jeff millar wrote:

Any limits on this, like when all the drive letter change at once?

Nope.
You can put something like:
DEVICE /dev/sd[abcdef][1234567]
and
ARRAY /dev/md0 level=raid1 num-devices=2 UUID=49d38e1a:3ae5b824:9220fe3b:5a8129f0
in your /etc/mdadm.conf

And then do
mdadm --assemble /dev/md0 --uuid 49d38e1a:3ae5b824:9220fe3b:5a8129f0

Does the command need --force?

Not as far as I remember.

-- 
Mads Peter Bach
Systemadministrator,  Det Humanistiske Fakultet, Aalborg Universitet
Kroghstræde 3 - 5.111, DK-9220 Aalborg Øst
# whois MPB1-DK@whois.dk-hostmaster.dk

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