Help Center/ Data Replication Service/ User Guide (Paris Region) / Troubleshooting/ Solutions to Failed Check Items/ Database Parameters/ Checking Whether the MongoDB Instance Type Matches the Migration Mode

Updated on 2022-12-08 GMT+08:00

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Checking Whether the MongoDB Instance Type Matches the Migration Mode

MongoDB Migration

**Table 1** Checking whether the MongoDB instance type matches the migration mode
Check Item	Whether the MongoDB instance type matches the migration mode
Description	Check whether the MongoDB instance type matches the migration mode. If not, the migration fails.
Failure Cause and Handling Suggestion	Failure cause: When a DRS task is created, the source DB instance type is set to Cluster, but the source database is not a cluster. Handling suggestion: If the source DB instance type is set to Cluster, ensure that the source database is a cluster database.

Parent topic: Database Parameters

Previous topic: Checking Whether session_replication_role of the Destination Database Is correctly Set

Next topic: Checking the Physical Standby Database

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