After re-reading the release notes etc, I've forced NFS to mount using NFSv3.

this seems to have been the problem.

Thanks for your help!

Yuval

On Sat, Jan 5, 2013 at 3:57 AM, Marcelo Barbosa <mr.marcelo.barbosa@gmail.com> wrote:

Yuval,

Probably Your problem this with version kernel, this version not compatible with some VDSM version, i recommend alter this is version kernel of hosts and reboot. If do not know alter, follow the steps below: