[one-users] Modify a KVM instance's config (ex. RAM) in OpenNebula?

[Pellaeon Lin]

OK, I see, thanks for the reply.
2013/1/18 上午7:24 於 "Ruben S. Montero" <rsmontero at opennebula.org> 寫道：

> Hi
>
> I think that this very same functionality is supported by OpenNebula. Note
> that OpenNebula makes a difference between the definition of a VM and its
> instance. An instance can be updated only on specific ways (e.g. you can
> add/remove disks through hotplug, in 4.0 you will be able to add/remove
> NICs or change the *instance* name). However the definition can be freely
> updated.
>
> There are a couple of benefits of keeping the definition and the instance
> separated. One is being able to update the attributes and create multiple
> instances of the same definition.
>
> So you can:
>
> 1.- Define a Template with a given CPU, MEMORY, DISKs....
> 2.- Instantiate the that Template to create a VM
> 3.- (persistent VMs) Shutdown the VM. Update the Template a re-instantiate
> it. The new VM will use the new attributes.
> 4.- (non-persistent VMs) Update the Template and instantiate it. The new
> VMs will use the new attributes.
>
> IMHO this is equivalent to the functionality referred in your email.
>
> Cheers
>
> Ruben
>
>
>
> On Thu, Jan 17, 2013 at 3:32 PM, Pellaeon Lin <nfsmwlin at gmail.com> wrote:
>
>> Hi,
>>
>> Is it possible to modify a KVM instance's config (ex. RAM, CPU, NIC) in
>> OpenNebula (or even Sunstone) after it is created? AFAIK it is impossible
>> without shutting down the instance, but at least could OpenNebula do this
>> offline?
>>
>> To be more clear, I was expecting this feature like in VMware vSphere,
>> which allow modifications to individual VM's configurations after shutting
>> it down.
>>
>> If not, is there any plan to add this feature? It would be quite useful
>> because to my knowledge, currently there seems to be no cross-platform or
>> web-based management tool for hypervisors.
>>
>> Thanks!
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>
>
> --
> Ruben S. Montero, PhD
> Project co-Lead and Chief Architect
> OpenNebula - The Open Source Solution for Data Center Virtualization
> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
>
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