Re: [linux-lvm] cannot create a volume group named the same as one already removed

["Heinz J . Mauelshagen" <mauelshagen@sistina.com>]

Your mail doesn't show clearly, if vgremove was run prior to pvcreate.

The directory in /dev/ still exists so run:

rm -r /dev/volgrp2

and retry.

Regards,
Heinz    -- The LVM Guy --


On Thu, Feb 06, 2003 at 11:05:05AM -0600, Tom Georgoulias wrote:
> I'm using lvm 1.0.3 that came with my Red Hat 7.3 system, with kernel 
> 2.4.18-24.7.x.  When I try to create a volume group that has the same 
> name as one that existed in the past but was removed, I get an error 
> stating that the volume group already exists and to use a different 
> name.  What can I do to fix this?
> 
> I appreciate any tips.  Most of the command outputs are below to help 
> illustrate what I'm seeing/doing.
> 
> Tom
> 
> [root@mom root]# vgcreate volgrp2 /dev/hdg
> vgcreate -- volume group directory or file already exists
> vgcreate -- please choose a different name
> 
> [root@mom root]# vgremove volgrp2
> vgremove -- volume group "volgrp2" doesn't exist
> 
> Before I tried recreating this group, I removed all of the LVs from it:
> 
> [root@mom root]# df -hl
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/hda3             9.6G  1.3G  7.8G  15% /
> /dev/hda1             144M   17M  120M  12% /boot
> none                  503M     0  503M   0% /dev/shm
> /dev/hda2             6.4G   33M  6.0G   1% /usr/local
> /dev/hda6            1011M  273M  687M  29% /var
> /dev/volgrp1/lvol1     36G   32G  1.9G  95% /volumes/v01
> /dev/volgrp1/lvol2     36G   29G  5.2G  85% /volumes/v02
> /dev/volgrp1/lvol3     36G   25G  9.4G  73% /volumes/v03
> /dev/volgrp2/lvol1     36G   31G  3.0G  92% /volumes/v10
> /dev/volgrp2/lvol2     36G   18G   16G  51% /volumes/v11
> /dev/volgrp2/lvol3     36G  915M   32G   3% /volumes/v12
> /dev/volgrp3/lvol1     36G  2.5G   31G   8% /volumes/v20
> /dev/volgrp3/lvol2    1.9G  208M  1.6G  12% /volumes/v21
> [root@mom /]# umount /volumes/v10
> [root@mom /]# umount /volumes/v11
> [root@mom /]# umount /volumes/v12
> [root@mom /]# lvremove /dev/volgrp2/lvol1
> lvremove -- do you really want to remove "/dev/volgrp2/lvol1"? [y/n]: y
> lvremove -- doing automatic backup of volume group "volgrp2"
> lvremove -- logical volume "/dev/volgrp2/lvol1" successfully removed
> 
> [root@mom /]# lvremove /dev/volgrp2/lvol2
> lvremove -- do you really want to remove "/dev/volgrp2/lvol2"? [y/n]: y
> lvremove -- doing automatic backup of volume group "volgrp2"
> lvremove -- logical volume "/dev/volgrp2/lvol2" successfully removed
> 
> [root@mom /]# lvremove /dev/volgrp2/lvol3
> lvremove -- do you really want to remove "/dev/volgrp2/lvol3"? [y/n]: y
> lvremove -- doing automatic backup of volume group "volgrp2"
> lvremove -- logical volume "/dev/volgrp2/lvol3" successfully removed
> 
> The new disk was been initialized:
> [root@mom root]# pvdisplay /dev/hdg
> pvdisplay -- "/dev/hdg" is a new physical volume of 114.50 GB
> 
> And volgrp2 isn't active:
> [root@mom root]# vgdisplay
> --- Volume group ---
> VG Name               volgrp1
> VG Access             read/write
> VG Status             available/resizable
> VG #                  0
> MAX LV                256
> Cur LV                3
> Open LV               3
> MAX LV Size           255.99 GB
> Max PV                256
> Cur PV                1
> Act PV                1
> VG Size               114.49 GB
> PE Size               4 MB
> Total PE              29310
> Alloc PE / Size       27786 / 108.54 GB
> Free  PE / Size       1524 / 5.95 GB
> VG UUID               5sIM7c-KUYL-O1fc-wjdX-A8fj-v7RG-Fj4ssE
> 
> --- Volume group ---
> VG Name               volgrp3
> VG Access             read/write
> VG Status             available/resizable
> VG #                  2
> MAX LV                256
> Cur LV                3
> Open LV               3
> MAX LV Size           255.99 GB
> Max PV                256
> Cur PV                1
> Act PV                1
> VG Size               114.49 GB
> PE Size               4 MB
> Total PE              29310
> Alloc PE / Size       18750 / 73.24 GB
> Free  PE / Size       10560 / 41.25 GB
> VG UUID               kIC7Td-UXGl-oJSx-AXRV-YzHE-DYFN-CBVCFb
> 
> 
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
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                                                  Germany
Mauelshagen@Sistina.com                           +49 2626 141200
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