks
Batch Deleting Migration Tasks
Deleting a Migration Task
Querying Details About a Migration Task
Updating a Migration Task
Managing Migration Tasks
Reporting Migration Progress and Rate
Querying the Migration Rate Limiting Rules of a Migration Task
Setting Migration Rate Limiting Rules for a Migration Task
Unlocking a Target Server
Checking NICs and Security Groups
Querying a Certificate Passphrase
Uploading Migration Task Logs
Command Management
Obtaining Commands from SMS
Reporting Command Execution Results to SMS
Template Management
Creating a Template
Listing Templates
Batch Deleting Templates
Deleting a Template
Querying Details About a Template
Modifying a Template
Querying the Target Server Password in a Template
Key Management
Obtaining an SSL Certificate and Private Key
Calculating an SHA256 Value
Migration Project Management
Creating a Migration Project
Listing Migration Projects
Querying Details About a Migration Project
Deleting a Migration Project
Modifying a Migration Project
Changing the Default Migration Project
Network Measurement Management
Updating Network Measurement Information
Advanced Migration Options Management
Configuring Advanced Migration Options
Querying the Advanced Migration Options Configured for a Task
Privacy Agreement Management
Signing the Privacy Agreement
Querying Whether a User Has Signed the Privacy Agreement
Appendix
Error Codes
Status Codes
Obtaining a Project ID
SDK Reference
SDK Overview
FAQs
Question Summary
Product Consultation
Can I Migrate ECSs from Huawei Cloud to On-Premises Environments or Other Clouds Using SMS?
Can I Ask Huawei Cloud Technical Support to Help Me Migrate Services?
Does SMS Support Resumable Data Transfer?
How Do I Migrate an ECS from One Account to Another?
How Do I Migrate an ECS from One Region to Another Using SMS?
How Do I Migrate a Linux Source Server as a Non-root User?
How Do I Create an ECS?
What Is Block-Level Migration?
What are Valid Data Blocks?
How Does Migration Using SMS Differ from Migration Using IMS?
Why Is the OS Name of the Target ECS Displayed on the ECS Console Different from That of the Source Server?
How Do I Determine Whether a Migration Is Complete?
How Does SMS Differ from IMS in the Migration Scenario?
What Are the Snapshots of a Target Server Used for?
How Many Source Resources Will Be Used for a Linux Block-Level Migration?
Do I Need to Activate the Windows OS and Paid Software After the Migration Is Complete?
Which Directories Are Not Synchronized by Default During Incremental Synchronization on a Linux Server?
Why Can't the Create new Option Be Selected When I Configure a Migration Task for a Windows Source Server?
Billing
Billing
OS Compatibility and Migration Restrictions
What Are the Constraints on and What OSs Are Supported by SMS?
What Are the Important Statements of SMS?
How Many Servers Can I Migrate Concurrently Using SMS?
How Do I Check the Firmware Type of a Source Server?
Why Do I Need to Install Additional Components Before Migrating Amazon Linux 2023?
What Should I Consider and Prepare Before Migrating a Server Running Red Hat Enterprise Linux CoreOS?
Source Servers
Can I Migrate Servers from Other Clouds to Huawei Cloud?
Will My Services on the Source Server Be Interrupted During Migration?
What Information Does SMS Collect About Source Servers?
Can I Migrate Only Some Workloads from a Source Server?
Can I Migrate a Source Server If There Is No Corresponding Image Available on Huawei Cloud?
Can I Use SMS to Migrate Self-built Databases, Big Data Services, or Websites Deployed on a Source Server?
Will the Migration Be Affected If the SSH Service Does Not Use Default Port on the Source Server?
Agent Installation and Startup
How Do I Download the SMS-Agent for Windows and the SHA256 Verification File?
How Do I Download and Install the Agent on Source Servers?
What Can I Do If I Fail to Download the Agent Installation File?
How Do I Verify the Integrity of the Agent Installation File?
Why Wasn't My Source Server Added to the SMS Console After I Configured the Agent?
How Do I Configure Certificate Verification in the SMS-Agent Configuration File?
Where Can I Find the Agent Run Logs?
How Do I Resolve Error "SMS.5109 The application cannot be started due to incorrect parallel configuration" When I Start the Agent?
Why Does the Agent Not Start the First Time I Launch It?
Why Does the Windows Agent Executable Not Run When I Double-Click It?
How Do I Fix Error "INTERNAL ERROR: cannot create temporary directory!" When I Start the Agent?
How Do I Troubleshoot Failures of Pasting the AK/SK Pair When I Start the SMS-Agent (Python 2) on Windows Server 2008?
How Do I Resolve Error "utf-8 codec can't decode byte 0xce in position0: invalid continuation byte" When I Start the Agent?
How Do I Restart the Agent?
How Do I Fix Agent Startup Failures Due to Insufficient Space in /tmp on a Linux Source Server?
How Do I Fix Error "Failed to start sms agent! disks" When I Start the Agent on a Linux Source Server?
How Do I Fix Error "Failed to obtain information about disk %s" When I Start the Agent on a Linux Source Server?
How Do I Choose When the System Asks Whether to Disable the Google Services Detected on My Source Server on Google Cloud?
What Do I Do If a Source Server's Name I Modified on the SMS Console Is Overwritten After the SMS-Agent Is Restarted?
Target Server Consultation
What ECS Types Are Supported by SMS?
What Are the Differences Between Target and Source Servers After the Migration?
What Determines the Specifications of a Target Server?
How Will the Authentication of a Target Server Change After the Migration?
Why Is the File System Size Inconsistent Before and After the Migration?
Will an Incremental Synchronization Overwrite Existing Data on a Launched Target Server?
How Do I Create a Target Server That Meets the SMS Requirements?
Why Can't I See Data Disks on a Windows Target Server After the Migration Is Complete?
Why Are the Agent Plug-ins from the Source Cloud Service Provider Retained on the Target Server After the Migration Is Complete?
After the Migration Is Complete, Will Deleting the Target Server Configuration or Server Record Affect the Source or Target Server?
If I Change the Password of the Source Server and Perform an Incremental Synchronization After the Full Migration Is Complete, Will the New Password Be Synchronized to the Target Server?
Why Is My Target Server Locked During the Migration?
How Do I Unlock a Target Server Manually?
Target Server Configuration
How Do I Select a Target Server?
How Do I Configure Data Compression for a Linux Block-Level Migration?
How Do I Limit Resource Allocation for the Agent in a Linux Migration?
How Do I Set the Number of Concurrent Processes for a Linux File-Level Migration?
How Do I Configure the Yum Repository for the Target Server After the Migration Is Complete?
How Do I Fix Error "SMS.0601 ECS creation failed?"
Why Can't I Save the Migration Configuration as a Template?
How Do I Resolve Error "Inconsistent firmware type. Source: UEFI, Target: BIOS" When I Create a Migration Task?
Target Server Launch
How Do I Optimize a Windows Target Server After the Migration Is Complete?
After a Windows Server Is Migrated, Why Is the Used Space of C: Drive Increased?
How Do I Uninstall the SMS-Agent from the Source and Target Servers After the Migration Is Complete?
Why Can't a Windows Target Server Access the Internet After the Migration Is Complete?
Why Is the System Recovery Options Window Displayed When the Target Server Is Started?
How Do I Fix a GRUB Error Because an XFS Volume Is Mounted to the /boot Partition?
How Do I Troubleshoot a MySQL Startup Failure on the Target Server After the Migration?
How Do I Resolve Error "SELinux targeted" When I Start a Linux Target Server After the Migration Is Complete?
Why Is the Usable Memory (RAM) Less Than the Total Installed Memory on a Target Server Running 64-bit Windows?
How Do I Fix BSOD Errors When I Start a Windows Target Server After the Migration?
How Do I Fix Startup Failures of a Windows Target Server After the Migration?
What Configuration Items Do I Need to Modify for the Target Server After the Migration Is Complete?
Data Consistency
Can the Target Server Run a Different Type of OS from the Source Server?
How Do I Verify Data Consistency Between the Source and Target Servers?
How Do I Display the OS Name of a Target Server on the ECS Console?
Why Is Consistency Verification Not Supported for Red Hat Enterprise Linux CoreOS?
Credentials
How Do I Obtain an AK/SK Pair for a Huawei Cloud Account?
How Do I Obtain an AK/SK Pair for an IAM User?
Can I Use an AK/SK Pair of a Federated User (Virtual IAM User) for Authentication During the SMS-Agent Startup?
How Do I Obtain the SMS Domain Name Required for Starting the SMS-Agent?
Can I Use a Temporary AK/SK Pair for Migration?
Migration Network
How Do I Set Up a Secure Migration Network for Using SMS?
What Are the Network Requirements for Existing Target Servers?
How Do I Configure Security Group Rules for Target Servers?
How Do I Restore the Connection Between the Agent and SMS?
Why the Migration Progress Is Suspended or Slow?
Does a Source Server Have to Connect to the Internet?
How Do I Configure a Source Server to Access Huawei Cloud Through a Proxy?
Can I Release or Change the Target Server EIP During the Migration?
How Do I Measure the Network Performance Before the Migration?
Can I Set a Rate Limit for a Migration?
How Do I Configure Automatic Recovery?
Migration Duration
How Long Does a Migration Take?
How Do I View the Remaining Migration Time?
How Is the Migration Rate Displayed on the SMS Console Calculated?
How Do I Speed Up Migration?
Why Does the Migration Speed Fluctuate?
How Do I Test the Network Bandwidth Between the Source and Target Servers Using iPerf?
Why Isn't the Increased Bandwidth Being Used During the Migration?
Is the Migration Speed Determined by the Source Bandwidth or the Target Bandwidth?
Why Does the Migration Stay at a Stage for a Long Time?
What Factors Affect the Migration Speed?
Why Is the Linux Block-Level Migration Very Slow?
Disk Management
Why Was a 40-GB EVS Disk Added to the Target Server During the Migration?
Why Can't I Attach the Original System Disk Back to a Target Server?
How Do I Resize Partitions and Disks When I Migrate a Windows Source Server?
How Do I Shrink the Disk Partitions on a Windows Source Server?
How Do I Exclude a Partition from Migration in Windows?
How Do I Resolve Error "Target server has fewer disks than source server. Select another target server" When I Configure the Target Server?
What Are the Disk Requirements for Source and Target Servers?
How Can I Migrate a Source Server with a Large System Disk?
How Do I Resolve Error "Some disks on the target server are smaller than those on the source server. Select another target server" When I Configure the Target Server?
Can SMS Migrate Local Disks on a Source Server?
When I Migrate a Windows Source Server from Alibaba Cloud, Why Do I Need to Choose a Target Disk at Least 1 GB Larger than the Paired GPT Source Disk?
Why Can't I Specify Whether to Migrate a Physical Volume When I Resize Disk Partitions in Linux?
Why Can't I Specify Whether to Migrate a Logical Volume When I Resize Disk Partitions in Linux?
What Are the Rules for Resizing Volume Groups, Disks, and Partitions?
How Do I Migrate a Server with a System Disk Larger Than 1 TB?
How Do I Manually Detach the Temporary System Disk from My Target Server and Re-attach the Original System Disk?
Why Is the Amount of Migrated Data Less Than the Total Amount of Data to Be Migrated After the Migration Is Complete?
How Do I Split a Disk During a Linux Migration?
How Do I Detach the Temporary System Disk from My Target Server and Re-attach the Original System Disk using SMS-Agent?
What Do I Do If Some Disks Are Not Attached to the Target Server After the Migration Is Complete?
Migration or Synchronization Failures
After the Migration Is Complete, How Do I Replicate Any New Data from the Source Server to the Target Server?
What Do I Do If the SMS-Agent Exits Suddenly and Disconnects a Windows Source Server from the SMS Console During a Migration?
Known Errors and Solutions
SMS.0202 AK/SK Authentication Failed. Ensure that the AK and SK Are Correct
SMS.0203 Connection from Source Server to API Gateway Timed Out
SMS.0204 Insufficient Permissions. Obtain the Required Fine-Grained Permissions
SMS.0205 Incorrect System Time or Time Zone On Source Server
SMS.0206 Only x86 Servers Can Be Migrated
SMS.0208 Failed to Send Your Service Statement Confirmation to SMS
SMS.0210 Failed to Create File on Target Server
SMS.0212 Agent Restarted
SMS.0219 Failed to Obtain Temporary Credential from Configuration File
SMS.0303 Unable to Access Domain Name
SMS.0304 SSL/TLS Authentication Failed
SMS.0410 Failed to Obtain NIC Information
SMS.0412 Target Server Does Not Exist
SMS.0515 Migration Failed. Source Disk Information Has Changed. Delete Target Server Configuration and Restart the Agent
SMS.0609 An Older Version of Agent Is Detected. Please Exit The Current Program, Uninstall the Old Agent Completely, and Install the Newest One
SMS.0805 Failed to Migrate Partition to Target Server
SMS.0806 Failed to Synchronize Partition to Target Server
SMS.0807 Network Error Between Source and Target Servers
SMS.1104 Failed to Detach disk xx
SMS.1113 Failed to Reconfigure Partition Details on the Target Server
SMS.1105 Disk Creation Failed
SMS.1106 Failed to Delete Disk XX
SMS.1204 Failed to Create File on Source Server
SMS.1205 Failed to Load WMI
SMS.1351: Mount Point /xxx Detected on the Source Server, Which Has No Free Space. Ensure that There Is at Least 1 MB of Space
SMS.1352: Unknown Physical Volumes Detected on the Source Server
SMS.1353: Bind Mount or Repeated Mount Detected on /xxx of the Source Server
SMS.1402 SSH Client Not Installed
SMS.1414 The Migration Module Stopped Abnormally and Cannot Synchronize Data
SMS.1807 Failed to Connect to the Target Server. Check Whether Its IP Address Is Reachable and Confirm that Port 8900 Is Enabled
SMS.1901 Agent Could Not Read Disk Information
SMS.1902 Failed to Start the I/O Monitoring Module
SMS.1904 Failed to Create a Snapshot for the Windows Server
SMS.2802 Failed to Connect to the Target Server. Check Whether Its IP Address Is Reachable and Port 8899 Is Enabled
SMS.3102 Failed to Modify the initrd File on the Target Server
SMS.3205 Failed to Mount Partition XXX to Directory XXX
SMS.3802 Failed to Establish an SSH Connection with the Target Server
SMS.3803 The Connection to the Port 22 of Target Server Failed, Because an Error Occurred During the Public Key Verification on the Target Server
SMS.3804 The Connection to the Port 22 of Target Server Failed Due to Invalid Connection Credential
SMS.3805 The Connection to the Port 22 of Target Server Timed Out
SMS.3806 The Connection to the Port 22 of Target Server Was Rejected
SMS.5102 Agent Startup Failed Because the noexec Permission Is Unavailable on /tmp in Linux
SMS.5105 Agent Startup Failed. Insufficient Permissions to Add Files to or Delete Files from xxx
SMS.5108 Failed to Execute df -TH
SMS.5112: Agent Main Program linuxmain Could Not Run
SMS.5113 Check %s on Linux Timed Out
SMS.6303 The Installed Agent Is of an Earlier Version. Download the Latest Version
SMS.6509 Incompatible File System of the Source Server
SMS.6511 The Source Server Lacks Driver Files
SMS.6517 rsync Not Installed on the Source Server
SMS.6526 Insufficient Quota
SMS.6528 Complete Real-name Authentication to Invoke SMS APIs
SMS.6533 VSS Not Installed on the Source Server
SMS.6537 SMS Cannot Migrate System Disks Larger Than 1 TB
SMS.6564 Component i386-pc Not Found on Source Server. For solution, see SMS API Reference
SMS.6563 File initrd or initramfs of the xxxx Version Not Found Under /boot Directory. For solution, see SMS API Reference
SMS.6616 The Current OS Does Not Support Block-level Migration/SMS.6617 The Current Kernel Version Does Not Support Block-level Migration
SMS.9007 Migration Task Paused. Rate Limit Not Applied. Rate Exceeded Limit Multiple Times