Important: MSR 2.9.x reaches End of Life (EOL) on 2026-DEC-01. Mirantis strongly recommends upgrading to the latest supported version to continue receiving updates, fixes, and support. Disaster recovery¶ Disaster recovery overview Replica is unhealthy but cluster maintains quorum The majority of replicas are unhealthy All replicas are unhealthy Repair a single replica Split-brain scenario Remove replicas Join replicas Repair a cluster Diagnose an unhealthy cluster Perform an emergency repair Create a backup Data managed by MSR Back up MSR data Locate your replica ID Back up image content Back up MSR metadata Test your backup Restore from backup