use backup enviroment var for top-level backup dir

diff --git a/gnt-lv-snap-rsync.sh b/gnt-lv-snap-rsync.sh
index bd03f48..d7224dd 100755 (executable)
--- a/gnt-lv-snap-rsync.sh
+++ b/gnt-lv-snap-rsync.sh
@@ -2,6 +2,7 @@
 
 instance=$1
 disk=$2
+test -z "$backup" && backup="backup"
 
 if [ "$1" = '-' ] ; then
        read instance disk
@@ -32,7 +33,7 @@ cat <<__SHELL__ > /dev/shm/$instance.sh
        test ! -z "\$offset" && offset=",offset=\$offset"
        mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime\$offset
 
-       rsync -ravHzXA --inplace --numeric-ids --delete /dev/shm/$lv.snap/ lib15::backup/$instance/$disk_nr/
+       rsync -ravHzXA --inplace --numeric-ids --delete /dev/shm/$lv.snap/ lib15::$backup/$instance/$disk_nr/
 
        umount /dev/shm/$lv.snap
 
@@ -47,7 +48,7 @@ __SHELL__
        ssh $node sh -xe /dev/shm/$instance.sh
 
        date=`date +%Y-%m-%d`
-       ssh lib15 zfs snap lib15/backup/$instance/$disk_nr@$date
+       ssh lib15 zfs snap lib15/$backup/$instance/$disk_nr@$date
 done