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<div class="moz-cite-prefix">Hi Ruben,<br>
<br>
Thanks for your reply. I read that paragraph but did not fully
understand the implications as I assumed that as we were not
running a multi-system DS it did not apply to our configuration,<br>
<br>
Regards,<br>
Gerry<br>
<br>
<br>
On 08/01/2014 11:30, Ruben S. Montero wrote:<br>
</div>
<blockquote
cite="mid:CAGi56tdzxWy+n+652fTtf5gproj2Qn1MiP-LDMaOCTuvZA4oOg@mail.gmail.com"
type="cite">
<pre wrap="">Hi
Just to confirm that Michael is totally right. We tried to make this clear
in the upgrade guide:
<a class="moz-txt-link-freetext" href="http://docs.opennebula.org/stable/design_and_installation/building_your_cloud/upgrade.html#setting-new-system-ds">http://docs.opennebula.org/stable/design_and_installation/building_your_cloud/upgrade.html#setting-new-system-ds</a>
The procedure described by Michael to add the system DS preserving the data
is also the recommended one. (Note the limitations in the previous link)
Cheers
Ruben
On Wed, Jan 8, 2014 at 12:21 AM, Michael <a class="moz-txt-link-rfc2396E" href="mailto:michael@onlinefusion.co.uk"><michael@onlinefusion.co.uk></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hi Gerry,
onedatastore list
</pre>
<blockquote type="cite">
<pre wrap=""> ID NAME SIZE AVAIL CLUSTER IMAGES TYPE DS TM
0 system 21.4T 98% - 0 sys -
shared
1 default 21.4T 98% SCSSnebula 43 img fs
shared
2 files 21.4T 98% SCSSnebula 0 fil fs ssh
100 Research 21.4T 98% SCSSnebula 0 img fs
shared
101 Teaching 21.4T 98% SCSSnebula 6 img fs
shared
</pre>
</blockquote>
<pre wrap="">
SCHED_MESSAGE="Tue Jan 7 18:58:59 2014 : No system datastore meets
</pre>
<blockquote type="cite">
<pre wrap="">SCHED_DS_REQUIREMENTS: CLUSTER_ID = 100 & !(PUBLIC_CLOUD = YES)"
</pre>
</blockquote>
<pre wrap="">
So there's no system datastore in the cluster as you spotted, I think this
is a new requirement in 4.4 with the change to multiple system datastores
and tiering. There might be an issue with some configurations after
upgrading.
I don't think you can add the 0 datastore to your cluster so as you're
already using a shared datastore which is the same for all your data you
can probably just make a second non id 0 system datastore linked to the
same place as the others and assign it to the cluster.
-Michael
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</pre>
</blockquote>
<pre wrap="">
</pre>
<br>
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<br>
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</pre>
</blockquote>
<br>
<br>
<pre class="moz-signature" cols="72">--
Gerry O'Brien
Systems Manager
School of Computer Science and Statistics
Trinity College Dublin
Dublin 2
IRELAND
00 353 1 896 1341</pre>
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