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Snapshot Failed

Severity: High
Elasticsearch Version: 8.5.0

Problem

Snapshot creation fails with error indicating repository access issues

Root Cause

Incorrect repository configuration or insufficient permissions on the snapshot repository

How to Detect

Symptoms

  • Snapshot creation logs show access denied or repository not found errors
  • Cluster health remains green but snapshot status is failed
  • Monitoring alerts for snapshot failures

Commands

GET _snapshot/_status
GET _cat/repositories?v
GET _cluster/state/metadata/snapshots

Remediation Steps

  1. Verify repository configuration in elasticsearch.yml and ensure correct path or URL
  2. Check repository permissions and credentials if using remote repositories
  3. Test repository connectivity and access rights
  4. Re-register or reconfigure the snapshot repository if misconfigured
  5. Retry snapshot creation after fixing configuration

Prevention

  • Implement configuration validation scripts for repository settings
  • Regularly audit repository permissions and credentials
  • Automate snapshot health checks and alerts

Production Example

curl -X PUT "localhost:9200/_snapshot/my_backup" -H 'Content-Type: application/json' -d'{"type": "fs", "settings": {"location": "/mount/backups/my_backup"}}'
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