homelab/roles/baikal/files/baikal.backup.sh

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2024-02-13 09:41:35 +01:00
#!/usr/bin/env bash
data_dir='/mnt/data1/baikal'
snapshot_dir="${data_dir}.snapshot"
# Read-only snapshot for atomic backup
btrfs subvolume snapshot -r "$data_dir" "$snapshot_dir" || exit $?
/usr/local/bin/restic backup "$snapshot_dir"
# Always remove snapshot subvolume, even if restic fails
btrfs subvolume delete "$snapshot_dir"