zsnapshot

#!/bin/sh

# This script will rsync various directories to ZFS and snapshot them.
# (c) 2007 Chris Samuel

# This script is licensed under the GPL v3 license or later.
# http://www.gnu.org/copyleft/gpl.html

# First work out the datestamp to be used for all snapshots.

date=$(date +%Y%m%d-%H%M)

echo Snapshot will be labelled $date

# First mount our ZFS filesystems

zfs mount -a

sleep 5

if [ \! -f /srv/ZFS/etc/motd ]; then
	echo "ZFS start failed!"
	sleep 60
	stop zfs
	exit 1
fi

# Snapshot top level directories we care about.

for i in etc home; do

	echo Processing $i

	# If they don't exist then create them, turn on compression.

	if [ ! -d /srv/ZFS/$i ]; then
		zfs create ZFS/$i
		zfs set compression=on ZFS/$i
		zfs set snapdir=visible ZFS/$i
	fi

	time rsync --inplace --no-whole-file --delete-excluded --exclude .beagle --exclude .bibble --exclude .googleearth --exclude .thumbnails -a /$i/ /srv/ZFS/$i/

	zfs snapshot ZFS/$i@$date

done

# Snapshot directories under /srv

for i in Subversion; do

	echo Processing $i

	# If they don't exist then create them, turn on compression.

	if [ ! -d /srv/ZFS/$i ]; then
		zfs create ZFS/$i
		zfs set compression=on ZFS/$i
		zfs set snapdir=visible ZFS/$i
	fi

	time rsync --inplace --no-whole-file --delete-excluded --exclude .beagle --exclude .bibble --exclude .googleearth --exclude .thumbnails -a /srv/$i/ /srv/ZFS/$i/

	zfs snapshot ZFS/$i@$date

done

# Now unmount our ZFS filesystems

zfs umount -a

# All done!