Hello.

Any ideas.. is this a bug or a feature? 

I have a machine with rhel 5.3 installed. It's using mdadm software raid1, so
it has md0 (sda1+sdb1) and md1 (sdb2+sdb2).

If I boot to "linux rescue" mode from rhel CD/DVD and try to manually start
the arrays I notice this:

# mdadm --assemble -a yes /dev/md0 /dev/sda1 /dev/sdb1
mdadm: no devices found for /dev/md0

# mdadm --assemble -a yes /dev/md1 /dev/sda2 /dev/sdb2
mdadm: no devices found for /dev/md1

BUT, if I do this:

# mdadm --assemble --uuid <uuid_of_mdX> /dev/mdX

it works as expected.. and yes, it uses the correct and very same sda? and sdb? 
devices.

Also "mdadm --examine /dev/sda?" gives correct/matching uuids.

Would be a lot easier to NOT type the uuid, in some recovery cases :)

-- Pasi

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