Zfs
Useful commands
arc_summary= show the status of the ARC, Adaptive Replacement Cache, the RAM-based disk cache of ZFSzfs set mountpoint=$path $pool= change the mountpoint of$poolin$pathzfs rename $datastore $datastorenew= rename a data storezfs get compressratio $pool= get the compression rate of$pool(may be a pool or a data store)zfs list -r -t snapshot= get all the snapshot, in general or of a specific pool/data store if specified
ZFS encrypted datasets
zfs get -p encryption,keystatus,keylocation,pbkdf2iters $dataset= show details about an encrypted datasetzfs-load-key $dataset= load the key for the specified dataset, enabling access to itzfs-unload-key $dataset= unload a previously loaded key for a data set, preventing it from being accessed later without giving the key againzfs mount $dataset= mount the datasetzfs unmount $dataset= unmount the dataset