Question: Does this make UUIDs non-unique?

Posted Jun 13, 2021 9:17 UTC (Sun) by ausserirdischesindgesund (guest, #152763)
Parent article: Poettering: The Wondrous World of Discoverable GPT Disk Images

I have not read the whole specification if the UUIDs there are examples or have to be used verbatim in their entirety. If the latter: Can this produce side effects by e.g. confusing backup software that depends on UUIDs being different between hosts or similar scenarios?

Question: Does this make UUIDs non-unique?

Posted Jun 13, 2021 10:23 UTC (Sun) by bluca (subscriber, #118303) [Link] (1 responses)

Those listed are partition _type_ UUIDs, and have to be used verbatim - that's how autodiscovery works. What you are thinking of are partition UUIDs, which are separate and unique.

Question: Does this make UUIDs non-unique?

Posted Jun 14, 2021 15:49 UTC (Mon) by ausserirdischesindgesund (guest, #152763) [Link]

Makes sense, thanks!