Re: LANANA: To Pending Device Number Registrants

Heinz J. Mauelshagen
2001-05-18T14:01:05Z

On Thu, May 17, 2001 at 02:35:55AM -0400, Albert D. Cahalan wrote:
> 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.

This is just a type identifier showing the parition type and just
valid on the PC.

Won't help it.

--

Regards,
Heinz -- The LVM Guy --

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen@Sistina.com +49 2626 141200
FAX 924446
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-