On Tue, Nov 28, 2017 at 2:14 PM, Arthur Melo <arthur@afabrica.net> wrote:

The oVirt show if the phisical host is unresponsive. Virtual Machines appear with a "?" on the status and I cannot start in another machine. I have to mark "host has been restarted" and put in management mode.

You might be missing the architecture here behind 'not responding'. If the host is not responding, we don't know what the status of the VM is. We don't know if the host is up or down.

This has two consequences:

1. We can't migrate the VM (as we can't communicate with our host daemon - VDSM).

2. We can't run the VM elsewhere (as we can't be sure it's down, it might cause corruption if we run it twice).

I've over-simplified a bit our architecture, as we have capabilities both for the host and the VM to see if they are still renewing their leases on the

storage.

In that case, we don't need to fence, but we still need to handle the situation somehow.

Atenciosamente,
Arthur Melo
Linux User #302250

2017-11-28 10:01 GMT-02:00 Michal Skrivanek <michal.skrivanek@redhat.com>:

On 28 Nov 2017, at 06:42, Arthur Melo <arthur@afabrica.net> wrote:

I had configured, but, I want to migrate before fencing. It's too long to start the machine again when phisical host not start.

then how do you know it’s non responsive and how do you want to make sure it’s not still running without fencing?

Atenciosamente,
Arthur Melo
Linux User #302250

2017-11-27 18:44 GMT-02:00 Michal Skrivanek <michal.skrivanek@redhat.com>:

> On 27 Nov 2017, at 12:58, Arthur Melo <arthur@afabrica.net> wrote:
>
> Hello, there!
>
> Is it possible to reduce time to auto migrate machines when node is non responsive?

if you configure power management on hosts so the actual state of VMs by fencing action it’s going to be faster
do you have that configured?

Thanks,
michal
>
> Atenciosamente,
> Arthur Melo
> Linux User #302250
>
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