ZFS

Listing pools

zpool list
zfs list

Listing snapshots

zfs list -t snapshot

Showing status of scrubs

zpool status

Read smart status

smartctl -H /dev/sd*

Read all smart information

smartctl -a /dev/sd*

Look for:

* Short self-test routine
* recommended polling time:
* Extended self-test routine
* recommended polling time:
* Conveyance self-test routine
* recommended polling time:
* SMART Self-test log structure revision number 1

Scrubbing