don't send data to influx from gnt-i

[gnt-info] / gnt-lv-snap-rsync.sh

diff --git a/gnt-lv-snap-rsync.sh b/gnt-lv-snap-rsync.sh
index 5c2c231..b2025d8 100755 (executable)
--- a/gnt-lv-snap-rsync.sh
+++ b/gnt-lv-snap-rsync.sh
@@ -1,9 +1,19 @@
 #!/bin/sh -e
 
-instance=pauk
-disk=2
+instance=$1
+disk=$2
+
+if [ "$1" = '-' ] ; then
+       read instance disk
+elif [ -z "$instance" -o -z "$disk" ] ; then
+       echo "Usage: $0 instance disk"
+       exit 1
+fi
+
+test -z "$instance" && exit 1
+
+instance=`gnt-instance list --no-headers -o name $instance | head -1`
 
-instance=`gnt-instance list --no-headers -o name $instance`
 node=`gnt-instance list -o pnode --no-headers $instance`
 echo "# $instance on $node"
 
@@ -11,13 +21,25 @@ ssh $node lvs -o name,tags | grep $instance | tee /dev/shm/$instace.$node.lvs |
        disk_nr=`echo $lv | cut -d. -f2 | tr -d a-z_`
        echo "# $lv | $origin | $disk_nr"
 
-cat <<__SHELL__ | tee /dev/shm/$instance.sh
+cat <<__SHELL__ > /dev/shm/$instance.sh
+
        lvcreate -L20480m -s -n$lv.snap /dev/ffzgvg/$lv
+
        mkdir /dev/shm/$lv.snap
-       mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap
-       rsync -ravHz --numeric-ids --sparse --delete /dev/shm/$lv.snap/ lib15::backup/$instance/$disk_nr/
+
+       # we must mount filesystem read-write to allow journal recovery
+       offset=\`fdisk -l /dev/ffzgvg/$lv.snap -u | grep Linux$ | grep /dev/ffzgvg/$lv.snap | head -1 | sed 's/\*/ /' | awk '{ print \$2 * 512 }'\`
+       test ! -z "\$offset" && offset=",offset=\$offset"
+       mount /dev/ffzgvg/$lv.snap /dev/shm/$lv.snap -o noatime\$offset
+
+       rsync -ravHz --inplace --numeric-ids --delete /dev/shm/$lv.snap/ lib15::backup/$instance/$disk_nr/
+
        umount /dev/shm/$lv.snap
+
        lvremove -f /dev/ffzgvg/$lv.snap
+
+       rmdir /dev/shm/$lv.snap
+       rm -v /dev/shm/$instance.sh
 __SHELL__
 
        scp /dev/shm/$instance.sh $node:/dev/shm/$instance.sh