Two separate VolGroup00 on two disks

[Oliver Ruebenacker]

     Hello,

On Wed, May 25, 2011 at 11:52 AM, M A Young <m.a.young at durham.ac.uk> wrote:
> On Wed, 25 May 2011, Oliver Ruebenacker wrote:
>
>>    Hello,
>>
>> On Wed, May 25, 2011 at 10:30 AM, Michael Schwendt <mschwendt at gmail.com>
>> wrote:
>>>
>>> On Wed, 25 May 2011 10:25:50 -0400, OR wrote:
>>>
>>>> [root at averroes oliver]# pvs
>>>>   PV         VG         Fmt  Attr PSize  PFree
>>>>   /dev/sda2  VolGroup00 lvm2 a-   74.31g 32.00m
>>>>   /dev/sdb5  VolGroup00 lvm2 a-   34.34g 32.00m
>>>
>>> Have you tried to rename a VG by UUID?
>>
>> [root at averroes oliver]# blkid /dev/sdb5
>> /dev/sdb5: UUID="F1c2yO-Yc8e-Rdwv-FIxB-wcBZ-aKW6-5mG52I"
>> TYPE="LVM2_member"
>> [root at averroes oliver]# vgrename
>> F1c2yO-Yc8e-Rdwv-FIxB-wcBZ-aKW6-5mG52I VolGroup00laptop
>>  Volume group "F1c2yO-Yc8e-Rdwv-FIxB-wcBZ-aKW6-5mG52I" not found
>
> That is the UUID of the physical volume, not the volume group. vgdisplay
> should give you the right UUIDs if you can work out which one is which.

  Thank you! I successfully renamed the VG. I did not see the
corresponding entry in /dev until I rebooted. But after reboot, it was
there and I could mount and access the files.

     Take care
     Oliver

-- 
Oliver Ruebenacker, Computational Cell Biologist
Systems Biology Linker at Virtual Cell (http://vcell.org/sybil)
Turning Knowledge Data into Models
Center for Cell Analysis and Modeling
http://www.oliver.curiousworld.org