<div dir="ltr">+1 to Adding a "Make Master Storage Domain Button" ;-)<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Aug 15, 2013 at 11:09 AM, Liron Aravot <span dir="ltr"><<a href="mailto:laravot@redhat.com" target="_blank">laravot@redhat.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><br>
<br>
----- Original Message -----<br>
> From: "Dead Horse" <<a href="mailto:deadhorseconsulting@gmail.com">deadhorseconsulting@gmail.com</a>><br>
> To: "Itamar Heim" <<a href="mailto:iheim@redhat.com">iheim@redhat.com</a>><br>
> Cc: "<<a href="mailto:users@ovirt.org">users@ovirt.org</a>>" <<a href="mailto:users@ovirt.org">users@ovirt.org</a>><br>
> Sent: Thursday, August 15, 2013 6:46:00 PM<br>
> Subject: Re: [Users] Designate Master Storage Domain<br>
><br>
> Itamar this is true (I have noted occasional timing issues with it actually<br>
> working).<br>
> But what if as the administrator I have a specific storage domain in mind<br>
> that I would like to have become the master (in the case of more then two)?<br>
<br>
</div>In that case - you could reinitialize the pool using unattached domain (you chose which one) - this domain will become the new master.<br>
1. Create new unattached domain/Detach the domain that you want to be the master from the pool (if possible)<br>
2. Move all the pool domain to maintenance (the master should be put to maintenance last to avoid reconstructing to another domain).<br>
3. Right click on the data center, chose reinitialize storage pool - you can chose which domain do you want to be the master from the unattached domains.<br>
<br>
The other option is manual db intervention :)<br>
Possibly we could add a possibility to manually change the master domain, same as was added for the spm ("Make SPM" button that was added recently).<br>
<div class="HOEnZb"><div class="h5"><br>
<br>
><br>
> @Karli<br>
> The idea is not to not have to shut down all the VM's or the engine just to<br>
> maintenance a storage domain(s) that may happen to be on disparate storage<br>
> servers<br>
> .<br>
> - DHC<br>
><br>
><br>
> On Thu, Aug 15, 2013 at 9:37 AM, Itamar Heim < <a href="mailto:iheim@redhat.com">iheim@redhat.com</a> > wrote:<br>
><br>
><br>
><br>
> On 08/15/2013 06:18 AM, Dead Horse wrote:<br>
><br>
><br>
><br>
> Is there any method of designating which domain should be the master<br>
> storage domain or forcibly changing the role to a different storage domain?<br>
><br>
> EG: Given the following example<br>
><br>
> Storage Domain A (Master) --> NFS --> Storage Server 1<br>
> Storage Domain B --> NFS --> Storage Server 2<br>
><br>
> One wants to do maintenance to Storage Server 1 but in doing so the<br>
> Master storage domain is hosted from Storage Server 1. Thus the net<br>
> result of taking down Storage Server 1 is that one must also take down<br>
> Storage Server 2.<br>
><br>
> Thus we know we must shut down VM's from Storage Domain A to maintenance<br>
> Storage Server 1. Suppose however that VM's are running that we don't<br>
> want to shut down and are hosted from Storage Domain B via Storage Server 2.<br>
><br>
> We would want to be able to promote Storage Domain B to Master so that<br>
> we can take down Storage Domain A to do maintenance to Storage Server 1.<br>
><br>
> Once we are done with maintenance to Storage Server 1 we can bring<br>
> Storage Domain A back on line, re-designate it as Master if desired and<br>
> bring it's VM's back online.<br>
><br>
> I know I have seen this occur automatically to a point when a Storage<br>
> Domain goes missing that is the Master Domain but I have not noted any<br>
> manual method of doing so given the above scenario.<br>
><br>
> - DHC<br>
><br>
><br>
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><br>
><br>
> my understanding is you can move the storage domain A which is master to<br>
> maint. engine will promote storage domain B to master and everything should<br>
> continue working as is.<br>
><br>
><br>
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><br>
</div></div></blockquote></div><br></div>