redis cluster_error ai_generated true

Sentinel failover: no good replica found

ID: redis/sentinel-failover-failed

Also available as: JSON · Markdown
75%Fix Rate
80%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
7 active — — —

Root Cause

Sentinel cannot promote any replica to master.

generic

Workarounds

  1. 88% success Ensure replicas are connected and synced: SENTINEL replicas mymaster
  2. 85% success Check Sentinel quorum configuration matches deployment

Dead Ends

Common approaches that don't work:

  1. Force failover to any replica regardless of state 85% fail

    Data loss from stale replica

  2. Remove Sentinel and manage manually 80% fail

    No automatic failover