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Re: [linux-lvm] vgremove fails to remove empty VG (v2.02.98)



On 01/24/2013 06:50 AM, mohammad azimi wrote:
Did you used vgreduce to release free the disk?
Well, no.

Actually, I am not performing those commands manually.
It is the openSUSE 12.3 installer (YaST2), that performs a sequence of commands during installation. It is told to create a new VG on an existing LVM partition. Hence, it first removes all LVs in the existing VG, then tries to remove the existing, empty VG using 'vgremove system'.

I tried to strip the series of commands from the YaST2 logs:
-------------
"/sbin/lvremove -f -A n  '/dev/system/var_log'"
"/sbin/lvremove -f -A n  '/dev/system/var'"
"/sbin/lvremove -f -A n  '/dev/system/usr'"
"/sbin/lvremove -f -A n  '/dev/system/tmp'"
"/sbin/lvremove -f -A n  '/dev/system/slash'"
"/sbin/lvremove -f -A n  '/dev/system/nobackup'"
"/sbin/vgremove 'system'"
-------------
=> Fails with exit code 5

openSUSE 12.3 is using
  LVM version:     2.02.98(2) (2012-10-15)
  Library version: 1.02.77 (2012-10-15)
  Driver version:  4.23.0


Note that the EXACTLY same sequence of commands works OK for openSUSE 12.2 using
  LVM version:     2.02.84(2) (2011-02-09)
  Library version: 1.02.63 (2011-02-09)
  Driver version:  4.22.0


On Jan 24, 2013 8:02 AM, "Joschi Brauchle" <joschi brauchle tum de
<mailto:joschi brauchle tum de>> wrote:

    Hello,

    I get the following error with lvm2.02.98:
    -----------
    #/sbin/vgdisplay --units k -v 'system'

       --- Volume group ---
       VG Name               system
       System ID
       Format                lvm2
       Metadata Areas        1
       Metadata Sequence No  13
       VG Access             read/write
       VG Status             resizable
       MAX LV                0
       Cur LV                0
       Open LV               0
       Max PV                0
       Cur PV                1
       Act PV                1
       VG Size               104669184.00 KiB
       PE Size               4096.00 KiB
       Total PE              25554
       Alloc PE / Size       0 / 0 KiB
       Free  PE / Size       25554 / 104669184.00 KiB
       VG UUID               Qs0uaZ-L88n-tC7T-fZQj-sgJY-__2yRX-Dlt2Cr

       --- Physical volumes ---
       PV Name               /dev/sda3
       PV UUID               wzGjXi-F2lT-d2d4-l5a6-EmfM-__W838-YxaFIh
       PV Status             allocatable
       Total PE / Free PE    25554 / 25554
    -----------

    VG system is empty, but still:
    -----------
    # /sbin/vgremove 'system'
    -----------
    failes with status code 5, which means 'can't remove volume group
    containing logical volumes' (from man page).

    Looks like a bug in vgremove?

    Best regards,
    J Brauchle


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--
Dipl.-Ing. Joschi Brauchle, M.S.

Institute for Communications Engineering (LNT)
Technische Universitaet Muenchen (TUM)
80290 Munich, Germany

Tel (work): +49 89 289-23474
Fax (work): +49 89 289-23490
E-mail: joschi brauchle tum de
Web: http://www.lnt.ei.tum.de/

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