zfsSnap

ZFS Snapshot automatic create/destroy script

root@swamp:/swamptank/scripts# ./zfsSnap.sh

./zfsSnap.sh [create|destroy] [snapshotName] [olderThan]

Examples

root@host:~# ./zfsSnap.sh create tank/media@minute

root@host:~# ./zfsSnap.sh destroy tank/media@minute 60

Crontab examples

Hourly

0 * * * * /tank/scripts/zfsSnap.sh create tank/media@hourly

0 * * * * /tank/scripts/zfsSnap.sh destroy tank/media@hourly 3600

Daily

@daily /tank/scripts/zfsSnap.sh create tank/media@daily

@daily /tank/scripts/zfsSnap.sh destroy tank/media@daily 86400

Weekly

@weekly /tank/scripts/zfsSnap.sh create tank/media@weekly

@weekly /tank/scripts/zfsSnap.sh destroy tank/media@weekly 604800

Monthly

@monthly /tank/scripts/zfsSnap.sh create tank/media@autoMonthly

** Keep monthly for 15552000 (6 months) **

@monthly /tank/scripts/zfsSnap.sh destroy tank/media@autoMonthly 15552000

3600 seconds is 1 hour | 86400 seconds is 24 hours | 604800 seconds is 7 days