[one-users] Opennebula 3.0 RC1 and persistent images in KVM VMs
fabian at wenks.ch
Mon Sep 26 04:50:08 PDT 2011
On 25.09.2011 00:27, Alberto Picón Couselo wrote:
> We have some a problems using persistent KVM images in Opennebula 3.0 RC1.
> Our configuration is as follows:
> Opennebula Front-End Ubuntu LTS 10.04
> KVM worker node Debian Queeze 6.0.2
> NAS for NFS Shared storage
> Sat Sep 24 23:49:08 2011 [VMM][I]: Command execution fail: 'if [ -x
> "/var/lib/one/remotes/vmm/kvm/deploy" ]; then
> /var/lib/one/remotes/vmm/kvm/deploy /var/lib/one/212/images/deployment.0
> tc-kvm-hv02 212 tc-kvm-hv02; else exit 42; fi'
> Sat Sep 24 23:49:08 2011 [VMM][I]: error: Failed to create domain from
> Sat Sep 24 23:49:08 2011 [VMM][I]: error: internal error process exited
> while connecting to monitor: qemu: could not open disk image
> /var/lib/one/212/images/disk.0: Permission denied
> Please, can you give us any clue regarding this issue?. Persistent mode
> for KVM VMs is essential for us...
Is root allowed to read/write in the NFS mounted images folder?
Check the options in /etc/exports on the NFS server.
Eventually you also need to force the client (cluster node) to
mount it using NFSv3 (instead of NFSv4).
With persistent images, the images stays in the images folder and
is only linked from the <vm_id>/images/ folder. KVM does run with
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