Comment 1 for bug 509957

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Steve Langasek (vorlon) wrote :

cryptsetup does map partitions by UUID, if that's how you specify them in /etc/crypttab. In the case of bug #509952, clearly you didn't do this, so of course cryptsetup wasn't mapping by UUID.

An entirely separate question is whether the parent device *has* a UUID. If you're not using LUKS, I think the answer is going to be 'no'.