Manual intervention required to safely resolve
Production Risk
HIGH
This is a generic but serious error code indicating a state from which the server cannot automatically recover, often related to replication or sharding configuration. It requires a database administrator to investigate and take manual corrective action.
- 1Inconsistent metadata across replica set members after a faulty failover
- 2Sharding metadata in the config servers is in a conflicting or invalid state
- 3A failed chunk migration that leaves data in an inconsistent state
- 4Problems during a replica set member's initial sync process
This error is not triggerable through normal application queries. It occurs during server state transitions, often found in the `mongod` logs during startup or after a topology change.
// This error is found in server logs, not as a direct result of a client command. // Example log message: // "Manual intervention required to resolve inconsistent metadata..."
expected output
MongoServerError: Manual intervention required
Fix 1
Review Server Logs
WHEN This error is encountered.
Why this works
The `mongod` logs are the primary source of information. They will contain detailed messages explaining the context of the error, which is the first step to diagnosing the underlying problem.
Fix 2
Follow Specific Documentation
WHEN The log message indicates a specific problem (e.g., failed chunk migration).
Why this works
Search the MongoDB documentation for the specific error message found in the logs. There are often detailed, step-by-step recovery procedures for known inconsistent states.
Fix 3
Contact MongoDB Support
WHEN The cause is not clear or you are unsure how to proceed.
Why this works
This error can be complex and involve risks to data integrity. If you are not confident in the recovery procedure, it is best to seek expert help from MongoDB's support team.
✕ Reboot nodes randomly hoping the problem resolves itself
This is unlikely to work and can worsen the inconsistent state. A methodical approach based on log analysis is required.
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