12:21 a.m.
On Wed, Dec 9, 2015 at 8:04 PM, Michal Skrivanek <mskrivan(a)redhat.com>
wrote:
On 09 Dec 2015, at 18:07, Nathanaël Blanchet <blanchet(a)abes.fr> wrote:
Le 09/12/2015 18:00, Michal Skrivanek a écrit :
On 09 Dec 2015, at 17:54, Nathanaël Blanchet <blanchet(a)abes.fr> wrote:
Le 09/12/2015 17:12, Michal Skrivanek a écrit :
On 09 Dec 2015, at 14:54, Nathanaël Blanchet <blanchet(a)abes.fr> wrote:
Le 08/12/2015 11:43, Michal Skrivanek a écrit :
On 08 Dec 2015, at 11:20, Yaniv Dary < <ydary@redhat.com>ydary(a)redhat.com>
wrote:
Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109
Tel : +972 (9) 7692306
8272306
Email: ydary(a)redhat.com
IRC : ydary
On Tue, Dec 8, 2015 at 2:03 AM, Nathanaël Blanchet < <blanchet(a)abes.fr>
blanchet(a)abes.fr> wrote:
> Hi all,
>
> I may miss something but according to
> http://www.ovirt.org/Features/Hot_Plug_Memory, ovirt 3.6 was supposed to
> support the hot plug memory feature. Nothing happens in reality when
> increasing memory on a running vm with centos7.
> I found this :
> <http://lists.ovirt.orgpipermail/kimchi-devel/2015-June/010714.html>
> http://lists.ovirt.orgpipermail/kimchi-devel/2015-June/010714.html, and
> it seems that el7.1 can't support the feature because of its libvirt
> version (1.2.8) while the required one is 1.2.14.
> I didn't test, but I guess F22 supports it.
> Is there any chance that el7.2 would support it with a backported
> libvirtd?
>
It does support it, but only hot-plug not hot-unplug.
> Or will a dedicated libvirt rhev package be released so as the downstream
> to support it (like qemu-kvm for live snapshot some time ago)?
> Documentation and limitation of the libvirt version for hot plug memory
> are difficult to find in the ovirt wiki and more generally on the web.
> Maybe the feature has been postponed to a 3.6.z release?
>
I works with fedora and you can use it currently with this feature.
It works on centos too, qemu-kvm-ev 2.3 we distribute in ovirt repo
Hello, no qemu-kvm-ev 2.3 is not enough:
[root@fuji ~]# qemu-img --version
qemu-img version 2.3.0 (qemu-kvm-ev-2.3.0-29.1.el7), Copyright (c)
2004-2008 Fabrice Bellard
and
vdsm-4.17.10.1-0.el7.centos.noarch
I get this error message each time I try to hot add memory :
Dec 9 11:18:00 fuji journal: unsupported configuration: unknown device
type ‘memory'
was the VM started in a 3.6 cluster?
sure, on a full 3.6 cluster. I stopped/restarted them. I restarted vdsmd
and libvirtd
ok..and just for the sake of completeness - what is libvirt version
exactly? If you’re running <1.2.14 then your initial comment make a lot of
sense….
Yes, el7.2 has the right one (1.2.17) but even on 7.1 it should support it
and if it doesn’t it’s our problem we should fix in ovirt (similarly as we
solve qemu by shipping it ourselves)
libvirt-daemon-1.2.8-16.el7_1.5.x86_64
I'm really surprised that such a waited feature has not been yet tested by
the community users with el7, so that nobody has reported the issue yet.
the feature has been tested (by me) and bug was already reported (here
https://bugzilla.redhat.com/show_bug.cgi?id=1287994 )
Weird indeed. Well, RHEL 7.2 is out for more than a month and there
is
centos 7.2 beta and perhaps rc as well, it's due very soon
Sandro, we should think about it - since we push qemu-kvm-ev we do not
really enforce anyone to run on el7.2. We want to do that for various
reasons as soon as possible. Maybe updating qemu-kvm-ev to require new 7.2
libvirt?
No idea. If it's libvirt issue, can you test
http://cbs.centos.org/koji/buildinfo?buildID=4726 ? it's from centos virt
sig, introduced for Xen but should work on kvm as well. or the 7.2 libvirt
from http://mirror.centos.org/centos/7/cr/x86_64/Packages/.
Or how/when did you create it?
those vms have been created before uprading to 3.6, some of them from a
blank template, other one based on a el7 template.
Thanks,
michal
I tried to restart vdsmd but it is the same, even on other hosts.
any help will be appreciated, thank you.
> Thank you for your help
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Nathanaël Blanchet
Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14blanchet(a)abes.fr
--
Nathanaël Blanchet
Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14blanchet(a)abes.fr
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Sandro Bonazzola
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