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



On 01/23/2013 09:56 PM, Joschi Brauchle wrote:
Hello,

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?

Possibly. Could you fill in these gaps in the puzzle:

0. Which distro?

1. Do a lvmdump for bug report:

    lvmdump -ma

2. Try with verbose

    vgremove -vvvv &> vgremove-dirty.out

3. Check if lvmetad is running:

    ps aux | grep lvmetad

3.1 if so, the issue is likely to go away after restarting it. If you `gcore` or `kill -SEGV` it to get a core dump it may help us.

3.2 do another lvmdump here, to get "updated" data after lvmdump restart

3.3 retry vgremove

    vgremove -vvvv &> vgremove-reloaded.out

4. pastebin the vgremove-dirty.out and we will be able to tell more then.


Best regards,
J Brauchle



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