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

[Joschi Brauchle <joschi.brauchle@tum.de>]

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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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>     linux-lvm@redhat.com <mailto:linux-lvm@redhat.com>
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>     read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
>
>
> _______________________________________________
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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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