[Users] vm runs on host 1 and clone from snapshot runs on host 2?

Maor Lipchuk mlipchuk at redhat.com
Sun Mar 24 09:07:16 UTC 2013


Hi Gianluce,
The Host which creates the disks, or any storage related allocation
operation is only the SPM in the DC.

Regards,
Maor

On 03/24/2013 10:30 AM, Gianluca Cecchi wrote:
> On Sun, Mar 24, 2013 at 9:05 AM, Maor Lipchuk wrote:
>> Hi Gianluca,
>> You can set the VM to run on a specific host, when editing the VM and
>> choose the Host tab and Run On a specific host
>>
>> Generally, you can configure your cluster to use three different types
>> of selections: None, Even Distributed and Power Saving.
>> This can be set at the Cluster Policy tab, when you edit the cluster.
>> By default the cluster is using None policy, which actually runs the
>> even distributed algorithm when you run a VM.
>>
> 
> Yes, I know very well this.
> My observation was about another thing:
> 
> the disk clone operation itself, that is one step of the "clone from
> snapshot" activity; the process
> 
> /usr/bin/qemu-img convert -t none -f qcow2  ....
> 
> that starting from disk of VM1 creates the disk of VM2 (its clone)
> 
> I presumed that if host1 had in charge VM1, it would have been host1
> in charge of making the disk clone.
> Instead I observed that the disk clone operation was in charge of host2...
> 
> Hope it is more clear now....
> 
> It has nothing to do with which host then will run the clone
> 





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