[Ovirt-devel] Questions on the Server Suite UI

Bryan Kearney bkearney at redhat.com
Mon Nov 17 18:08:19 UTC 2008


Hugh O. Brock wrote:
> On Mon, Nov 17, 2008 at 09:38:45AM -0500, Bryan Kearney wrote:
>> Below are a couple of functional question on the UI having installed it,  
>> and reviewed version .6 of the docs. I realize the answer may be "in an  
>> upcoming release", but I wanted to at least throw it out:
> 
> Hi Bryan, thanks for checking out oVirt!
> 
>> 1) Can I set quotas at the VM pool level, or are they only inherited  
>> from the hardware pool?
> 
> Yes -- in fact the VM pool is the main carrier for quotas. The
> hardware pool quota settings merely define a default for VM pools
> created within a hardware pool. I recall a bug one or two releases ago
> however where the "edit quota" link in the details pane for a VM pool
> was either obscured or missing -- I think I even filed the BZ for
> it. I thought it was fixed in the current release but maybe not. I'll
> check on it.
> 
>> 2) Are there plans to support moving vm pools between hardware pools?
> 
> I believe we had decided we didn't want to do this, simply because the
> act of moving a VM pool to another hardware pool would imply
> mass-migrating all the VMs there to a hardware pool where they would
> not necessarily be able to run (the hardware pool defines hardware
> compatibility -- e.g. Intel vs. AMD -- and migration boundaries). Can
> you think of a use case we should to support here?

The use case I was thinking was one of quota policy. I could see using 
high level hardware pools as a means to group VM pools with the same 
quota and SLA. If a groups is granted a higher or lower Quota/SLA then I 
would want to move the vm pool to a new hardware pool.

-- bk




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