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# Backup Integrity
We verify all backups regularly to ensure they are complete, uncorrupted, and restorable.
## Weekly Tasks
- ZFS scrubs for all pools
- Hash checks (SHA-256) for tarballs and dumps
- rsync `--checksum` verification for remote mirrors
## Alerts
- Email/Mastodon alert if:
- ZFS reports checksum errors
- Scheduled backup is missing
- Remote sync fails or lags > 24h
## Tools Used
- `zfs scrub`
- `sha256sum` + custom validation script
- rclone sync logs
- Telegram bot and Genesis Shield notifications
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