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Full Phase Error: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. Scenarios During a full migration or synchronization, an error is reported, and the log information is as
Full Migration Error: The background process is unavailable. Maybe it has been killed manually or by the operating system. Please restart the task if possible or wait for restarting by itself within 5 minutes." Scenarios During real-time migration from MongoDB to DDS, an error is
Incremental Phase Error: Slave has more GTIDs than the master has, using the master's SERVER_UUID. Scenarios During an incremental migration or synchronization, an error is reported, and the log information is as follows: service LOGMANAGER failed, cause by: Received error packet:
Incremental Synchronization Error: timeout when get next file log, maybe has been deleted, please check it. Scenarios During an incremental synchronization with Oracle serving as the source, an error is reported, and the log information is as follows: service CAPTURE failed, cause
Incremental Phase Error: source has more columns than target Scenarios During an incremental migration or synchronization, an error is reported, and the log information is as follows: service INCREMENT failed, cause by: Check table structure consistency fail! Table %s in source has
Full Synchronization Error: has date/datetime: *** which is outside of dest allowed range Scenarios During a full synchronization from Oracle to MySQL, an error is reported, and the log information is as follows: service DATAMOVE failed, cause by: java.lang.InterruptedException: Database
Whether the Maximum Number of Indexed Columns Has Been Reached DB2 for LUW -> GaussDB Synchronization Table 1 Whether the maximum number of indexed columns has been reached Check Item Whether the maximum number of indexed columns has been reached Description The number of indexed
What Do I Do If the Maximum Index Length Has Been Reached During Migration from Oracle to MySQL? Index Length The maximum length of each MySQL index is limited, which depends on the type of DB engine and character set. For example, each UTF8 character set contains a maximum of three
Checking Whether the Destination Server Has Sufficient Storage Space Table 1 Checking whether the destination server has sufficient storage space Check Item Whether the destination server has sufficient storage space Description If the destination server's storage space is insufficient
Checking Whether the Source Database User Has the Permission to Parse Logs During an incremental synchronization with Oracle serving as the source database, DRS checks the permissions of the source database user. If the source database user does not have the log parsing permission
How Do I Add or Delete Tables in a Synchronization Task That Has Been Started? You can use the function of editing synchronization objects. For details, see Editing Synchronization Objects. Parent topic: Real-Time Synchronization
Checking Whether the Destination Database Has Sufficient Storage Space In the migration phase, DRS uses the row-level parallel migration mode to ensure migration performance and transmission stability. If the source database data is compact, the destination database will use more
Checking Whether the Destination Database Has a Read Replica MySQL Table 1 Checking whether the destination database has a read replica Check Item Whether the destination database has a read replica Description Check whether the destination database has read replicas. If the destination
What Can I Do If A Message Is Displayed Indicating that the User Has Insufficient Permissions Or Does Not Have the Permission to Create a DRS Task? Scenarios When you create a DRS task, the system displays a message indicating that the user has insufficient permissions or does not
Creating an ECS (MySQL Server) This section describes how to buy an ECS for installing a MySQL database (community edition). Log in to the management console. Click in the upper left corner of the management console and select AP-Singapore. Click in the upper left corner of the page
Creating an ECS and Installing a MySQL Client on It Create an ECS for installing a MySQL client by referring to Creating an ECS (MySQL Server). This ECS must be in the same region, AZ, VPC, and security group as the ECS where the MySQL server is deployed. Data disks are not required
Checking Whether the Destination Database Account Has Required Permissions to Migrate Definer MySQL Migration Table 1 Checking Whether the Destination Database Account Has Required Permissions to Migrate Definer Check Item Checking whether the destination database account has required
Checking Whether the Destination Database User Has Sufficient Permissions Check whether the destination database user has sufficient permissions. The destination database user permissions required in the full and incremental phases vary depending on the DB engine. Failure Cause The
Whether the Source Database User Has Sufficient Permissions Check whether the source database user has sufficient permissions. The source database user permissions required in the full and incremental phases vary depending on the DB engine. Failure Cause The source database user does
How Do I Set an Independent Oracle Account That Has the Least Privilege and Uses DRS? To perform a full migration for an Oracle database, you must grant the CREATE SESSION, SELECT ANY TRANSACTION, SELECT ANY TABLE, and the SELECT ANY DICTIONARY permissions to the user. If you need
