What I would do is mdadm the RAID1s, lvm the two raids together, allocate volumes from that, create filesystem on the volume (s).
On Wed, Jan 5, 2022, 13:36 Rich Shepard <rshep...@appl-ecosys.com> wrote: > On Wed, 5 Jan 2022, Bill Barry wrote: > > > Are you using LVM as the final filesystem? This seems like a needless > > complication unless you really plan on expanding things in the future. It > > is easier just to format using ext4. > > Bill, > > It was sometime last autumn that I set up the four disks as an LVM; I > believe that I formatted each as ext4 before doing so. > > I'll read the LVM info and learn how to remove disks 3 and 4 from it, then > use them for the RAID1 for backup. > > Thanks, > > Rich >
