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unable to detect lvm volume group [message #46876] Wed, 20 June 2012 15:14
hjthoeming is currently offline  hjthoeming
Messages: 5
Registered: March 2012
Junior Member

i'm getting "unable to detect lvm volume group" if i want to create a snapshot of my ve

My command line: vzdump --snapshot --dumpdir /backup 101

My setup is:

/dev/sda3             4,6G  1,7G  2,8G  37% /
none                  993M  184K  993M   1% /dev
none                 1000M     0 1000M   0% /dev/shm
none                 1000M   44K 1000M   1% /var/run
none                 1000M     0 1000M   0% /var/lock
none                 1000M     0 1000M   0% /lib/init/rw
                      7,9G  7,4G  157M  98% /backup
/dev/mapper/sysvg-vz   54G   21G   31G  41% /var/lib/vz
/dev/sda1             138M   57M   74M  44% /boot

root@openvz:~# vgdisplay 
  --- Volume group ---
  VG Name               sysvg
  System ID             
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  9
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               63,25 GiB
  PE Size               32,00 MiB
  Total PE              2024
  Alloc PE / Size       1984 / 62,00 GiB
  Free  PE / Size       40 / 1,25 GiB
  VG UUID               IsLu7N-kV54-sTk8-o4Ti-0rAM-zuZA-JBrbtG

OS: ubuntu 10.04
Kernel: openvz 2.6.32-042stab049.6
vzdump: 1.2.4-2 (from ubuntu)

I am getting the same error with /backup lying on a physical volume (sda5)

Is this maybe a bug? I got it working this way on a debian lenny system without any problems (all software from distribution)

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