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<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hi,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Try to modify /etc/libvirt/qemu.conf<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'># The user ID for QEMU processes run by the system instance.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>user = "root"<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'># The group ID for QEMU processes run by the system instance.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>group = "root"<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'># Whether libvirt should dynamically change file ownership<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'># to match the configured user/group above. Defaults to 1.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'># Set to 0 to disable file ownership changes.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>dynamic_ownership = 0<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>that perhaps works.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Romi<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:SimSun'>发件人<span
lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:10.0pt;
font-family:SimSun'>
openstack-bounces+romizhang1968=163.com@lists.launchpad.net [mailto:openstack-bounces+romizhang1968=163.com@lists.launchpad.net]
</span><b><span style='font-size:10.0pt;font-family:SimSun'>代表 </span></b><span
lang=EN-US style='font-size:10.0pt;font-family:SimSun'>Leander Bessa Beernaert<br>
</span><b><span style='font-size:10.0pt;font-family:SimSun'>发送时间<span
lang=EN-US>:</span></span></b><span lang=EN-US style='font-size:10.0pt;
font-family:SimSun'> 2012</span><span style='font-size:10.0pt;font-family:SimSun'>年<span
lang=EN-US>7</span>月<span lang=EN-US>4</span>日 星期三<span
lang=EN-US> 23:49<br>
</span><b>收件人<span lang=EN-US>:</span></b><span
lang=EN-US> Daniel P. Berrange<br>
</span><b>抄送<span lang=EN-US>:</span></b><span lang=EN-US>
openstack@lists.launchpad.net<br>
</span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re:
[Openstack] [OpenStack][Nova] Live Migration + NFSv4 - Permission issues<o:p></o:p></span></span></p>
</div>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Can't seem to get around it >.<.
Below are the current permissions on the folder in one of the compute nodes.<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span lang=EN-US>I've already tried chmod o+x
/var/lib/nova/instances/ but nothing happend :/<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
</div>
<div>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;
margin-left:4.8pt;margin-right:0cm'>
<p class=MsoNormal><span lang=EN-US>gsd@cloud33:~$ ls -l
/var/lib/nova/instances/<br>
total 4<br>
drwxrwxr-x 2 nova nova 4096 Jul 3 13:33 _base<br>
gsd@cloud33:~$ ls -l /var/lib/nova/ <br>
total 136<br>
drwxr-xr-x 6 nova nova 4096 Jul 3 13:11 CA<br>
drwxr-xr-x 2 nova nova 4096 Jun 25 20:11 buckets<br>
drwxr-xr-x 2 nova nova 4096 Jun 25 20:11 images<br>
drwxr-xr-x 3 nova nova 4096 Jul 4 15:45 instances<br>
drwxr-xr-x 2 nova nova 4096 Jun 25 20:11 keys<br>
drwxr-xr-x 2 nova nova 4096 Jun 25 20:11 networks<br>
-rw------- 1 nova nova 104448 Jul 3 13:13 nova.sqlite<br>
drwxr-xr-x 2 nova nova 4096 Jun 25 20:11 tmp<o:p></o:p></span></p>
</blockquote>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span lang=EN-US>On Wed, Jul 4, 2012 at 4:35 PM, Daniel P.
Berrange <<a href="mailto:berrange@redhat.com" target="_blank">berrange@redhat.com</a>>
wrote:<o:p></o:p></span></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>On Wed, Jul
04, 2012 at 04:24:42PM +0100, Leander Bessa Beernaert wrote:<br>
> Ok. so i have added the option you mentioned, restarted nfs and remounted<br>
> on the compute nodes.<br>
><br>
> Now i get this error: <a href="http://paste.openstack.org/show/19260/"
target="_blank">http://paste.openstack.org/show/19260/</a><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span lang=EN-US> libvirtError: internal error Process
exited while reading console log output: chardev: opening backend
"file" failed: Permission denied<br>
<br>
<br>
This is an error from QEMU itself. So it shows libvirtd has successfully<br>
done its part of the work. Unless you have changed your qemu.conf file,<br>
then QEMU will normally run as the 'qemu:qemu' user/group pair. So you<br>
should make sure that user account has r-x permission on the directory<br>
where the images are stored. QEMU doesn't need write permission on<br>
the directory - libvirtd makes sure the files themselves are writable<br>
<br>
Regards,<o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal><span lang=EN-US>Daniel<br>
--<br>
|: <a href="http://berrange.com" target="_blank">http://berrange.com</a>
-o- <a href="http://www.flickr.com/photos/dberrange/"
target="_blank">http://www.flickr.com/photos/dberrange/</a> :|<br>
|: <a href="http://libvirt.org" target="_blank">http://libvirt.org</a>
-o-
<a href="http://virt-manager.org" target="_blank">http://virt-manager.org</a>
:|<br>
|: <a href="http://autobuild.org" target="_blank">http://autobuild.org</a>
-o- <a
href="http://search.cpan.org/~danberr/" target="_blank">http://search.cpan.org/~danberr/</a>
:|<br>
|: <a href="http://entangle-photo.org" target="_blank">http://entangle-photo.org</a>
-o- <a
href="http://live.gnome.org/gtk-vnc" target="_blank">http://live.gnome.org/gtk-vnc</a>
:|<o:p></o:p></span></p>
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<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
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