Error
Error Code:
335
MongoDB Error 335: Tenant Migration Forgotten State
Description
This error indicates that a multi-tenant migration operation has been left in an inconsistent or forgotten state within the MongoDB cluster. It typically occurs when a tenant migration process was initiated but not successfully completed, rolled back, or properly cleaned up, leading to metadata inconsistencies.
Error Message
Tenant Migration Forgotten
Known Causes
4 known causesIncomplete Tenant Migration
A tenant migration process was started but did not reach a final, consistent state due either to an interruption or a failure in the commit/rollback phase.
Manual Intervention During Migration
An administrator manually stopped or interfered with an ongoing tenant migration operation, preventing its proper conclusion and leaving metadata in an undefined state.
Network or System Failure
Unexpected network outages, server crashes, or power failures occurred during a critical phase of a tenant migration, disrupting the process and leading to a forgotten state.
Configuration Server Inconsistency
The configuration servers (config servers) failed to correctly update or synchronize the state of a tenant migration, resulting in a 'forgotten' status across the cluster.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service