Michael Schmarck wrote:
> Correct. UUIDs are universally unique (as the name already "suggests" *g*)
> and thus, there cannot be a clash.

Not quite true, drives in a RAID have the same UUID.
Here's my raid5 for an xxample:

# blkid | grep mdraid
/dev/sdb1: UUID="bf59d132-8b98-7d9c-c526-af1cfb835fa3" TYPE="mdraid"
/dev/sdc1: UUID="bf59d132-8b98-7d9c-c526-af1cfb835fa3" TYPE="mdraid"
/dev/sdd1: UUID="bf59d132-8b98-7d9c-c526-af1cfb835fa3" TYPE="mdraid"

So you would need to reset the UUID before reusing a drive from an array.

Have fun,
Roy
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gentoo-user@(protected)