Migration Center
Migration Center
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" in this service
All results for "
" in this service
What's New
Function Overview
Service Overview
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
Shared Responsibilities
MgC Permissions
Notes and Constraints
Supported OSs
Related Services
Getting Started
Quick Start
Preparations
Quickly Migrating Servers in Batches
User Guide
New Edition
Permissions Management
Using IAM to Grant Access to MgC
MgC Custom Policies
Agency Permissions
Using Roles or Policies to Assign Custom Permissions to IAM Users
AUsing Identity Policies to Assign Custom Permissions to IAM Users
Settings Management
Managing Projects
Managing Credentials
Migration Journeys
TCO Analysis
TCO Analysis for On-Prem to Cloud Migration
TCO Analysis for Cross-Cloud Migration Using Credentials
TCO Analysis for Cross-Cloud Migration Using Bills
Questionnaires
Resource Discovery and Management
Online Discovery
Intranet Discovery
Importing RVTools Data
Importing Details of Cloud Resources
Importing Application Associations
Importing Collected Data
Manually Adding Resources
Collecting Server Performance Data
Grouping Resources as Applications
Exporting Resource Details
Application Management
Creating an Application
Adding Discovered Resources to an Application
Manually Adding Source Resources to an Application
Collecting Server Performance Data
Migration Path Planning
Generating Target Recommendations
Assessing Migration Risks
Estimating Storage Migration Costs
Big Data Migration Assessments
Migration Plans (New)
Creating a Batch Server Migration Plan
Creating a Cross-AZ Server Migration Plan
Creating a Batch Object Storage Migration Plan
Creating a Batch File Storage Migration Plan
Migration Workflows (New)
Workflow Quotas
Creating a Batch Server Migration Workflow
Creating a Cross-AZ Server Migration Workflow
Creating a Storage Migration Workflow
Creating a Batch Object Storage Migration Workflow
Creating a Batch File Storage Migration Workflow
Adding a Stage or Step
Preparations for Big Data Migration
Deploying the MgC Agent (Formerly Edge)
Collecting Metadata
Creating a Metadata Connection
Creating a Metadata Collection Task
Creating a Data Lake Metadata Collection Task
Viewing Metadata
Collecting Data Lineage
Overview
Creating a Lineage Collection Task
Viewing Data Lineage
Big 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
Big 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
Viewing and Exporting Verification Results
Custom Parameters
Migration Partners
Migration Clusters
Billing
Creating a Migration Cluster
Managing a Migration Cluster
Cluster Statuses
Migration Cluster Resources and Settings
Migration Solutions (Offline Soon)
Getting Target Recommendations
Associating Source Servers with Target Servers
Purchasing Resources
Assessing Migration Risks
Migration Plans (Offline Soon)
Creating a Server Migration Plan
Creating a Batch Object Storage Migration Plan
Creating a Batch File Storage Migration Plan
Migration Workflows (Offline Soon)
Workflow Quotas
Creating a Server Migration Workflow
Creating a Cross-AZ Migration Workflow
Creating a Storage Migration Workflow
Creating a Batch Object Storage Migration Workflow
Creating a Batch File Storage Migration Workflow
Adding a Stage or Step
Old Edition
Permissions Management
Creating a User and Granting MgC Permissions
MgC Custom Policies
Agency Permissions
IAM User Permissions
Settings Management
Managing Migration Projects
Managing Credentials
Migration Surveys
TCO Analysis (Credential)
TCO Analysis (Bill)
Questionnaires
Storage Migration Cost Survey
Resource Discovery
Complex Project
Discovering Resources over the Internet
Discovering Resources over an Intranet
Importing Application Associations
Importing Discovery Results
Importing Details of Alibaba Cloud Resources
Importing RVTools Data
Simple Project
Discovering Resources over the Internet
Discovering Resources over an Intranet
Importing Details of Alibaba Cloud Resources
Importing RVTools Data
Manually Adding Resources
Collecting Server Performance Data
Grouping Resources as Applications
Application Management
Creating an Application
Adding Discovered Resources to an Application
Manually Adding Custom Resources to an Application
Collecting Server Performance Data
Big Data Lineage
Installing Edge
Collecting Metadata
Creating a Metadata Connection
Creating a Metadata Collection Task
Creating a Data Lake Metadata Collection Task
Viewing Metadata
Collecting Data Lineage
Overview
Exporting Jobs
Creating a Lineage Collection Task
Viewing Data Lineage
Migration Solutions
Associating Source Servers with Target Servers
Getting Target Recommendations
Purchasing Resources
Assessing Migration Risks
Migration Plans
Creating a Server Migration Plan
Creating a Batch Storage Migration Plan
Creating a Batch File Storage Migration Plan
Migration Clusters
Creating a Migration Cluster
Managing a Migration Cluster
Billing
Cluster Statuses
Migration Cluster Resources and Settings
Migration Workflows
Workflow Quotas
Creating a Server Migration Workflow
Creating a Cross-AZ Migration Workflow
Creating a 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
Precautions
Preparations
Creating a Source Connection
Creating a Target Connection
Migrating Big Data
Migrating Full Metadata
Scanning for Incremental Metadata
Migrating Full Data
Migrating Incremental Data
Viewing and Exporting Task Execution Results
Custom Parameters
Big Data Verification
Overview
Preparations
Creating a Connection to the Source
Creating a Connection to a Source Cloud Service
Creating a Connection to a Source Component
Creating a Table Group and Adding Tables to the Group
Creating a Connection to the Target
Creating an Executor Connection
Creating a Connection to a Target Cloud Service
Creating a Connection to a Target Component
Creating and Executing Verification Tasks
Viewing and Exporting Verification Results
Custom Parameters
MgC Agent Usage Guide
MgC Agent Overview
OSs That Can Be Collected and Migrated
Installing the MgC Agent (Formerly Edge)
Installing the MgC Agent on Windows
Installing the MgC Agent on Linux
Resource Management
Discovering Servers
Adding Resources
Connecting the MgC Agent to MgC
Connecting the MgC Agent to MgC
Configuring Huawei Cloud Credentials
Settings Management
Adding Resource Credentials
Configuring an OBS Bucket
Managing MgC Agents
Event Recording
Collector-based Discovery
Creating a Resource Collection Task
Managing Collectors
Configuring Collector Parameters
Linux Process and Network Collector (app-discovery-process-netstat-linux)
Windows Process and Network Collector (app-discovery-process-netstat-win)
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?
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
Overview
Preparations
Step 1: Download and Install the MgC Agent (Formerly Edge)
Step 2: Discover Alibaba Cloud ECSs
Step 3: Assess Migration Readiness
Step 4: Get Target Recommendations
Step 5: Create a Server Migration Workflow
One-stop Cross-AZ ECS Migration
Migrating Servers Across AZs on Huawei Cloud
Migrating Servers to FlexusX Instances (Original HECS X Instances)
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 the PowerShell Remoting?
How Do I Enable the WinRM Service?
What Can I 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?
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 Migration Workflow
(Optional) Clearing the Migration Cluster
Moving Data Between NAS Systems and Switch 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
Reducing Disk Capacity for Target Servers
Resizing Disks and Partitions for Target Servers
Collecting Details of Azure Kubernetes Service (AKS) Resources
Collecting Details of Google Cloud GKE Resources
Collecting Details of AWS Container Resources
Collecting Details of Self-built Oracle Databases
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 Delta Lake (with Metadata) to MRS Delta Lake
Verifying the Consistency of Data Migrated from Delta Lake (Without Metadata) to MRS Delta Lake
Migrating Big Data Without Using the Internet
BigData Migration Cockpit
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?
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?
When I Migrate Data from OBS to NAS on Huawei Cloud, What Will Happen If There Are Objects with the Same Name but Different Capitalization at the Source?
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?
Cross-AZ Migration
Are There Any Precautions I Need to Take When Performing a Cross-AZ Migration?
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 Required Credentials Before Using MgC to Perform a Deep Collection for My Azure Object Storage Resources?
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?
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?
What Types of Databases Can I Assess Using MgC?
How Does MgC Generate Target 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?
Known Issues and Solutions
General Reference
Glossary
Service Level Agreement
White Papers
Endpoints
Permissions