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Server Migration Service
Server Migration Service
- What's New
- Function Overview
- Service Overview
-
Getting Started
- Before You Start
- Quick Start
- Preparing for Migration
- Installing the Agent on the Source Server
- (Optional) Creating a Migration Template
- (Optional) Creating a Server Template
- Configuring the Target Server
- Starting the Full Replication
- Launching the Target Server
- Synchronizing Incremental Data
- Change History
-
User Guide
- Permissions Management
-
Migration Management
- Configuring a Target Server
- Starting a Full Replication
- (Optional) Cloning a Target Server
- Launching a Target Server
- Viewing the Details of a Server
- Synchronizing Incremental Data
- Deleting a Target Server Configuration
- (Optional) Deleting a Server Clone
- Deleting a Server Record
- Setting a Migration Rate
- Unlocking a Target Server
- Deleting an EVS Snapshot
- Template Management
- Viewing CTS Traces
- Change History
-
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
- Migrating Servers Whose OSs Are Not Supported by SMS
- Customizing Agent Images
- Migrating Servers over an IPv6 Network
- Change History
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Application Examples
-
APIs V3.0
- API Version Query
- Agent Running
-
Source Server Management
- Listing Failed Source Servers
- Registering a Source Server with SMS
- Listing Source Servers
- Batch Deleting Source Server Records
- Modifying a Source Server Name
- Updating the Migration Task Status of a Source Server
- Deleting a Source Server Record
- Querying Details About a Source Server
- Obtaining Source Server Overview
- 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 Limit Rules of a Migration Task
- Setting Migration Rate Limit Rules for a Migration Task
- Unlocking a Target Server
- Checking NICs and Security Groups
- Querying a Certificate Passphrase
- Uploading Migration Task Logs
- Obtaining Consistency Verification Results
- Uploading Consistency Verification Results
- Command Management
- Template Management
- Key Management
- Migration Project Management
- Network Measurement Management
- Advanced Migration Options Management
- Privacy Agreement Management
- Appendix
- Change History
- SDK Reference
-
FAQs
- Question Summary
-
Product Consultation
- Can I Migrate Servers from Other Clouds to Huawei Cloud Using SMS?
- 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 Using SMS?
- How Do I Migrate an ECS from One Region to Another Using SMS?
- Will My Services on the Source Server Be Interrupted During Migration?
- 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?
- How Do I Migrate a Linux Source Server as a Non-root User?
- What Information Does SMS Collect About Source Servers?
- How Do I Select a Target Server?
- 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?
- Can I Migrate Only Some Workloads from a Source Server?
- Can the Target Server Run a Different Type of OS from the Source Server?
- What Determines the Specifications of a Target Server?
- How Do I Download the SMS-Agent for Windows and the SHA256 Verification File?
- Can I Migrate a Source Server If There Is No Corresponding Image Available on Huawei Cloud?
- How Does SMS Differ from IMS in the Migration Scenario?
- How Do I Display the OS Name of a Target Server on the ECS Console?
- What Are the Snapshots of a Target Server Used for?
- Will an Incremental Synchronization Overwrite Existing Data on a Launched Target Server?
- How Do I Create a Target Server That Meets the SMS Requirements?
- Can I Use SMS to Migrate Self-built Databases, Big Data Services, or Websites Deployed on a Source Server?
- Can I Use an AK/SK Pair of a Federated User (Virtual IAM User) for Authentication During the SMS-Agent Startup?
- Will the Migration Be Affected If the SSH Service Does Not Use Default Port 22 on the Source Server?
- How Do I Obtain the SMS Domain Name?
- How Many Resources Will Be Used for a Linux Block-Level Migration?
- How Do I Configure Data Compression for a Linux Block-Level Migration?
- Do I Need to Activate the Windows OS and Paid Software After the Migration Is Complete?
- What Do I Do If the Source Server's Clocks Are Not Synchronized to the Target Server?
- How Do I Set the Number of Concurrent Processes for Linux File-Level Migrations?
- Which Directories Are Not Synchronized by Default During Incremental Synchronization on a Linux Server?
- How Do I Verify Data Consistency Between the Source and Target Servers?
- Can I Use a Temporary AK/SK Pair for Migration?
- Why Can't the Create new Option Be Selected When I Configure a Migration Task for a Windows Source Server?
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OS Compatibility and Migration Restrictions
- What OSs Can Be Migrated by and What Are the Restrictions on Using SMS?
- What Are the Important Statements of SMS?
- How Many Servers Can I Migrate Concurrently Using SMS?
- How Do I Resolve Error "Inconsistent firmware type. Source: UEFI, Target: BIOS" When I Create a Migration Task?
- How Do I Check the Firmware Type of a Source Server?
- Why Can't I Save the Migration Configuration as a Template?
- How Do I Set Resource Limits for SMS-Agent During a Linux Server Migration?
-
Migration Network
- How Do I Set Up a Secure Migration Network for Using SMS?
- How Do I Prepare a Target Server Before the Migration?
- 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?
-
Agent Installation and Startup
- 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?
- Why Is My Target Server Locked During the Migration?
- How Do I Unlock a Target Server Manually?
- How Do I Resolve Error "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 Agent (Python 2)?
- 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 X" 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?
-
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 Requirements on Disks on a Target Server?
- 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 Merge Disks During a Linux Migration?
- 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?
- Migration or Synchronization Failures
-
Target Server Configuration and Launch
- What Are the Differences Between Target and Source Servers After the Migration?
- How Will the Authentication of a Target Server Change After the Migration?
- How Do I Optimize a Windows Target Server After the Migration Is Complete?
- How Do I Fix the Error "SMS.1113 Failed to reconfigure partition details on the target server" When I Launch the Target Server?
- 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?
- How Do I Configure the Yum Repository for the Target Server After the Migration Is Complete?
- Why Is the File System Size Inconsistent Before and After the Migration?
- Why Can't I See Data Disks on a Windows Target Server 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?
- What Do I Do If a Target Server Fails to Be Created?
- 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 Are the Agent Plug-ins from the Source Cloud Service Provider Retained on the 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?
- After the Migration Is Complete, Will Deleting the Target Server Configuration or Server Record Affect the Source or Target Server?
- 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?
- 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?
- What ECS Types Are Supported by SMS?
-
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.0210 Failed to Create File on Target Server
- SMS.0303 Unable to Access Domain Name
- 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.1104 Failed to Detach disk xx
- 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.3205 Failed to Mount Partition XXX to Directory XXX
- SMS.3802 Failed to Establish an SSH Connection with the Target Server
- 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.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.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.6562: 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
- Change History
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Why Are the Agent Plug-ins from the Source Cloud Service Provider Retained on the 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?
Updated on 2024-08-15 GMT+08:00
SMS migrates everything, such as disk data and service configurations, from a source server to the target server.
If the agent plug-ins from the source cloud service provider are installed on the disks of the source server and are configured to automatically start upon system startup, these agent plug-ins will be migrated to the target server and still start upon system boot.
You can delete or uninstall these plug-ins or modify related configurations on the target server.
NOTICE:
SMS only ensures data consistency before and after migration. You need to modify service configurations as needed.
Parent topic: Target Server Configuration and Launch
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