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@@ -266,6 +266,7 @@ Look in ```man ssh_config``` for many more options.
 * Set the ```readonly``` property of the target filesystem to ```on```. This prevents changes on the target side. (Due to the nature of ZFS itself, if any changes are made to a dataset on the target machine, then the next backup to that target machine will probably fail. Such a failure can probably be resolved by perfroming a target-side zfs rollback of the affected dataset.) Note that ```readonly``` prevents changes to the CONTENTS of the dataset directly. Its still possible to receive new datasets and manipulate properties etc.
 * Use ```--clear-refreservation``` to save space on your backup machine.
 * Use ```--clear-mountpoint``` to prevent the target machine from mounting the backupped filesystem in the wrong place during a reboot.
+* zfs-autobackup uses holds by default, so you might get "dataset busy" if you try to destroy a snapshot. (check zfs holds --help)
 
 ## Restore example