[PVE-User] vzdump snapshot fails with physical disks

[Rakhesh Sasidharan]

Forgot to mention, here's what I am running - 

pve-manager: 1.7-10 (pve-manager/1.7/5323)
running kernel: 2.6.32-4-pve
proxmox-ve-2.6.32: 1.7-28
pve-kernel-2.6.32-4-pve: 2.6.32-28
qemu-server: 1.1-25
pve-firmware: 1.0-9
libpve-storage-perl: 1.0-16
vncterm: 0.9-2
vzctl: 3.0.24-1pve4
vzdump: 1.2-9
vzprocps: 2.0.11-1dso2
vzquota: 3.0.11-1
pve-qemu-kvm: 0.13.0-2
ksm-control-daemon: 1.0-4

Thanks. 

On Thu, 02 Dec 2010 02:56 +0400, "Rakhesh Sasidharan"
<rakhesh at rakhesh.net> wrote:
> Hello,
> 
> I have a KVM VM set up to use LVM storage and two physical disks. Here's
> the relevant bits of the config file - 
> 
> --8<---
> ide1: /dev/i500_,media=disk
> ide2: /dev/t2000_,media=disk
> virtio0: local-lvm250:vm-102-disk-1
> --8<---
> 
> When I try to do a snapshot backup of this machine, vzdump 1) refuses to
> do a snapshot coz it can't identify the LVM volume group and 2) tries to
> backup the two physical disks. 
> 
> --8<---
> # vzdump --snapshot 102
> INFO: starting new backup job: vzdump --snapshot 102
> INFO: Starting Backup of VM 102 (qemu)
> INFO: running
> INFO: status = running
> INFO: mode failure - unable to detect lvm volume group
> INFO: trying 'suspend' mode instead
> INFO: backup mode: suspend
> INFO: ionice priority: 7
> INFO: suspend vm
> INFO: creating archive
> '/var/lib/vz/dump/vzdump-qemu-102-2010_12_02-02_28_13.tar'
> INFO: adding
> '/var/lib/vz/dump/vzdump-qemu-102-2010_12_02-02_28_13.tmp/qemu-server.conf'
> to archive ('qemu-server.conf')
> INFO: adding '/dev/i500_' to archive ('vm-disk-ide1.raw')
> ...
> --8<---
> 
> I have identified the failing of the snapshot down to the two physical
> disks being present. When I remove the physical disks from the config
> file and start the VM, vzdump performs snapshots fine. 
> 
> So - is there any way I can make vzdump do a snapshot backup with the
> two physical disks present? And is there any way I can make vzdump
> ignore these physical disks so it doesn't back them up? Upon a hunch I
> tried vzdump with the --exclude-path option (giving it /dev/i500_ as the
> argument) but that didn't help. 
> 
> Thanks,
> Rakhesh
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