Migration Center
Migration Center
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All results for "
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What's New
Service Overview
Migration Center (MgC) Infographic
What Is MgC?
MgC Advantages
MgC Application Scenarios
MgC Functions
Disclaimer
Billing
Collection Security
Data Collection Architecture
Security
Collection Items
Permissions and Principles for Data Collection over an Intranet
Permissions Required for Data Collection over the Internet
Permissions
Notes and Constraints
OSs Supported for Collection and Migration
Related Services
Getting Started
Quick Start
Preparations
Quickly Migrating Servers in Batches
User Guide
Overview
Permissions Management
Using IAM to Grant Access to MgC
Using IAM Roles or Policies to Grant Access to MgC
Using IAM Identity Policies to Grant Access to MgC (New Console)
Agency Permissions
Using Roles or Policies to Assign Custom Permissions to IAM Users
Using Identity Policies to Assign Custom Permissions to IAM Users (New Version)
Settings Management
Managing Migration Projects
Managing Credentials
Application Migration Projects
Overview
Migration Journeys
TCO Analysis
TCO Analysis for On-Prem to Cloud Migration
TCO Analysis with Credentials: Cross-Cloud Migration
TCO Analysis with Bills: Cross-Cloud Migration
Resource Survey
Online Discovery – Cloud Platform Discovery
Online Discovery - SMS Server Synchronization
Intranet Discovery
Importing RVTools Data
Importing Cloud Resource Details
Importing Collected Data
Importing a Template
Questionnaires
Resource List
Resource List Management
Adding Resources to a Resource List
Collecting Server Performance Data
Exporting the Resource List
Managing Applications
Adding Resources to an Application
Cloud Migration Assessment
Generating Target Recommendations
Assessing Migration Risks
Estimating Storage Migration Costs
Big Data Migration Assessments
Server Migration
Server Migration Tasks
Single Server/Small-Scale Migration
Cross-AZ Migration
Large-Scale Migration
Storage Migration
Storage Migration Tasks
Object Storage Migration (Exclusive Cluster)
File Storage Migration (Exclusive Cluster)
Batch Object Storage Migration
Batch File Storage Migration
Migration Plans (Unavailable Soon)
Creating a Batch Server Migration Plan
Creating a Cross-AZ Batch Server Migration Plan
Creating a Batch Object Storage Migration Plan (High-Performance Cluster)
Creating a Batch File Storage Migration Plan
Migrating Workflows (Unavailable Soon)
Workflow Quotas
Creating a Batch Server Migration Workflow
Creating a Cross-AZ Batch Server Migration Workflow
Creating a General Storage Migration Workflow
Creating a Batch Object Storage Migration Workflow (High-Performance Cluster)
Creating a Batch File Storage Migration Workflow
Adding a Pre-/Post-Migration Stage and Step (Checkpoints and Scripts)
Tool Center
Task Center
Migration Clusters
Billing
Creating a Migration Cluster
Managing a Migration Cluster
Cluster Statuses
Migration Cluster Resources and Settings
Migration Partners
Migration Plans
Creating a Server Migration Plan
Creating a Batch Object Storage Migration Plan
Creating a Batch File Storage Migration Plan
Migration Workflows
Workflow Quotas
Creating a Batch Server Migration Workflow
Creating a Cross-AZ Batch Server Migration Workflow
Creating a General Storage Migration Workflow
Creating a Batch Object Storage Migration Workflow
Creating a Batch File Storage Migration Workflow
Adding a Stage or Step
Big Data Migration Projects
Preparations
Deploying the MgC Agent
Collecting Metadata
Creating a Metadata Connection
Creating a Metadata Collection Task
Creating a Data Lake Metadata Collection Task
Viewing Metadata
Data Migration (from MaxCompute to DLI)
Overview
Before You Start
Preparations
Creating a Source Connection
Creating a Target Connection
Creating a Migration Task
Migrating Full Metadata
Scanning for Incremental Metadata
Migrating Full Data
Migrating Incremental Data
Viewing and Exporting Task Execution Results
Custom Parameters
Data Migration (from Self-built Hive to MRS Hive)
Overview
Before You Start
Preparations
Creating a Source Connection
Creating a Target Connection
Creating a Migration Task
Migrating Full Metadata
Scanning for Incremental Metadata
Viewing and Exporting Task Execution Results
Custom Parameters
Data Verification
Overview
Verification Process
Preparations
Creating a Source Connection
Creating a Connection to a Source Cloud Service
Creating a Connection to a Source Component
Collecting Metadata
Creating and Running a Metadata Collection Task
Creating and Running a Data Lake Metadata Collection Task
Creating a Table Group and Adding Tables to the Group
Creating a Target Connection
Creating an Executor Connection
Creating a Connection to a Target Cloud Service
Creating a Connection to a Target Component
Creating and Executing Verification Tasks
Managing Verification Results
Custom Parameters
MgC Agent Usage Guide
MgC Agent Overview
OSs Supported for Collection and Migration
OSs Supported for Batch Credential Associations
Downloading and Installing the MgC Agent
Installing the MgC Agent on Windows
Installing the MgC Agent on Linux
Resource Management
Discovering Servers
Adding Resources
Identifying Resources
Connecting the MgC Agent to MgC
Connecting the MgC Agent to MgC
Configuring Huawei Cloud Credentials
Settings Management
Managing Credentials
Configuring an OBS Bucket
Managing MgC Agents
Event Recording
Collector-based Discovery
Creating a Resource Collection Task
Managing Collectors
Configuring Collector Parameters
Network and Process Collector (agent-collector-server-netstat-process)
Database Basic Information Collector
Best Practices
Setting JVM Parameters for the MgC Agent (Formerly Edge)
Setting JVM Parameters for the MgC-Agent Server
Setting JVM Parameters for Collectors
Configuring Federated Authentication Between Huawei Cloud MgC Agent and Azure Entra ID
Collecting Process and Network Information from Servers
FAQs
What Are the Requirements for the Server for Installing the MgC Agent (Formerly Edge)?
How Do I Run the MgC Agent in Compatibility Mode?
What Can I Do If the MgC Agent (Formerly Edge) Is Offline?
Why Can't the MgC Agent (Formerly Edge) Start After Being Installed?
MgC Agent for Windows
MgC Agent for Linux
How Do I Upgrade the MgC Agent (Formerly Edge) to the Latest Version?
Upgrading the MgC Agent for Windows
Upgrading the MgC Agent for Linux
How Do I Uninstall the MgC Agent (Formerly Edge)?
Uninstalling the MgC Agent on Windows
Uninstalling the MgC Agent for Linux
How Do I Restart the MgC Agent (Formerly Edge)?
How Do I Check the Current MgC Agent Version (Formerly Edge)?
How Do I Obtain Run Logs of the MgC Agent (Formerly Edge) on Linux?
How Do I Fix the Error "The collector is not installed" When a Discovery Task Fails?
How Do I Obtain the Hive Metastore Credential Files?
What Can I Do If the Port Required by the MgC Agent Is Occupied and the Installation Fails?
What Can I Do If AK/SK Verification Fails?
How Do I Configure WinRM and Troubleshoot WinRM Connection Problems?
What Do I Do If the Credential List Is Empty When I Create a Data Connection for Big Data Verification?
What Can I Do If Installing the MgC Agent on a Linux Server Fails Due to Insufficient Entropy?
How Do I Set Environment Variables to Collect and Migrate Linux Servers That Use OpenSSH Earlier Than 7.0?
How Do I Verify the Integrity of the MgC Agent Package?
How Do I Verify the Integrity of the Database Basic Information Collector Package?
Error Codes and Solutions for MgC Agent
Best Practices
Server Migration
Configuring Permissions Required for Server Migration
Network Requirements for Server Migration
Migrating On-premises Servers to Huawei Cloud
Migrating Servers from Alibaba Cloud to Huawei Cloud
One-stop Cross-AZ ECS Migration
Migrating Servers Across AZs on Huawei Cloud
Migrating Servers to Flexus X Instances (Original HECS X Instances)
Reducing Disk Capacity for Target Servers
Resizing Disks and Partitions for Target Servers
Keeping Private IP Addresses of Servers Unchanged After the Migration
Batch Modifying and Restoring the Host Configurations for Linux Source Servers
Overview
Preparations
Configuring the Scripts
Configuring the update_hosts_linux.sh Script
Configuring the rollback_hosts_linux.sh Script
Batch Modifying and Restoring the Host Configurations for Windows Source Servers
Overview
Preparations
Example Scripts
Configuring the update_hosts_win.ps1 Script
Configuring the rollback_hosts_win.ps1 Script
FAQs
How Do I Enable PowerShell Remoting?
How Do I Enable WinRM?
What Can I Do If an Error Is Reported After a Script Is Executed, Indicating that the Remote Server Fails to Be Connected and the Login Credential Information Is Correct?
Best Practice for Migrating Amazon EC2 to Huawei Cloud ECS
Solution Overview
Overall Process
Preparation
Preparing Accounts and Permissions
Checking Source Server Configuration
Preparing a Server to Install MgC Agent
Creating a Migration Project
Surveying and Evaluating the Migration Requirement
Installing MgC Agent
Surveying Source Servers
Evaluating Source System Compatibility
(Optional) Evaluating Migration Risks
(Optional) Purchasing Target Servers
Implementing the Migration
Creating a Batch Server Migration Plan and Workflow
Managing Migration Workflows
Verifying Services
Performing a Cutover
Best Practice for Migrating Tencent Cloud CVM to Huawei Cloud ECS
Solution Overview
Overall Process
Preparation
Preparing Accounts and Permissions
Checking Source Server Configuration
Preparing a Server to Install the MgC Agent
Creating a Migration Project
Surveying and Evaluating the Migration Requirement
Installing the MgC Agent
Surveying Source Servers
Evaluating Source System Compatibility
(Optional) Evaluating Migration Risks
(Optional) Purchasing Target Servers
Migration Implementation
Creating a Batch Server Migration Plan and Workflow
Managing Migration Workflows
Service Verification
Service Cutover
Storage Migration
Migrating Data from Other Cloud Platforms to Huawei Cloud
Migrating Data from Multiple Source Buckets by Prefix
Migrating Archive (Cold) Data
Migrating Data from SFS 1.0 to SFS 3.0
Precautions
Preparations
Creating a Migration Cluster
(Optional) Configuring Network Connectivity
Creating a General Migration Workflow
(Optional) Clearing the Migration Cluster
Moving Data Between NAS Systems and Switching Services Seamlessly
Migrating File Systems in Batches
Migrating Data from MinIO to Huawei Cloud OBS over HTTP
Migrating Data from Ceph to Huawei Cloud OBS over HTTP
Migrating Data Using CDN
Migrating Object Storage Data Using a List
Logging In to the ECS Using VNC to Check Migration Management Node Logs
Logging In to the ECS Using CloudShell to Check Migration Management Node Logs
Connecting to the File Directory Through SFTP
Practices of Resource Discovery and Evaluation
Collecting Details of Azure Kubernetes Service (AKS) Resources
Collecting Details of Google Cloud GKE Resources
Collecting Details of AWS Container Resources
Collecting Basic Information About Self-built Databases and Evaluating Specifications and Risks
Verifying Big Data Consistency After Migration
Verifying the Consistency of Data Migrated from MaxCompute to DLI
Verifying the Consistency of Data Migrated Between MRS ClickHouse Clusters
Verifying the Consistency of Data Migrated from Alibaba Cloud EMR ClickHouse to Huawei Cloud MRS ClickHouse
Verifying the Consistency of Data Migrated from Alibaba Cloud ApsaraDB for ClickHouse to Huawei Cloud MRS ClickHouse
Verifying the Consistency of Data Migrated from Alibaba Cloud ApsaraDB for ClickHouse to Huawei Cloud CloudTable (ClickHouse)
Verifying the Consistency of Data Migrated Between MRS Doris Clusters
Verifying the Consistency of Data Migrated Between MRS Hive Clusters or from CDH or EMR to MRS Hive
Verifying the Consistency of Data Migrated from MaxCompute to MRS Hive
Verifying the Consistency of Data Migrated Between MRS HBase Clusters
Verifying the Consistency of Data Migrated from Alibaba Cloud ApsaraDB for HBase Standard Edition to Huawei Cloud MRS HBase
Verifying the Consistency of Data Migrated from Alibaba Cloud ApsaraDB for HBase Enhanced Edition to Huawei Cloud MRS HBase
Verifying the Consistency of Data Migrated from Delta Lake (with Metadata) to MRS Delta Lake
Verifying the Consistency of Data Migrated from Delta Lake (Without Metadata) to MRS Delta Lake
Verifying the Consistency of Data Migrated from Hudi (with Metadata) to MRS Hudi
Verifying the Consistency of Data Migrated from Hudi (Without Metadata) to MRS Hudi
Verifying the Consistency of Data Migrated from Alibaba Cloud Lindorm to Huawei Cloud MRS HBase
Verifying the Consistency of Data Migrated from Alibaba Cloud Lindorm to Huawei Cloud CloudTable (HBase)
Verifying the Consistency of Data Migrated from Alibaba Cloud ApsaraDB for HBase Enhanced Edition to Huawei Cloud CloudTable (HBase)
Verifying the Consistency of Data Migrated from Alibaba Cloud ApsaraDB for HBase Standard Edition Version 1.X to Huawei Cloud CloudTable (HBase)
Migrating Big Data Without Using the Internet
FAQs
Product Consultation
How Do I Assign the Permissions Required for Using MgC to IAM Users?
Where Is MgC Available?
How Do I Prepare for Using MgC?
How Do I Fix the Error "Failed to access IAM. Check the current user's IAM permissions"?
Why Can't I Sign the Privacy Statement and Use MgC?
How Does MgC Ensure Data Security?
Does Data Collection Affect My Source Services?
Network Settings
What Can I Do If a Source Server Fails the Migration Readiness Check Because Its IP address or Port Is Unreachable?
What Can I Do If a Source Server Fails the Migration Readiness Check Because the Username or Password Is Incorrect?
How Do I Fix the Error "Deliver Command to MgC Agent Failed" When a Source Server Fails the Migration Readiness Check?
What Can I Do If a Source Server Fails the Migration Readiness Check Due to an Unreachable Port, Incorrect Firewall Settings, or Insufficient Access Permissions?
What Can I Do If Deep Collection Fails on a Source Server Due to Disabled WinRM or an Unreachable IP Address or Port?
Server Migration
What Are the Notes, Constraints, and Precautions for Server Migration?
What Are the Differences Between Target and Source Servers After the Migration?
How Do I View the Migration Progress When the Migration Workflow Is in the Running State?
Why the Workflow Status Is Always "Running"?
How Do I Fix the Error "MgC Agent is not accessible" When a Step in the Migration Workflow Fails?
How Do I Fix the Error "server require to bind credential first ..." When the Migration Workflow Fails on a Source Server?
How Do I Handle Resource Exceptions during a Batch Server Migration?
What Are the Known Errors Related to Server Migration Workflows and How Can I Fix Them?
What Can I Do If an Error Occurs During the Migration of a VMware Server?
What Are the Information Mappings Between MgC and SMS?
Why Is the Migration Progress Inconsistent Between MgC and SMS?
What Do I Do If I Use a sudo User to Migrate a Source Server and the Server Fails the Source Environment Check?
What Can I Do If the "StartUpAgent" Step Fails and the Error Message "System.OutOfMemoryException" Is Displayed?
How Do I Fix the Error "SMS-Workflow.0503: SMS migration task failed. SMS.xxxx?"
What Do I Do If Some Disks Are Not Attached to the Target Server After the Migration Is Complete?
How Do I Fix the Error "Edge failed to execute shell job" When the Server Migration Workflow Runs to the StartUpAgent Step?
How Do I Migrate a Windows Source Server as a Non-Administrator User?
Storage Migration
What Are the Restrictions on Using MgC for Storage Migration?
What Are the Requirements for the Source and Target Environments?
How Do I Choose the Right Specifications for a Migration Cluster?
What Affects the Migration Speed of Large Objects?
What Affects the Migration Speed of Small Objects?
How Do I View Key Metrics that Affect the Migration Speed?
Why Is My Storage Migration Workflow Stalled for a Long Time?
When I Migrate HTTP/HTTPS Data to Huawei Cloud OBS, How Are the Objects with the Same Name but Different URLs Processed?
During Data Migration from OBS to NAS on Huawei Cloud, What Will Happen If Source Objects Have Identical Names But Different Letter Cases?
What Are the Constraints on the Length of Object Paths for Migrations Between OBS, NAS, and SMB Storage Systems on Huawei Cloud?
How Do I Resolve the Problem that a Migration Cluster Fails to Be Created?
How Do I Obtain Credentials for Accessing Microsoft Azure?
What Do I Do If the Storage Migration Workflow Fails and "COMPARISON_ATTRIBUTE_NOT_SAME" Is Displayed?
How Do I Choose Storage Classes?
What Do I Do If a Migration Task Fails?
What Can I Do If Flow Control Is Triggered During Migration?
Why Does the Final Number of Files Increase When a Task for Migration from NAS_NFS_V3_MOUNT Is Paused and Resumed?
What Are the Differences Between OMS and MgC in Storage Migration?
How Do I Update the Credential of a Created Migration Workflow?
Cross-AZ Server Migration
Are There Any Precautions I Need to Take When Performing a Cross-AZ Migration?
How Long Does Migration Take and Is Downtime Required?
How Can I Migrate Xen ECSs?
Why Are My Windows Data Disks Missing After the Migration?
What Are the Known Errors Related to Cross-AZ Migration Workflows and How Can I Fix Them?
TCO Analysis
Which Cloud Vendors Are Supported for TCO Analysis?
How Are the Estimated Prices Calculated?
Resource Discovery
Known Resource Discovery Problems and Solutions
Where Can I Find the Collection Failure Cause?
What Can I Do If an Internet Discovery Task Fails and the Error Message "Network connection timed out" or "Other exception" Is Displayed?
How Do I Collect Data from a Data Source Again If the Previous Collection Fails?
How Do I Obtain Cloud Platform Credentials (AK/SK Pairs)?
How Do I Obtain Azure Credentials?
How Do I Obtain the Permissions Required for Collecting Details of Azure Resources?
How Do I Convert the Encoding Format of a CSV File to UTF-8?
What Can I Do If the Collected Disk Information Is Empty or Incorrect After a Deep Collection Is Performed for a Windows Source Server?
What Can I Do If the Collected OS Information Is Incorrect After a Deep Collection Is Performed for a Windows Source Server?
What Can I Do If an RVTools Import Fails?
What Do I Do If the Deep Collection Succeeds on a Source Server but Some Specifications Information Is Not Collected?
How Do I Install VMware Tools on a VMware VM?
How Do I Export All Alibaba Cloud Resource Details?
How Do I Export All Azure Resource Details?
How Do I Export Resource Details with AWS Resource Explorer?
Target Recommendations
Where Can I Find the Assessment Failure Cause?
Why Can't I Manually Select Target Server Specifications and Disk Types?
What Can I Do If a Server Assessment Fails and the System Displays a Message Indicating No Proper Specifications Are Matched?
What Can I Do If a Server Assessment Fails Because the Target Server Specifications Do Not Support Windows Images?
How Does MgC Generate Target Database Recommendations?
How Does MgC Generate Target Server Recommendations?
Big Data Migration
What Can I Do If the Data Migration Fails Because the DLI Throttling Threshold Has Been Reached?
What Can I Do If Some Tables Fail to Be Migrated Due to the Error "CRC Check Failed"?
How Do I Fix the Error "no more field nodes for field %s and vector %s" When Some Tables Fail to Be Migrated?
Big Data Verification
What Do I Do If the Credential List Is Empty When I Create a Data Connection for Big Data Verification?
Why Are 0 or -1 Displayed in the Hive Verification Results?
Why Does a Field in Hive Fail the Sum Verification?
Why Do a Large Number of Tables Fail to Be Verified in a DLI Verification Task?
How Do I Optimize the Verification Task When the Delta Lake Data Volume Is Large?
How Do I Replace Packages Before I Create a Connection to a Secured HBase Cluster on the Target Cloud?
How Do I Replace Packages When I Create a Verification Task for an MRS 3.1.0 Cluster Using Yarn?
What Can I Do If a Task Fails to Be Synchronized After Being Created?
Error Codes and Solutions
General Reference
Glossary
Shared Responsibilities
Service Level Agreement
White Papers
Endpoints
Permissions