[BACKUP] Added ZFS datastore backup script

FreeBSD/storage/zfs-dataset-backup.bash

@@ -0,0 +1,35 @@
+#!/usr/local/bin/bash
+
+## config section
+dataset_orig=$1
+dataset_name=$(echo $dataset_orig | sed -e 's/\//-/g')
+backup_location="/tank/backup/datasets"
+backup_date=`date "+%Y-%m-%d"`
+enc_password="supersecretstuff"
+
+echo ""
+echo "################## SNAPSHOT ###################"
+echo "Making a snapshot of $dataset_orig"
+
+## create snapshot
+zfs snapshot $dataset_orig@$backup_date
+
+# backup vm snapshot
+echo ""
+echo "################## BACKUP VM ##################"
+echo "Send snapshot to local backup destination"
+
+## send snapshot to backup destination
+zfs send $dataset_orig@$backup_date | \
+pigz -c -p 4 | \
+openssl enc -aes-256-ctr -a -pbkdf2 -iter 1000 -salt -k $enc_password \
+> $backup_location/$dataset_name-$backup_date.pigz.enc
+
+## delete snapshot
+#sleep 1
+zfs destroy $dataset_orig@$backup_date
+
+# report done
+echo ""
+echo "############### ALL DONE THANKS ###############"
+echo ""