----- 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" <[email protected]> > >>>> To: "Spyro Polymiadis" <[email protected]> > >>>> Cc: [email protected] > >>>> 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 > >>>> [email protected] > >>>> http://lists.ovirt.org/mailman/listinfo/users > >>>> > >>> _______________________________________________ > >>> Users mailing list > >>> [email protected] > >>> http://lists.ovirt.org/mailman/listinfo/users > >> > >> _______________________________________________ > >> Users mailing list > >> [email protected] > >> http://lists.ovirt.org/mailman/listinfo/users > >> > > _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
