On Jan 4, 2017 1:34 PM, "Pavel Gashev" <Pax@acronis.com> wrote:

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.


Would be great if you can share more information about your setup. 
It's a great topic for an ovirt.org blog post, for example. 
Y. 

 

 

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 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@redhat.com
IRC : 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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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 14
blanchet@abes.fr 

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