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

[Simon Grinberg]

----- Original Message -----
> From: "Dan Kenigsberg" <danken at redhat.com>
> To: "Alexandre Santos" <santosam72 at gmail.com>
> Cc: users at ovirt.org
> Sent: Saturday, October 13, 2012 11:11:13 PM
> Subject: Re: [Users] Can't start a VM - sanlock permission denied
> 
> 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.

Just happened to me as well with oVirt node 2.5.2 (0.1.fc17)
(Latest on http://wiki.ovirt.org/wiki/OVirt_3.1_release_notes#oVirt_Node)

> 
> > 
> > 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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