[CentOS] Replacing SW RAID-1 with SSD RAID-1

Tue Nov 24 17:32:31 UTC 2020
John Pierce <jhn.pierce at gmail.com>

zpool create newpool mirror sdb sdc mirror sdd sde mirror sdf sdg mirror
sdh sdi spare sdj sdk
zfs create -o mountpoint=/var/lib/pgsql-11 newpool/postgres11


and done.