[Users] ovirt VM start fails - Perm Denied error

[Dan Kenigsberg]

On Tue, Feb 14, 2012 at 10:36:39AM +0530, Deepak C Shetty wrote:
> On 02/13/2012 03:16 PM, Dan Kenigsberg wrote:
> >On Sun, Feb 12, 2012 at 11:58:05PM +0530, Deepak C Shetty wrote:
> >>Hi,
> >>    I have tried this multiple times and i hit the same error.
> >>
> >>I have 3 storage domains  created (iso, data and export) all
> >>connected to the DC with DC status as Up and
> >>1 host with status as Up and the same (only) host acting as SPM.
> >>
> >>I used the engine-iso-uploader utility to upload my .iso to the iso domain.
> >>Created a new VM and attached a vdisk of type sparse (thin-prov) and
> >>click on "Run Once",
> >>where i select "Attach CD" and select my .iso, and change boot order
> >>to boot from CD, then disk.
> >>
> >>But i get this error...
> >>
> >>VM first-ovirt-vm is down. Exit message internal error process
> >>exited while connecting to monitor: qemu-kvm: -drive file=/rhev/data-center/4087fea7-b54a-4318-8d5c-828eff8846f4/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw:
> >>could not open disk image /rhev/data-center/4087fea7-b54a-4318-8d5c-828eff8846f4/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso:
> >>Permission denied .
> >>
> >>I am unable to figure out why.. bcos the user.group perms for the
> >>.iso are fine.
> >>In fact i logged into the system serving the nfs share and added 0777 perms
> >>still i get the same error. Here is the snip of how the perms for
> >>.iso look like...
> >>
> >>ll /tmp/iso1-domain/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso
> >>-rwxr-xr-x. 1 vdsm kvm 3757047808 Feb 13 04:24 /tmp/iso1-domain/35f880f8-bd0c-4063-b171-2ddaa59e1212/images/11111111-1111-1111-1111-111111111111/Fedora-16-x86_64-DVD.iso
> >would you try `ls -lZ` ? Does your /var/log/audit/audit.log shows an
> >selinux problem? What's `getenforce`? And `getsebool virt_use_nfs`?
> 
> Hi Dan,
>     Thanks for the hint, after setting virt_use_nfs, it worked for me.
> Strangely VDSM should have set it, not sure why it didn't.

I suppose this is related to the fact that your `semanage` hangs. Please
help us understand why.