Improve pre error handling

ROOT/usr/lib/chem-zfs-backup-server/zfs-rsync.sh

@@ -11,7 +11,7 @@ DST=$3
 TAG=${SRC//\//.}
 
 set -e
-#set -xv
+
 LOGDIR=/var/log/chem-zfs-backup-server/
 CONFDIR=/etc/chem-zfs-backup-server/zfs-rsync.d
 
@@ -32,7 +32,7 @@ fi
 if [ ! -z "$PRE" ] ; then
  $PRE $HN >>$LOGDIR/${HN}_${TAG}-pre.log 2>&1
 fi
-#set -xv
+
 # Do the backup
 TIME=`date +%s`
 LOGFILE=$LOGDIR${HN}_${TAG}.log