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        • Before You Start - Server Migration Service

          Before You Start - Server Migration Service

          Public services, such as Elastic Cloud Server (ECS), Elastic Volume Service (EVS), Object Storage Service (OBS), Virtual Private Cloud (VPC), Elastic IP (EIP), and Image Management Service (IMS), are shared within the same region.

          Help > Server Migration Service > API Reference
        • Target Server Consultation - Server Migration Service

          Target Server Consultation - Server Migration Service

          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?

          Help > Server Migration Service > FAQs
        • SMS.0303 Unable to Access Domain Name - Server Migration Service

          SMS.0303 Unable to Access Domain Name - Server Migration Service

          If the EIP is frozen, contact ECS or EIP technical support. Check whether the required outbound ports are allowed in the security group of the source server. If there are no outbound rules for the protocols and ports shown in Figure 1, add rules for them.

          Help > Server Migration Service > FAQs > Known Errors and Solutions
        • SMS.6526 Insufficient Quota - Server Migration Service

          SMS.6526 Insufficient Quota - Server Migration Service

          Possible Causes Throughout the operations of the SMS-Agent, any interaction with Huawei Cloud services (such as EPS, IAM, and ECS) may trigger the SMS.6526 error. This occurs because Huawei Cloud performs account status validation.

          Help > Server Migration Service > FAQs > Known Errors and Solutions
        • Why Can't I Attach the Original System Disk Back to a Target Server? - Server Migration Service

          Why Can't I Attach the Original System Disk Back to a Target Server? - Server Migration Service

          Log in to the ECS console, locate the target server, and detach the temporary system disk. For details, see Detaching an EVS Disk from a Running ECS. Log in to the API Explorer. Set the following parameters: Region: Select the target region.

          Help > Server Migration Service > FAQs > Disk Management
        • How Do I Manually Detach the Temporary System Disk from My Target Server and Re-attach the Original System Disk? - Server Migration Service

          How Do I Manually Detach the Temporary System Disk from My Target Server and Re-attach the Original System Disk? - Server Migration Service

          Sign in to the ECS console. In the server list, locate this server and click its name. Click the Disks tab, locate disk SMS-Temp_Disk_Deleted-after-migration, and click Detach. Click Yes. Detach the original system disk. The original system disk is attached as a data disk.

          Help > Server Migration Service > FAQs > Disk Management
        • Moving Huawei Cloud ECSs from Multiple Accounts to a Single Account - Server Migration Service

          Moving Huawei Cloud ECSs from Multiple Accounts to a Single Account - Server Migration Service

          Install the SMS Agent on each ECS to be migrated. For details, see How Do I Install the Agent on Source Servers? Run the SMS Agent and enter the AK/SK pair obtained in 1.

          Help > Server Migration Service > Best Practices
        • How Do I Configure the Yum Repository for the Target Server After the Migration Is Complete? - Server Migration Service

          How Do I Configure the Yum Repository for the Target Server After the Migration Is Complete? - Server Migration Service

          Procedure Log in to the ECS as root. For details, see Logging In to a Linux ECS.

          Help > Server Migration Service > FAQs > Target Server Configuration
        • Creating a User and Assigning Permissions - Server Migration Service

          Creating a User and Assigning Permissions - Server Migration Service

          If the IAM users who will be added to this group need all SMS permissions, attach system-defined policies SMS FullAccess, OBS OperateAccess, ECS FullAccess, VPC FullAccess, and EVS FullAccess to the group. EVS KMSAccess must be attached if disk encryption is required.

          Help > Server Migration Service > User Guide > Permissions Management
        • How Do I Measure the Network Performance Before the Migration? - Server Migration Service

          How Do I Measure the Network Performance Before the Migration? - Server Migration Service

          Measurement Results During the network performance measurement, the system will check whether the source server can connect to the target server and related cloud services, such as IMS, ECS, EVS, and VPC, using their domain names In addition, it measures four core network metrics:

          Help > Server Migration Service > FAQs > Migration Network
        • Using Custom Agent Images - Server Migration Service

          Using Custom Agent Images - Server Migration Service

          The IP address is used by ECS to access the metadata service. Using a Windows Agent Image (Python 3) Log in to the SMS console. In the navigation pane on the left, choose Agents.

          Help > Server Migration Service > Best Practices > Customizing Agent Images
        • Managing a Server Template - Server Migration Service

          Managing a Server Template - Server Migration Service

          a security group that opens the following inbound ports: Windows: ports 8899, 8900, and 22 Linux: port 22 for file-level migration, and ports 8900 and 22 for block-level migration CAUTION: For security purposes, you are advised to only allow traffic from the source server to the ECS

          Help > Server Migration Service > User Guide > Template Management
        • Preparing for Migration - Server Migration Service

          Preparing for Migration - Server Migration Service

          associated with the target server to allow traffic to these ports: Windows: TCP ports 8899, 8900, and 22 Linux: port 22 for file-level migration, and ports 8900 and 22 for block-level migration For security purposes, you are advised to only allow traffic from the source server to the ECS

          Help > Server Migration Service > Getting Started
        • Preparing for Migration - Server Migration Service

          Preparing for Migration - Server Migration Service

          associated with the target server to allow traffic to these ports: Windows: TCP ports 8899, 8900, and 22 Linux: port 22 for file-level migration, and ports 8900 and 22 for block-level migration For security purposes, you are advised to only allow traffic from the source server to the ECS

          Help > Server Migration Service > Best Practices > Migrating Servers over an IPv6 Network
        • What Configuration Items Do I Need to Modify for the Target Server After the Migration Is Complete? - Server Migration Service

          What Configuration Items Do I Need to Modify for the Target Server After the Migration Is Complete? - Server Migration Service

          Installing Huawei Cloud Password Reset Plug-in (Optional) To use the password reset function on the ECS console, you can install the Huawei Cloud password reset plug-in to reset the password with a few clicks.

          Help > Server Migration Service > FAQs > Target Server Launch
        • Function Overview - Server Migration Service

          Function Overview - Server Migration Service

          Available in all regions How Do I Select a Target ECS? Unlocking a Target Server During the migration, the target server is automatically locked to ensure successful migration. After the migration succeeds, the target server is automatically unlocked.

          Help > Server Migration Service > Function Overview
        • How Long Does a Migration Take? - Server Migration Service

          How Long Does a Migration Take? - Server Migration Service

          where T: the required migration time, in hours C: the total data volume of the source server, in GB S: the TCP speed (in Mbit/s) from the source server to the target ECS, that is, the TCP speed obtained in 4.b U: the network usage, which is related to network quality (jitter, delay

          Help > Server Migration Service > FAQs > Migration Duration
        • What Are the Constraints on and What OSs Are Supported by SMS? - Server Migration Service

          What Are the Constraints on and What OSs Are Supported by SMS? - Server Migration Service

          While an ECS supports up to 24 disks, SMS reserves one slot for a temporary disk during migration. This means that a source server can have a maximum of 23 disks. Disk size The mkfs tool included in the SMS agent image for Linux cannot create file systems larger than 16 TB.

          Help > Server Migration Service > FAQs > OS Compatibility and Migration Restrictions
        • Configuring a Target Server - Server Migration Service

          Configuring a Target Server - Server Migration Service

          If no existing server meets the requirements, click Create ECS and purchase an ECS with the required specifications. For details, see Purchasing an ECS. You can select a pay-per-use or yearly/monthly ECS.

          Help > Server Migration Service > User Guide > Migration Management
        • Configuring the Target Server - Server Migration Service

          Configuring the Target Server - Server Migration Service

          If no existing server meets the requirements, click Create ECS and purchase an ECS with the required specifications. For details, see Purchasing an ECS. You can select a pay-per-use or yearly/monthly ECS.

          Help > Server Migration Service > Getting Started
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