ZFS Command History

Use zpool history.

My old nass

Create zpool on 2018-06-02:

zpool create -f tank raidz2 /dev/ada0 /dev/ada1 /dev/ada2 /dev/ada3 /dev/ada4

Create datasets:

zfs create -o aclinherit=restricted -o aclmode=discard -o atime=off -o casesensitivity=sensitive -o compression=lz4 -o dedup=off -o sync=standard tank/home
zfs create -o aclinherit=restricted -o aclmode=discard -o atime=off -o casesensitivity=sensitive -o compression=lz4 -o dedup=off -o sync=standard tank/downloads
zfs create -o aclinherit=restricted -o aclmode=discard -o atime=off -o casesensitivity=sensitive -o compression=off -o dedup=off -o sync=standard tank/movies
zfs create -o aclinherit=restricted -o aclmode=discard -o atime=off -o casesensitivity=sensitive -o compression=lz4 -o dedup=off -o sync=standard tank/music

Replace damaged HD:

zpool offline tank 10462354999995531015
zpool import -d /dev -f -a
zpool replace tank 10462354999995531015 ada1
zpool import -d /dev -f -a
zpool import -d /dev -f -a

And:

$ zdb -C | grep ashift
            ashift: 12