4:07 p.m.
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Dear List,
finally its there : Ovirt VM's can use native gluster via libgfapi. I
was able to start a vm on gluster after setting "engine-config -s
LibgfApiSupported=true"
This was the disk definition as seen by "virsh -r dumxml myvm" on the host
<disk type='network' device='disk' snapshot='no'>
<driver name='qemu' type='raw' cache='none'
error_policy='stop'
io='threads'/>
<source protocol='gluster'
name='gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/9c007b27-0ab7-4474-9317-a294fd04c65f/ba2dfe7f-bdcf-4680-878d-7d71272f3ffb'>
<host name='mygluster.domain.de' port='0'/>
</source>
<backingStore/>
<target dev='sda' bus='scsi'/>
<serial>9c007b27-0ab7-4474-9317-a294fd04c65f</serial>
<boot order='1'/>
<alias name='scsi0-0-0-0'/>
<address type='drive' controller='0' bus='0'
target='0' unit='0'/>
</disk>
Responsiveness of VM is much better (already seen when Updateng OS
Packages).
But I'm not able to migrate the mashine live to another host in the
cluster. Manager only states "Migration failed"
I did this already years ago without management interface by only using
libvirt commands on gluster. Why this is still not working ?
Since gluster is a networked protocol I can't see any reason for it.
I followed all the bugs like
https://bugzilla.redhat.com/show_bug.cgi?id=1022961 since last year and
saw them being worked on.
Now I'm really disappointed. Running something like MySQL in a VM via
gluster via FUSE is crap. :-(
Not being able to migrate machines in an ovirt cluster is crap, too if
one wants to stay current. A few VM's on my OVirt are running for ~200
days now while constantly upgrading to latest Ovirt Release. That needs
live migration of course.
Bye
--
*Ralf Schenk*
fon +49 (0) 24 05 / 40 83 70
fax +49 (0) 24 05 / 40 83 759
mail *rs(a)databay.de* <mailto:rs@databay.de>
*Databay AG*
Jens-Otto-Krag-Straße 11
D-52146 Würselen
*www.databay.de* <http://www.databay.de>
Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE 210844202
Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch Yavari, Dipl.-Kfm.
Philipp Hermanns
Aufsichtsratsvorsitzender: Wilhelm Dohmen
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<p><font face="Helvetica, Arial, sans-serif">Dear
List,</font></p>
<p><font face="Helvetica, Arial, sans-serif">finally its there :
Ovirt
VM's can use native gluster via libgfapi. I was able to start a
vm on gluster after setting "engine-config -s
LibgfApiSupported=true"</font></p>
<p><font face="Helvetica, Arial, sans-serif">This was the disk
definition as seen by "virsh -r dumxml myvm" on the host<br>
</font></p>
<p><tt> <disk type='network' device='disk'
snapshot='no'><br>
<driver name='qemu' type='raw' cache='none'
error_policy='stop' io='threads'/><br>
<source protocol='gluster'
name='gv0/5d99af76-33b5-47d8-99da-1f32413c7bb0/images/9c007b27-0ab7-4474-9317-a294fd04c65f/ba2dfe7f-bdcf-4680-878d-7d71272f3ffb'><br>
<host name='mygluster.domain.de'
port='0'/><br>
</source><br>
<backingStore/><br>
<target dev='sda' bus='scsi'/><br>
<serial>9c007b27-0ab7-4474-9317-a294fd04c65f</serial><br>
<boot order='1'/><br>
<alias name='scsi0-0-0-0'/><br>
<address type='drive' controller='0' bus='0'
target='0'
unit='0'/><br>
</disk><br>
</tt></p>
<p>Responsiveness of VM is much better (already seen when Updateng
OS Packages). <br>
</p>
<p>But I'm not able to migrate the mashine live to another host in
the cluster. Manager only states "Migration failed"<br>
</p>
<p>I did this already years ago without management interface by only
using libvirt commands on gluster. Why this is still not working ?
<br>
</p>
<p>Since gluster is a networked protocol I can't see any reason for
it.</p>
<p>I followed all the bugs like
<a class="moz-txt-link-freetext"
href="https://bugzilla.redhat.com/show_bug.cgi?id=1022961">h...
since last
year and saw them being worked on. <br>
</p>
<p>Now I'm really disappointed. Running something like MySQL in a VM
via gluster via FUSE is crap. :-( <br>
</p>
<p>Not being able to migrate machines in an ovirt cluster is crap,
too if one wants to stay current. A few VM's on my OVirt are
running for ~200 days now while constantly upgrading to latest
Ovirt Release. That needs live migration of course.</p>
<p>Bye<br>
</p>
<p><br>
</p>
<p>-- <br>
</p>
<div class="moz-signature">
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</p>
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src="cid:part1.F9AADFA9.9AED5F9A@databay.de"
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width="151" border="0"></td>
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<td valign="top"> <font size="-1"
face="Verdana, Arial,
sans-serif"><br>
<b>Ralf Schenk</b><br>
fon +49 (0) 24 05 / 40 83 70<br>
fax +49 (0) 24 05 / 40 83 759<br>
mail <a href="mailto:rs@databay.de"><font
color="#FF0000"><b>rs(a)databay.de</b></font></a><br>
</font> </td>
<td width="30"> </td>
<td valign="top"> <font size="-1"
face="Verdana, Arial,
sans-serif"><br>
<b>Databay AG</b><br>
Jens-Otto-Krag-Straße 11<br>
D-52146 Würselen<br>
<a href="http://www.databay.de"><font
color="#FF0000"><b>www.databay.de</b></font></a>
</font> </td>
</tr>
<tr>
<td colspan="3" valign="top"> <font
size="1" face="Verdana,
Arial, sans-serif"><br>
Sitz/Amtsgericht Aachen • HRB:8437 • USt-IdNr.: DE
210844202<br>
Vorstand: Ralf Schenk, Dipl.-Ing. Jens Conze, Aresch
Yavari, Dipl.-Kfm. Philipp Hermanns<br>
Aufsichtsratsvorsitzender: Wilhelm Dohmen </font> </td>
</tr>
</tbody>
</table>
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