Re: LANANA: To Pending Device Number Registrants

Michael Meissner
2001-05-19T20:38:47Z

On Fri, May 18, 2001 at 03:17:50PM +0100, Stephen C. Tweedie wrote:
> Hi,
>
> On Wed, May 16, 2001 at 12:18:15PM -0400, Michael Meissner wrote:
>
> > With the current LABEL= support, you won't be able to mount the disks with
> > duplicate labels, but you can still mount them via /dev/sd<xxx>.
>
> Or you can fall back to mounting by UUID, which is globally unique and
> still avoids referencing physical location. You also don't need to
> manually set LABELs for UUID to work: all e2fsprogs over the past
> couple of years have set UUID on partitions, and e2fsck will create a
> new UUID if it sees an old filesystem that doesn't already have one.

Presumably, a new UUID is created each time format a partition, which means it
is a slight bit of hassle if you have to reload a partition from a dump, or
copy a partition to another disk drive. In the scheme of things, it is not a
large hassle perhaps, but it is a hassle.

--
Michael Meissner, Red Hat, Inc. (GCC group)
PMB 198, 174 Littleton Road #3, Westford, Massachusetts 01886, USA
Work: meissner@redhat.com phone: +1 978-486-9304
Non-work: meissner@spectacle-pond.org fax: +1 978-692-4482