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Snapshot Failed

Severity: High
Elasticsearch Version: 8.5.0

Problem

Snapshot creation fails with error indicating repository corruption or access issues

Root Cause

Repository configuration error or disk space exhaustion on snapshot node

How to Detect

Symptoms

  • Snapshot failure logs with error codes
  • Repository status shows 'corrupted' or 'unavailable'
  • Disk usage on snapshot node exceeds threshold

Commands

GET _snapshot/_status
GET _cat/nodes?v
GET _cluster/health

Remediation Steps

  1. Verify repository configuration and credentials
  2. Check disk space on snapshot node and free space if needed
  3. Re-register or recreate the snapshot repository
  4. Manually delete incomplete snapshots if necessary
  5. Retry snapshot creation

Prevention

  • Monitor disk space regularly on snapshot nodes
  • Implement automated alerts for repository health
  • Schedule periodic repository integrity checks
  • Ensure proper permissions and network access for repository

Production Example

curl -X GET "localhost:9200/_snapshot/_status"
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