>
> Hey Vered,
>
> > IIUC the you have a self-created lvm, to which you're trying to connect as
> > posix using ovirt.
> > If that's the case please try to manually change the device's permissions
> > to 36:36 under /dev/<your_VG>.
> > If that doesn't work try the actual device it's mapped to (which is what
> > vdsm actually tries to mount).
> > If that also doesn't work please send us the output of:
> >>> ls -lh /dev/<your_VG> .
>
> Still failed mate after a chmod 36:36. The thing is though, it _does_
> mount the device for a moment before failing and unmounting it...
Is this the same behaviour as before?

>
> [root@blade01 ~]# ls /dev/VolGroup/lv_images -lh
> lrwxrwxrwx 1 root root 7 Dec 15 16:52 /dev/VolGroup/lv_images -> ../dm-2

I see /dev/VolGroup/lv_images are still root:root.
Please chown 36:36 as well.

Please state the all the chown you tried.