May 26, 2018

Simple sh script to make zfs rolling snaphosts with cron

zfSnap is a simple sh script for creating ZFS snapshots. When called from cron rolling snapshots can be created and deleted automatically. The main advantage of zfSnap is that it is written in 100 pure /bin/sh, does not require any additional software to run, and is simple to use.

zfSnap keeps all information about snapshot in snapshot name. zfs snapshot names are in form Timestamp–TTL where timestamp is date and time of snapshot creation and TTL is Time To Live in human readable form.

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