zfs

list

# List all datasets in all pools
zfs list
zfs list <pool>/<dataset> # specific dataset

# Additional space information
zfs list -o space

# Snapshots of a given dataset
zfs list -t snapshot <pool>/<dataset>

create

• Creates a dataset
• It allows a more granularity on the management of a pool
• It's similar to a subvolume in BTRFS
• It appears as a folder in the zpool

zfs create <pool>/<dataset>

# set properties at creation
zfs create -o compression=gzip <pool>/<dataset>

# set encryption
zfs create -o encryption=on -o keylocation=prompt -o keyformat=passphrase <pool>/<dataset>

destroy

• Destroys a dataset
• The folder is removed (as well as its data)

zfs destroy <pool>/<dataset>

clear

zpool clear <pool>

get

• Get a property of a dataset

zfs get <property> <pool>/<dataset>
zfs get "compression" <pool>/<dataset>
zfs get "compressratio" <pool>/<dataset>

set

• Set properties for a dataset

zfs set quota=20G <pool>/<dataset>

load-key

• Load a key of a dataset in order to enable it to be mounted

zfs load-key <pool>/<dataset>

zfs mount <pool>/<dataset>

mount

zfs mount <pool>/<dataset>

snapshot

• Snapshot are created per dataset
• It's saved under <dataset-root>/.zfs/snapshot/

zfs snapshot <pool>/<dataset>@$(date +%Y-%m-%d-%H%M)