FreeBSD ZFS snapshots with zfstools

In my recent survey of ZFS snapshot automation tools, I short-listed zfstools and zfsnap. I’ll try both, but first we’ll cover FreeBSD ZFS snapshots with zfstools. Zfstools includes a script for creating snapshots, another for removing old snapshots, and one for snapshotting MySQL databases. The configuration uses only ZFS attributes and command line arguments via cron.

Start by deciding which ZFS filesystems you want to snapshot. The purpose of snapshotting is to let you get older versions of...