How to fix two disks with the same Volume Group?
Chris G
cl at isbd.net
Thu Mar 20 11:16:14 UTC 2008
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 at isbd.net> 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
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