[Openstack] [OpenStack][Nova] Live Migration + NFSv4 - Permission issues

Leander Bessa Beernaert leanderbb at gmail.com
Wed Jul 4 15:49:01 UTC 2012


Can't seem to get around it >.<. Below are the current permissions on the
folder in one of the compute nodes.
I've already tried chmod o+x /var/lib/nova/instances/ but nothing happend :/

gsd at cloud33:~$ ls -l /var/lib/nova/instances/
> total 4
> drwxrwxr-x 2 nova nova 4096 Jul  3 13:33 _base
> gsd at cloud33:~$ ls -l /var/lib/nova/
> total 136
> drwxr-xr-x 6 nova nova   4096 Jul  3 13:11 CA
> drwxr-xr-x 2 nova nova   4096 Jun 25 20:11 buckets
> drwxr-xr-x 2 nova nova   4096 Jun 25 20:11 images
> drwxr-xr-x 3 nova nova   4096 Jul  4 15:45 instances
> drwxr-xr-x 2 nova nova   4096 Jun 25 20:11 keys
> drwxr-xr-x 2 nova nova   4096 Jun 25 20:11 networks
> -rw------- 1 nova nova 104448 Jul  3 13:13 nova.sqlite
> drwxr-xr-x 2 nova nova   4096 Jun 25 20:11 tmp


On Wed, Jul 4, 2012 at 4:35 PM, Daniel P. Berrange <berrange at redhat.com>wrote:

> On Wed, Jul 04, 2012 at 04:24:42PM +0100, Leander Bessa Beernaert wrote:
> > Ok. so i have added the option you mentioned, restarted nfs and remounted
> > on the compute nodes.
> >
> > Now i get this error: http://paste.openstack.org/show/19260/
>
>   libvirtError: internal error Process exited while reading console log
> output: chardev: opening backend "file" failed: Permission denied
>
>
> This is an error from QEMU itself. So it shows libvirtd has successfully
> done its part of the work. Unless you have changed your qemu.conf file,
> then QEMU will normally run as the 'qemu:qemu' user/group pair. So you
> should make sure that user account has r-x permission on the directory
> where the images are stored. QEMU doesn't need write permission on
> the directory - libvirtd makes sure the files themselves are writable
>
> Regards,
> Daniel
> --
> |: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/:|
> |: http://libvirt.org              -o-             http://virt-manager.org:|
> |: http://autobuild.org       -o-         http://search.cpan.org/~danberr/:|
> |: http://entangle-photo.org       -o-       http://live.gnome.org/gtk-vnc:|
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120704/918069fd/attachment.html>


More information about the Openstack mailing list