On 10/15/2013 11:05 AM, Anil Dhingra wrote:

Hi Guys
Any know issue why we are not able to start VM due to permission issue
on disk image file .. as per docs ownership should be vdsm:kvm  byt not
sure why its showing below
used - both  ovirt-node-iso-3.0.1-1.0.1.vdsm.el6 &
ovirt-node-iso-3.0.1-1.0.2.vdsm.el6  same issue  [ using NFS Domain ]
VM n0001vdap is down. Exit message: internal error process exited while
connecting to monitor: qemu-kvm: -drive
file=/rhev/data-center/d09d8a3e-8ab4-42fc-84ec-86f307d144a0/1a04e13a-0ed4-40d6-a153-f7091c65d916/images/44e3fc9b-0382-4c11-b00c-35bd74032e9a/34542412-ed50-4350-8867-0d7d5f8127fd,if=none,id=drive-virtio-disk0,format=raw,serial=44e3fc9b-0382-4c11-b00c-35bd74032e9a,cache=none,werror=stop,rerror=stop,aio=threads:

*could not open *disk image
*/rhev/data-center*/d09d8a3e-8ab4-42fc-84ec-86f307d144a0/1a04e13a-0ed4-40d6-a153-f7091c65d916/*images*/44e3fc9b-0382-4c11-b00c-35bd74032e9a/34542412-ed50-4350-8867-0d7d5f8127fd:
*Permission denied*

[root@node1 44e3fc9b-0382-4c11-b00c-35bd74032e9a]# ls -lh
total 1.1M

-rw-rw----+ 1 *vdsm 96* 6.0G 2013-10-15 05:47
34542412-ed50-4350-8867-0d7d5f8127fd
-rw-rw----+ 1 *vdsm 96* 1.0M 2013-10-15 05:47
34542412-ed50-4350-8867-0d7d5f8127fd.lease
-rw-rw-rw-+ 1 *vdsm 96*  268 2013-10-15 05:47

34542412-ed50-4350-8867-0d7d5f8127fd.meta
As it doesn't allow us o change permissions any alternate way for this

?or do I need to manually set permissions in *"/etc/libvirt/qemu.conf"*
alos ther is no such *group *with*"96"* .. so from where it picks this

config .
Another question is related to SELINUX config change for below 2

parameters to recover from error "*internal error Failed to open socket
to sanlock daemon: Permission denied*" I saw some where this is fixed

but not sure why it appears  VDSM should take care of this auto
setsebool -P virt_use_sanlock=on
setsebool -P virt_use_nfs=on

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have you tried:
http://www.ovirt.org/wiki/Troubleshooting_NFS_Storage_Issues