On Wed, 5 Jan 2022, Russell Senior wrote:
Mkfs comes last, you don't do that before either mdadm or lvm.
Russell, Thanks for the reminder; I don't prepare hard (or solid state) drives that often. Now mke2fs is installing ext4 on /dev/sdc and /dev/sdd in a couple of screen subshells using the -c option to check for bad blocks. So far they've been running for about 14 hours and are about 53% complete. I'll wait for them to finish before installing ext4 on /dev/sde and /dev/sdf and making those two a RAID1 backup drive pair. Stay healthy and prosper, Rich
