2:10 a.m.
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Von: Francesco Romani [fromani(a)redhat.com]=0A=
Gesendet: Montag, 22. Februar 2016 09:06=0A=
An: Markus Stockhausen=0A=
Cc: users=0A=
Betreff: Re: [ovirt-users] Going crazy with emory hotplug on 3.6=0A=
=0A=
----- Original Message -----=0A=
> From: "Markus Stockhausen" <stockhausen(a)collogia.de>=0A=
> To: "users" <users(a)ovirt.org>=0A=
> Sent: Sunday, February 21, 2016 1:19:10 PM=0A=
> Subject: [ovirt-users] Going crazy with emory hotplug on 3.6=0A=
>=0A=
> Hi there,=0A=
=0A=
Hi Markus,=0A=
=0A=
[...]=0A=
> To make a long story short: I manually compiled OVirt/Centos qemu 2.3 a=
nd=0A=
> enabled=0A=
> the old Fedora machine type pc-1.0.=0A=
=0A=
Can you please elaborate on this?=0A=
Which package and version of qemu were you running?=0A=
We recommend to use the -ev variant (e.g. qemu-kvm-ev).=0A=
=0A=
The -ev variants provide in turn the *rhel* machine types=0A=
(qemu -machine ?), and they have much better=0A=
compatibility guarantees and an upgrade path.=0A=
=0A=
If you run the pc-* machines, you can easily run into troubles like this.=
=0A=
=0A=
We were running OVirt 3.5 with FC20 nodes (came from 3.4). The nodes did no=
t =0A=
install a qemu-ev but only a qemu. And the default machine type in that clu=
ster=0A=
is pc-1.0 (for whatever reason).=0A=
=0A=
> Question: What is the desired way to disable the hotplug qemu
parametri=
zation=0A=
> for single VMs in 3.6 cluster? It MUST be possible otherwise it
would n=
ot=0A=
> make sense to choos older machine types.=0A=
=0A=
Good point, but this should be true for rhel* machine types, and I didn't=
expect=0A=
you had pc-* machine in the first place!=0A=
Could you please share the package list and versions? Qemu, libvirt, vdsm=
,
ovirt-engine.=0A=
=0A=
Please be prepared to file a oVirt bug, on Engine, because Vdsm is just t=
he
humble=0A=
servant here, doing exactly what Engine orders.=0A=
=0A=
We will switch to rhel machine types. But for now we must preserve the pc-1=
.0 ones=0A=
from the Fedora cluster. =0A=
=0A=
Markus=0A=
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