[linux-lvm] setting VG UUID

Alasdair G Kergon agk at redhat.com
Thu Jan 8 16:27:01 UTC 2004

On Wed, Jan 07, 2004 at 09:24:15AM -0500, Navindra Umanee wrote:
> For the record, I'm absolutely crazy, but I fixed this by doing:
> echo "deadbeefdeadbeefdeadbeefdeadbeef"|dd of=/dev/hda6 obs=1 seek=4096 count=32

> So much for universal uniqueness...
The VG UUIDs *are* meant to all be the same on devices that are part of the
same VG.  It's the PV UUIDs that differ.
> For the record, I created my LVM1 partitions with Linux Mandrake 9.2.
Could /dev/urandom have been missing when pvcreate was run?
We think that would explain the symptoms.

> Should "vgchange -a n" maybe clean up these symlinks?
It's supposed to do.
agk at redhat.com

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