#!/bin/bash
# Very basic script to do Daily ZFS Snapshots.
# Useful for rotating backups.

TODAY_DATE=`date +%d%m%y`
DATEINEPOCH=`date +%s`
# 1209600 = 14 days.
REMOVE_EPOCH=`expr $DATEINEPOCH - 1209600`
REMOVE_DATE=`date +%d%m%y -d@$REMOVE_EPOCH`
POOLNAME=pool
FSNAME=filesystem
zfs snapshot -r $POOLNAME/$FSNAME@$TODAY_DATE
zfs destroy -r $POOLNAME/$FSNAME@$REMOVE_DATE