zfsnap_fix

example-config

@@ -6,7 +6,8 @@ backup_server_dataset="tank/backups"
 backup_server_delete_old_snaps=y
 backup_server_number_keep_snaps=31
 
-#Source server settings NOT CHANGE AFTER FIRST FULL BACKUP!
+#Source server settings 
+#DO NOT CHANGE zfsnap_days_keep_snaps AFTER FIRST FULL BACKUP!
 
 zfsnap_enable=y
 zfsnap_days_keep_snaps=7

zfs-backup-mm

@@ -1,13 +1,20 @@
 #!/bin/bash
 (
      flock -n 200 || { echo 'locked via flock on file /var/lock/zfs-backup-mm' ; exit 1; }
+
 zfsnap_block () {
 
+IFS='
+'
 if [ $zfsnap_enable = "y" ]; then
 for dataset in $source_datasets;
 do
-	echo "Creating snapshot on "$dataset""
-	zfSnap -d -a "$zfsnap_days_keep_snaps"d "$dataset"
+	echo "Tuning zfSnap for "$dataset""
+for command in $(zfSnap -n -d -zpool28fix -a "$zfsnap_days_keep_snaps"d "$dataset" | grep "$dataset")
+do
+	echo "Doing "$command""
+	eval "$command";
+done
 done
 	backup_block
 else