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
Data Collected
Permissions and Principles for Data Collection over an Intranet
Permissions Required for Data Collection over the Internet
Permissions
Notes and Constraints
Related Services
Getting Started
Overview
Preparations
Creating a Project
Installing the MgC Agent
Installing the MgC Agent on Windows
Discovering Servers
Online Discovery
Intranet Discovery
Manual Addition
Grouping Servers as Applications
Getting Target Recommendations
Creating a Server Migration Workflow
User Guide
Permissions Management
Creating a User and Granting MgC Permissions
MgC Custom Policies
Agency Permissions
IAM User Permissions
Settings Management
Managing Projects
Managing Credentials
Migration Surveys
TCO Analysis (Access Key)
Questionnaires
Storage Migration Cost Survey
Resource Discovery
Online Discovery
Intranet Discovery
Importing RVTools Data
Importing Details of Alibaba Cloud Resources
Importing Application Associations
Importing Discovery Results
Manually Adding Resources
Collecting Server Performance Data
Grouping Resources as Applications
Application Management
Creating an Application
Adding Discovered Resources to an Application
Manually Adding Resources
Collecting Server Performance Data
Migration 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
Collecting Data Lineage
Overview
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
Migration Workflows
Workflow Quotas
Creating a Server Migration Workflow
Creating a Cross-AZ Migration Workflow
Adding a Stage or Step
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
Preparations
Creating a Source Connection
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 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
MgC Agent Usage Guide
Overview
Downloading and Installing the MgC Agent
Installing the MgC Agent on Windows
Installing the MgC Agent on Linux
Local Discovery and Collection
Connecting the MgC Agent to MgC
Connecting the MgC Agent to MgC
Managing Huawei Cloud Credentials
Agent-based Discovery
Adding Resource Credentials
Configuring an OBS Bucket
Managing MgC Agents
Event Recording
Tool Discovery
Creating a Collection Task
Managing Collectors
Configuring Collector Parameters
Kubernetes Static Collector (app-discovery-k8s)
Kubernetes Conntrack Collector (app-discovery-k8s-conntrack)
Kubernetes Pod Network Collector (app-discovery-k8s-pod-net)
Process and Network Collector (app-discovery-process-netstat)
Windows Process and Network Collector (app-discovery-process-netstat-win)
RabbitMQ Collector (app-discovery-rabbitmq)
Kafka Collector (app-discovery-kafka)
Eureka Collector (app-discovery-eureka)
Redis Collector (app-discovery-redis)
MongoDB Collector (app-discovery-mongodb)
MySQL-General Log Collector (app-discovery-mysql-generallog)
MySQL-JDBC Collector (app-discovery-mysql-jdbc)
Nginx Configuration Collector (app-discovery-nginx)
Cloud VPC Log Collector (app-discovery-cloud-vpc-log)
Nacos Collector (app-discovery-nacos)
Application Configuration Collector (app-discovery-application-config)
Best Practices
Setting JVM Parameters for the MgC Agent
Setting JVM Parameters for the MgC Agent's Tomcat Server
Setting JVM Parameters for Collectors
FAQs
What Are the Requirements for the Server for Installing the MgC Agent?
How Do I Run the MgC Agent in Compatibility Mode?
What Can I Do If the MgC Agent Is Offline?
Why Can't the MgC Agent Start After Being Installed?
MgC Agent for Windows
MgC Agent for Linux
How Do I Upgrade the MgC Agent to the Latest Version?
Upgrading the MgC Agent for Windows
Upgrading the MgC Agent for Linux
How Do I Uninstall the MgC Agent?
Uninstalling the MgC Agent on Windows
Uninstalling the MgC Agent on Linux
How Do I Restart the MgC Agent?
How Do I Check the Current MgC Agent Version?
How Do I Obtain Run Logs of the MgC Agent 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?
Best Practices
Configuring Permissions Required for Server Migration
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
Step 2: Discover Alibaba Cloud ECSs
Step 3: Assess Migration Readiness
Step 4: Create an Application Assessment
Step 5: Create a Server Migration Workflow
One-stop Cross-AZ ECS Migration
Migrating Servers Across AZs on Huawei Cloud
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?
Reducing Disk Capacity for Target Servers
Resizing Disks and Partitions for Target Servers
Collecting Details of Azure Kubernetes Service (AKS) Resources
Collecting Details of AWS Container Resources
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
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
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 Edge 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
Why the Workflow Status Is Always "Running"?
How Do I View the Migration Progress When the Migration Workflow Is in the Running State?
How Do I Fix the Error "Edge 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?"
Cross-AZ Migration
Are There Any Precautions I Need to Take When Performing a Cross-AZ Migration?
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?
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 the 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 Configure the Permissions Required for Collecting Details of Azure Containers?
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 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 When I Create a Verification Task for an MRS 3.1.0 Cluster Using Yarn?
Known Issues and Solutions