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# Backup Advanced - **ADVANCED** Engine-level knobs most users won't need to touch
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CFG_BACKUP_ENGINE=restic                                       # Default Backup Engine - Fallback engine for new locations (each location can override) [restic:restic|borg:BorgBackup|kopia:Kopia]
CFG_BACKUP_STRATEGY=stop-snapshot-start                        # Backup Strategy - How containers are quiesced before snapshotting [stop-snapshot-start:Stop → snapshot → start (safe default)|pause-snapshot-unpause:Pause → snapshot → unpause (less downtime)|live:Live — snapshot while running (only with DB dump hooks)]
CFG_BACKUP_VERIFY_AFTER=true                                   # Verify After Backup - Run integrity check after each backup
CFG_BACKUP_VERIFY_DATA_PERCENT=5                               # Verify Data Sample % - Percentage of repo data to checksum-verify weekly
CFG_BACKUP_PARALLEL_REPOS=true                                 # Parallel Repos - Push to all enabled locations in parallel