On Thu, Mar 20, 2008 at 03:23:08PM +0530, Anoop Chandran wrote: > > On Thu, Mar 20, 2008 at 2:18 PM, Chris G <[1]cl@xxxxxxxx> wrote: > > I have just had Fedora 7 re-installed on my work desktop as the old > disk drive was slowly failing. > I need to access the old disk if I can, it's still in the system and > visible but the person who installed it didn't change volume groups so > I have two disk drives with the same volume group. How do I change the > name of the old disk's volume group so I can mount it and see it? > Running vgscan returns:- > Reading all physical volumes. This may take a while... > WARNING: Duplicate VG name VolGroup00: Existing > P6sqp0-rIos-JYmi-8L32-ymtN-LzB4-g5BdLL (created here) takes precedence > over TdWFKp-H4tw-UrVq-Jmre-26hv-zmyE-IZXQLI > Found volume group "VolGroup00" using metadata type lvm2 > Found volume group "VolGroup00" using metadata type lvm2 > > Could you try vgrename? "man vgrename" for more info. > From man page - vgrename /dev/vg02 /dev/my_volume_group renames existing > volume group "vg02" to "my_volume_group". > Ah, but they're *both* called /dev/vg02 so that's no help. However it turns out that vgrename understands UUIDs so the following works:- vgrename TdWFKp-H4tw-UrVq-Jmre-26hv-zmyE-IZXQLI MyVolGroup It's not immediately clear from the man page that this works, but it does - phew! -- Chris Green