Help Center/ Data Replication Service/ Troubleshooting/ Troubleshooting/ Failure Cases/ Real-Time Migration and Synchronization from MySQL to MySQL/ Incremental Phase Error: Unknown storage engine
Updated on 2025-07-21 GMT+08:00
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Incremental Phase Error: Unknown storage engine

Scenarios

During an incremental migration or synchronization, an error is reported, and the log information is as follows: service INCREMENT failed, cause by: Unknown storage engine 'FEDERATED'; sql is: %s

Possible Causes

When the DDL table creation statement of the source database is replayed in destination database, the source DB engine is not supported by the destination database.

Solution

  1. Contact the user to create a table that supports the destination DB engine in the source database.
  2. Contact Huawei technical support to skip the DDL statement that reports the error.
  3. In the task list, locate the target task and click Resume in the Operation column to resume the task.