<div dir="ltr"><div><div>Hi Arsène,<br><br></div>There's no way to have a storage domain that is available in one cluster but not available in the other, in the same dc. It is by design.<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><br>Regards,<br></div>Idan<br></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Mon, May 2, 2016 at 6:39 PM, Arsène Gschwind <span dir="ltr"><<a href="mailto:arsene.gschwind@unibas.ch" target="_blank">arsene.gschwind@unibas.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
Hi Idan,<br>
<br>
Thanks a lot for your answer, that's clear now.<br>
I will change my setup and use 2 cluster in the same DC instead.<br>
In the case using 2 cluster in the same DC I've noticed that all
Storage domain have to be available for all clusters, in my case I
use SAN Storage. Is this by design or is there a way to have some
Storage Domain only available on one cluster but not on the others?<br>
<br>
Regards,<br>
Arsène<div><div class="h5"><br>
<br>
<div>On 05/02/2016 02:33 PM, Idan Shaby
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>
<div>Hi Arsène,<br>
<br>
</div>
The only storage domain that can be shared between datacenters
is the iso domain<br>
But that's not what you're looking for. You can't share a data
domain between two datacenters.<br>
<br>
</div>
<div>As for importing a storage domain which is active on one
datacenter to another datacenter, there are two cases:<br>
</div>
<div>- If the datacenters are in the same oVirt setup, that
won't be possible, and the operation will not be performed.<br>
</div>
<div>- If the datacenters are in two different oVirt setups, the
import to the second datacenter will succeed, but you will
experience issues in the first datacenter.<br>
</div>
<div>The reason for that is that the host in the second
datacenter overrides the storage domain metadata when
importing it.<br>
<br>
</div>
<div>Therefore, you cannot import a storage domain to a second
datacenter while it is active on the first one, anyway.<br>
</div>
</div>
<div class="gmail_extra"><br clear="all">
<div>
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div><br>
Regards,<br>
</div>
Idan<br>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
<div class="gmail_quote">On Mon, May 2, 2016 at 10:44 AM, Arsène
Gschwind <span dir="ltr"><<a href="mailto:arsene.gschwind@unibas.ch" target="_blank">arsene.gschwind@unibas.ch</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF"> Hi Roberto,<br>
<br>
Thanks for your information but....<br>
When I'm writing about DC I mean defined DC in oVirt and
so far I could see that when you define a storage domain
in one oVirt DC it will not be available in another DC and
I don't know what would happen if I would import it on the
second DC.<br>
In your setup, did you just define 1 DC and multiple
clusters?<br>
<br>
Regards,<br>
Arsène
<div>
<div><br>
<br>
<div>On 05/01/2016 01:37 PM, NUNIN Roberto wrote:<br>
</div>
<blockquote type="cite">
<div>Hi</div>
<div>I have in production the scenery something
similar to what you've described.</div>
<div>The "enabling factor" is represented by an
"storage virtualization" set of appliances, that
maintain mirrored logical volume over fc physical
volumes across two distinct datacenters, while
giving rw simultaneus access to cluster
hypervisors split between datacenters, that run
the VMs.</div>
<div><br>
</div>
<div>So: cluster also is spread across dc, no need
to import nothing.</div>
<div>Regards,<br>
<br>
<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;line-height:12.05pt"><span style="background-color:rgba(255,255,255,0)"><b>Roberto</b><br>
</span></p>
<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt"><span style="background-color:rgba(255,255,255,0)"> </span></p>
</div>
<div><br>
Il giorno 01 mag 2016, alle ore 10:37, Arsène
Gschwind <<a href="mailto:arsene.gschwind@unibas.ch" target="_blank">arsene.gschwind@unibas.ch</a>>
ha scritto:<br>
<br>
</div>
<blockquote type="cite">
<div><span>Hi,</span><br>
<span></span><br>
<span>Is it possible to have a shared Storage
domain between 2 Datacenter in oVirt?</span><br>
<span>We do replicate a FC Volume between 2
datacenter using FC SAN storage technology and
we have an oVirt cluster on each site defined
in separate DCs. The idea behind this is to
setup a DR site and also balance the load
between each site.</span><br>
<span>What happens if I do import a storage
domain already active in one DC, will it break
the Storage domain?</span><br>
<span></span><br>
<span>Thanks for any information..</span><br>
<span>Regards,</span><br>
<span>Arsène</span><br>
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