[Users] Power Management question

[Livnat Peer]

On 02/02/12 13:41, Ayal Baron wrote:
> 
> 
> ----- Original Message -----
>> On 02/02/12 10:57, Laszlo Hornyak wrote:
>>> Hi,
>>>
>>> Yes, the ovirt backend does not shut down or power up any hosts
>>> directly, it can work only through vdsm. Therefore you need one
>>> running host per datacenter to be able to manage the rest of the
>>> hosts.
>>>
>>> I understand the motivation, but for smaller installations I
>>> believe it would be so great if the backend could do it as well.
>>> What vdsm does in the background is not much more than calling the
>>> ipmipower command.
>>>
>>
>> I agree, there is no real reason not to fence hosts from the
>> management
>> host, yet another feature we would love to have.
>>
>> Worth checking if the engine can reuse the vdsm code for fencing.
> 
> This would come for free once we have the all in one (vdsm running on the same host as engine).

We'll get it for 'free' when installing VDSM on the same host as the
engine, but the above can be useful even if the user don't install VDSM
on the engine machine.

> 
>>
>>
>>> Laszlo
>>>
>>> ----- Original Message -----
>>>> From: "Perry Myers" <pmyers at redhat.com>
>>>> To: "Spyro Polymiadis" <spyro at rsp.com.au>
>>>> Cc: users at ovirt.org
>>>> Sent: Thursday, February 2, 2012 4:16:12 AM
>>>> Subject: Re: [Users] Power Management question
>>>>
>>>> On 02/01/2012 10:13 PM, Spyro Polymiadis wrote:
>>>>> so, if i read that right - does this mean that i need to have 2
>>>>> nodes
>>>>> in the cluster to get this working (thats the only difference
>>>>> from
>>>>> the rhev environment) i havent moved the other hypervisors into
>>>>> it
>>>>> yet... i figured the manager host could perform the power
>>>>> management..
>>>>
>>>> That's my understanding, but I could be wrong :)  The vdsm/oVirt
>>>> Engine
>>>> folks would know better
>>>>
>>>> Try moving a 2nd host over and see if that resolves the issue
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>