[Users] Can't start a VM - sanlock permission denied

[Alexandre Santos]

2012/10/13 Dan Kenigsberg <danken at redhat.com>

> On Sat, Oct 13, 2012 at 11:25:37AM +0100, Alexandre Santos wrote:
> > Hi,
> > after getting to the oVirt Node console (F2) I figured out that selinux
> > wasn't allowing the sanlock, so I entered the setsebool virt_use_sanlock
> 1
> > and the problem is fixed.
>
> Which version of vdsm is istalled on your node? and which
> selinux-policy? sanlock should work out-of-the-box.
>

vdsm-4.10.0-10.fc17

on /etc/sysconfig/selinux
SELINUX=enforcing
SELINUXTYPE=targeted

>
> >
> > However, I started getting permission denied error when trying to start
> the
> > VM that was created on that NFS share. On the ovirt node console, I
> noticed
> > that the user.group of that share was nobody.nobody instead of vdsm.kvm.
> I
> > followed the instruction on the wiki about anonguid and anonuid but no
> luck
> > at all. This was an Ubuntu nfs server. I Installed a FC17 VM on this
> Ubuntu
> > and tried again and it worked at the first time :-)
>
> I've seen these problem when using nfs v4 without defining it's id
> mapper properly. The issue went away when (down?)grading to v3.
>
> >
> > Ubuntu has a KVM group with guid = 106.
>
> Dan.
>
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