12 Apr
2013
12 Apr
'13
7:45 a.m.
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Laszlo Hornyak p=C3=AD=C5=A1e v P=C3=A1 12. 04. 2013 v 08:07 -0400:
>=20
> ----- Original Message -----
> > From: "Michal Skrivanek" <mskrivan@redhat.com>
> > To: "Yair Zaslavsky" <yzaslavs@redhat.com>
> > Cc: "engine-devel" <engine-devel@ovirt.org>
> > Sent: Thursday, April 11, 2013 5:29:53 PM
> > Subject: Re: [Engine-devel] watchdog
> >=20
> >=20
> >=20
> > On 11 Apr 2013, at 12:26, Yair Zaslavsky <yzaslavs@redhat.com> wrote:
> >=20
> > >=20
> > >=20
> > > ----- Original Message -----
> > >> From: "Tomas Jelinek" <tjelinek@redhat.com>
> > >> To: "Laszlo Hornyak" <lhornyak@redhat.com>
> > >> Cc: "engine-devel" <engine-devel@ovirt.org>
> > >> Sent: Thursday, April 11, 2013 11:33:19 AM
> > >> Subject: Re: [Engine-devel] watchdog
> > >>=20
> > >> Good that you have come up with this! So we will make sure to keep t=
his
> > >> info.
> > >> Thnx for coming up with it!
> > >>=20
> > >> ----- Original Message -----
> > >>> From: "Laszlo Hornyak" <lhornyak@redhat.com>
> > >>> To: "Tomas Jelinek" <tjelinek@redhat.com>
> > >>> Cc: "engine-devel" <engine-devel@ovirt.org>
> > >>> Sent: Thursday, April 11, 2013 10:25:28 AM
> > >>> Subject: Re: [Engine-devel] watchdog
> > >>>=20
> > >>>=20
> > >>>=20
> > >>> ----- Original Message -----
> > >>>> From: "Tomas Jelinek" <tjelinek@redhat.com>
> > >>>> To: "Laszlo Hornyak" <lhornyak@redhat.com>
> > >>>> Cc: "engine-devel" <engine-devel@ovirt.org>
> > >>>> Sent: Thursday, April 11, 2013 10:02:16 AM
> > >>>> Subject: Re: [Engine-devel] watchdog
> > >>>>=20
> > >>>>=20
> > >>>>=20
> > >>>> ----- Original Message -----
> > >>>>> From: "Laszlo Hornyak" <lhornyak@redhat.com>
> > >>>>> To: "Itamar Heim" <iheim@redhat.com>
> > >>>>> Cc: "engine-devel" <engine-devel@ovirt.org>
> > >>>>> Sent: Thursday, April 11, 2013 9:56:32 AM
> > >>>>> Subject: Re: [Engine-devel] watchdog
> > >>>>>=20
> > >>>>> Hi,
> > >>>>>=20
> > >>>>> Isnt someone already working on removing the UI distinction betwe=
en
> > >>>>> server
> > >>>>> and desktop?
> > >>>> Indeed :)
> > >>>>=20
> > >>>>>=20
> > >>>>> However the desktop/server distinction could be useful for schedu=
ling
> > >>>>> information, I hope that will remain.
> > >>>> There will be a combo box: "optimized for server/desktop". That on=
e
> > >>>> will set up the dialog like you would open the new server/desktop =
today.
> > >>>> But you will be able to change them - it will be just some sugar. =
But
> > >>>> there
> > >>>> is no reason
> > >>>> why would we enforce the disabling the e.g. soundcard for server. =
By
> > >>>> default
> > >>>> we will, but
> > >>>> you can enable it if you want.
> > >>>=20
> > >>> Ok, so in engine we will still have the VmType in vmStatic?
> > >>>=20
> > >>> I think it would make sense to use it in scheduling / load balancin=
g
> > >>> - if a VM is a desktop and no user is connected to the console, the=
n the
> > >>> VM
> > >>> is not in use, therefore it is a good candidate for saving power
> > >>> (hibernate,
> > >>> migrate, shutdown, or any other bad things that can happen to a VM)
> > >>> - if a VM is a server, usually no user connected, but it may still =
be
> > >>> used
> > >>> through its network. Therefore it may not be a good candidate to mi=
grate.
> > >=20
> > > is this indeed a valid assumption ("if VM is a server..." ) that a us=
er
> > > will less connect to it?
> > IMHO if we want some new behavior/policy there should be a new correspo=
nding
> > property, not desktop/server. That can be quite misleading and I would
> > rather see it go away. Other than use it as a set of default values
>=20
> Sure, let's call it something else, but this is a typical behavior expect=
ed from the desktop/server property.=20
Well there could be property with different default values for desktop and =
servers, couldn't it? ;) Think about memory overcommit or default disk allo=
cation for example.
David
> So what we are going to do is that remove the property and throw away all=
the related data, while when (if ever) we get the new property (behaveAsDe=
sktop, notUsedWhenNotConnected, whatever we call it) the users of the syste=
m will set this property for the VM's that used to be desktops. We could sa=
ve that work for the users.
>=20
> Also, it may appear to be an edge-case, but for a good scheduling in my o=
pinion this is important.
>=20
> >=20
> > >=20
> > >=20
> > >>>=20
> > >>>>=20
> > >>>>>=20
> > >>>>> ----- Original Message -----
> > >>>>>> From: "Itamar Heim" <iheim@redhat.com>
> > >>>>>> To: "Laszlo Hornyak" <lhornyak@redhat.com>
> > >>>>>> Cc: "engine-devel" <engine-devel@ovirt.org>, "Andrew Cathrow"
> > >>>>>> <acathrow@redhat.com>
> > >>>>>> Sent: Wednesday, April 10, 2013 9:38:15 PM
> > >>>>>> Subject: Re: [Engine-devel] watchdog
> > >>>>>>=20
> > >>>>>> On 04/10/2013 04:59 PM, Laszlo Hornyak wrote:
> > >>>>>>> Hi,
> > >>>>>>>=20
> > >>>>>>> A new version of the watchd=C3=B6g feature is available in gerr=
it:
> > >>>>>>>=20
> > >>>>>>> http://gerrit.ovirt.org/13057 - db
> > >>>>>>> http://gerrit.ovirt.org/13058 - bll
> > >>>>>>> http://gerrit.ovirt.org/13059 - frontend
> > >>>>>>> http://gerrit.ovirt.org/13060 - rest
> > >>>>>>>=20
> > >>>>>>> http://www.ovirt.org/Features/Watchdog_engine_support
> > >>>>>>>=20
> > >>>>>>> Since the last update the patchset has gone through major chang=
es
> > >>>>>>> to
> > >>>>>>> meet
> > >>>>>>> the new architectureal and functional requirements.
> > >>>>>>> Also because of the rewrite this is again a preview version und=
er
> > >>>>>>> testing
> > >>>>>>> with some missing functionality, therefore I re-introduced the
> > >>>>>>> [wip]
> > >>>>>>> flag
> > >>>>>>> on it.
> > >>>>>>>=20
> > >>>>>>> Thx,
> > >>>>>>> Laszlo
> > >>>>>>> _______________________________________________
> > >>>>>>> Engine-devel mailing list
> > >>>>>>> Engine-devel@ovirt.org
> > >>>>>>> http://lists.ovirt.org/mailman/listinfo/engine-devel
> > >>>>>>=20
> > >>>>>> just a thought after looking at the feature page having differen=
t HA
> > >>>>>> dialog for server/desktop - I'd consider removing the distinctio=
n
> > >>>>>> between desktop and server in the GUI wrt HA (i.e., just both ha=
ve
> > >>>>>> same
> > >>>>>> set of options)
> > >>>>>>=20
> > >>>>>> (not blocking for this patch)
> > >>>>> _______________________________________________
> > >>>>> Engine-devel mailing list
> > >>>>> Engine-devel@ovirt.org
> > >>>>> http://lists.ovirt.org/mailman/listinfo/engine-devel
> > >> _______________________________________________
> > >> Engine-devel mailing list
> > >> Engine-devel@ovirt.org
> > >> http://lists.ovirt.org/mailman/listinfo/engine-devel
> > > _______________________________________________
> > > Engine-devel mailing list
> > > Engine-devel@ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/engine-devel
> > _______________________________________________
> > Engine-devel mailing list
> > Engine-devel@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/engine-devel
> >=20
> _______________________________________________
> Engine-devel mailing list
> Engine-devel@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/engine-devel
--=20
David Ja=C5=A1a, RHCE
SPICE QE based in Brno
GPG Key: 22C33E24=20
Fingerprint: 513A 060B D1B4 2A72 7F0D 0278 B125 CD00 22C3 3E24
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