It's interesting, I have an opposite opinion. I don’t see why oVirt reinvents its own HA instead of using Pacemaker. And it’s not old, it’s mature ;)
I my case, I had no option to setup Hosted Engine since migration to oVirt required storage rearrangement. Now I have to run HA oVirt VM using Pacemaker + DRBD. Works great.
From: <users-bounces@ovirt.org> on behalf of Fernando Frediani <fernando.frediani@upx.com.br>
Date: Tuesday 3 January 2017 at 15:38
To: "users@ovirt.org" <users@ovirt.org>
Subject: Re: [ovirt-users] How to execute Virsh command after ovirt installation ?
Honestlly I don't see why in 2017 people still using the old DRBD + Pacemaker solution for virtualization stuff.
On 03/01/2017 10:35, TranceWorldLogic . wrote:
Thanks, I agree bad idea to execute virsh command without knowing vdsm and engine.
Is their any plan in ovirt to support drbd + Pacemaker ?
On Tue, Jan 3, 2017 at 4:29 PM, Michal Skrivanek <michal.skrivanek@redhat.com> wrote:
On 3 Jan 2017, at 11:55, Nathanaël Blanchet <blanchet@abes.fr> wrote:
except for quickly get RO informations like "virsh capabilities".
When you come from libvirt and you know what to do, you might not want to find/read a dedicated documentation for such a little query.
yes, sure, for read-only
but for any modification, no matter how minimal, it’s almost always needed to inform vdsm/engine to know about it to prevent corner cases, misdetections, etc...
Le 03/01/2017 à 11:19, Michal Skrivanek a écrit :
On 3 Jan 2017, at 11:15, Nathanaël Blanchet <blanchet@abes.fr> wrote:
Use at your own risks:
vdsm@ovirt:shibboleth
But, you may unsynchronize your host HW with engine database.
it is almost always a bad idea to do that
hooks are exactly for the cases like below, just in a cleaner way
Le 03/01/2017 à 11:09, Yaniv Dary a écrit :
It is preferable you use VDSM hooks to add devices to VMs.
Yaniv DaryTechnical Product ManagerRed Hat Israel Ltd.34 Jerusalem RoadBuilding A, 4th floorRa'anana, Israel 4350109Tel : +972 (9) 76923068272306Email: ydary@redhat.comIRC : ydary
On Tue, Jan 3, 2017 at 10:58 AM, TranceWorldLogic . <tranceworldlogic@gmail.com> wrote:
Hi Joop,
I want to add drdb device in vm instance hence would like to execute virsh command.
Is it possible ?
Thanks,
~Rohit
On Tue, Jan 3, 2017 at 1:26 PM, jvandewege <jvandewege@nieuwland.nl> wrote:
On 3-1-2017 8:32, TranceWorldLogic . wrote:
> Hi,
>
> I tried execution below virsh command after ovirt installation.
> but it requesting username and password.
>
> ~# virsh list --all
> Please enter your authentication name:
>
> Please let me know which username and password I have to provide ?
If you only need read access then you need to supply -r as an additional
argument.
Why do you need virsh because that will only give you the info on that
host, using ovirt-shell gives you the info for all hosts.
Joop
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