[Users] Power Management question

[Ayal Baron]

----- Original Message -----
> 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.

I was suggesting that vdsm always be installed on the same host as there are other such services that the engine could benefit from...

> 
> > 
> >>
> >>
> >>> 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
> >>
> 
>