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# Backup Engine - **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_DEFAULT_PATH=                                        # Default Backup Location - Base directory for locations set to Automatic path mode; each location lives in its own numbered subfolder (<path>/<id>). Empty = the LibrePortal backups root (own mount-able).
CFG_BACKUP_STRATEGY=auto                                       # Backup Strategy - How containers are quiesced before snapshotting [auto:Automatic — live where safe, stop otherwise (recommended)|stop-snapshot-start:Stop → snapshot → start (always safe)|pause-snapshot-unpause:Pause → snapshot → unpause (less downtime)|live:Live — snapshot while running (force)]
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