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add 3-2-1 backup pipeline: weekly PVC file copy, NFS mirror, pfsense, offsite sync

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- weekly-backup.sh: mounts LVM thin snapshots ro, rsyncs files to /mnt/backup/pvc-data
  with --link-dest versioning (4 weeks). Also mirrors NFS backup dirs from TrueNAS,
  backs up pfsense (config.xml + full tar), PVE host config, and prunes >7d snapshots.
- offsite-sync-backup.sh: rsync --files-from manifest to Synology (no full dir walk).
  Monthly full --delete sync on 1st Sunday. After=weekly-backup.service dependency.
- lvm-pvc-snapshot.timer: changed to daily 03:00 (was 2x daily)
- Prometheus alerts: WeeklyBackupStale, WeeklyBackupFailing, PfsenseBackupStale,
  OffsiteBackupSyncStale, BackupDiskFull. LVMSnapshotStale threshold 24h→48h.
This commit is contained in:
Viktor Barzin 2026-04-06 14:53:28 +03:00
parent 09b4bad958
commit d009f9a0f2
8 changed files with 422 additions and 2 deletions
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11
scripts/weekly-backup.service Normal file
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[Unit]
Description=Weekly backup: rsync NFS to sda + prune snapshots
After=network-online.target
[Service]
Type=oneshot
ExecStart=/usr/local/bin/weekly-backup
StandardOutput=journal
StandardError=journal
SyslogIdentifier=weekly-backup
TimeoutStartSec=3600