X-Git-Url: http://git.rot13.org/?p=sysadmin-cookbook;a=blobdiff_plain;f=recepies%2Fganeti%2Frestore-to-zfs-vol.sh;fp=recepies%2Fganeti%2Frestore-to-zfs-vol.sh;h=91a9d833e36e15e044b1069f4e686ef17f758075;hp=0000000000000000000000000000000000000000;hb=735359ae960c8ac718d50e5aec449c699ee73416;hpb=9b89d66043c9798798da848e92fe41ab97abb29c

diff --git a/recepies/ganeti/restore-to-zfs-vol.sh b/recepies/ganeti/restore-to-zfs-vol.sh
new file mode 100755
index 0000000..91a9d83
--- /dev/null
+++ b/recepies/ganeti/restore-to-zfs-vol.sh
@@ -0,0 +1,59 @@
+#!/bin/sh -e 
+
+pool=workshop
+
+instance=koha.ffzg.hr
+size=60G
+instance=prod.vbz.ffzg.hr
+instance=bookreader.rot13.org
+
+if [ -z "$1" ] ; then
+	zfs list -r $pool/block
+	echo
+	test -e "/mnt/*" && df -h /mnt/* | grep -v aufs
+	echo
+	du -hcs /$pool/ganeti/export/* | cut -d/ -f1,5
+	exit 1
+else
+	instance=$1
+fi
+
+umount /mnt/$instance || true
+zfs destroy $pool/block/$instance || true
+
+zfs create -V $size -b 4k -s $pool/block/$instance
+
+test -d /mnt/$instance || mkdir /mnt/$instance
+
+wait_for() {
+	echo -n "waiting for $1 " 
+	while [ ! -e $1 ] ; do
+		echo -n .
+		sleep 1
+	done
+	echo " found"
+}
+
+wait_for /dev/zvol/$pool/block/$instance
+
+label=`echo $instance | cut -d. -f1`
+echo "label $label = $instance"
+
+time mkfs.ext4 -m 0 -L $label /dev/zvol/$pool/block/$instance 
+
+wait_for /dev/disk/by-label/$label
+
+mount /dev/disk/by-label/$label /mnt/$instance/
+cd /mnt/$instance/
+dump=`ls /$pool/ganeti/export/$instance/*.disk0*.snap`
+ls -alh $dump
+zpool iostat 2 | tee /dev/shm/$instance &
+pid_iostat=$!
+( while true; do zfs list $pool/block/$instance ; sleep 10 ; done ) &
+pid_list=$! 
+time restore rf $dump
+kill $pid_iostat
+kill $pid_list
+
+wc -l /dev/shm/$instance
+df -h /mnt/$instance