Messages in this thread | | | From | "Albert D. Cahalan" <> | Subject | Re: LANANA: To Pending Device Number Registrants | Date | Thu, 17 May 2001 02:35:55 -0400 (EDT) |
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Heinz J. Mauelshag writes:
> LVM does a similar thing storing UUIDs in its private metadata > area on every device used by it. > > Problem is: neither MD nor LVM define a standard in Linux > which *needs* to be used on every device! > > It is just up to the user to configure devices with them or not. > > BTW: in case we had a Linux standard it wouldn't solve the > "different OS" situation mentioned in this thread either. > > > Generally speaking: > > It is not the problem to reserve some space to store a uuid or > something at such and such location on a device. > > The problem is the lack of a standard which eventually > could be implemented in all OSes at some point in time.
The PC partition table has such an ID. The LILO change log mentions it. I think it's 6 random bytes, with some restriction about being non-zero.
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