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Re: [linux-lvm] Conflicting vg names but can't rename one



On 12/17/2010 01:56 PM, Richard Shaw wrote:
On Fri, Dec 17, 2010 at 11:27 AM, Mauricio Tavares<raubvogel gmail com>  wrote:
vgrename SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D export1
  WARNING: Duplicate VG name export: Existing
fjM9qy-aCEM-iluj-yTdQ-CwT5-Iijk-uOYXlB (created here) takes precedence over
SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D
  WARNING: Duplicate VG name export: Existing
fjM9qy-aCEM-iluj-yTdQ-CwT5-Iijk-uOYXlB (created here) takes precedence over
SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D
  WARNING: Duplicate VG name export: fjM9qy-aCEM-iluj-yTdQ-CwT5-Iijk-uOYXlB
(created here) takes precedence over SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D
  Volume group "export" still has active LVs

What am I missing here? I thought if I told it to rename the vg with a given
uuid I would be golden. As you can see, that is not the case.

I think you need to make the vg unavailable before you can rename it:

vgchange -an SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D

then your vgrename should work.

Richard

	Do you think I need to persuade it some more?

raub ubuntu:~$ sudo vgdisplay export
WARNING: Duplicate VG name export: Existing fjM9qy-aCEM-iluj-yTdQ-CwT5-Iijk-uOYXlB (created here) takes precedence over SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D
  --- Volume group ---
  VG Name               export
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  2
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               465.76 GiB
  PE Size               4.00 MiB
  Total PE              119234
  Alloc PE / Size       102400 / 400.00 GiB
  Free  PE / Size       16834 / 65.76 GiB
  VG UUID               fjM9qy-aCEM-iluj-yTdQ-CwT5-Iijk-uOYXlB

raub ubuntu:~$ sudo vgchange -an SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D
WARNING: Duplicate VG name export: Existing fjM9qy-aCEM-iluj-yTdQ-CwT5-Iijk-uOYXlB (created here) takes precedence over SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D
  Volume group "SB3NfW-swQM-5rdw-xf5e-z6At-r5DM-dUwG7D" not found
raub ubuntu:~$

Maybe I need to unmount/disconnect the hard drive with the vg being used and then try to rename the other drive...

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