Re: [Engine-devel] Watchdog support Feature
Hi Doron,
If the watchdog is set to action="reset" and you break the kernel, the VM will
stay in UP state while waiting for the watchdog to reset the VM, and will still be in UP
state while rebooting. So in theory engine will not be notified about a crash.
This behavior is different when the action="poweroff" because the watchdog will
really put the VM in a Down state and it is engine's job to restart it if HA as soon
as it receives the notification from VDSM.
----- Original Message -----
From: "Doron Fediuck" <dfediuck(a)redhat.com>
To: "Laszlo Hornyak" <lhornyak(a)redhat.com>
Cc: "engine-devel" <engine-devel(a)ovirt.org>
Sent: Sunday, February 10, 2013 4:40:29 PM
Subject: Re: [Engine-devel] Watchdog support Feature
Hi Laszlo,
Looks very useful. Any thoughts on what engine will do while
if the VM is defined as HA while the watchdog is resetting it?
----- Original Message -----
> From: "Laszlo Hornyak" <lhornyak(a)redhat.com>
> To: "engine-devel" <engine-devel(a)ovirt.org>
> Sent: Wednesday, February 6, 2013 11:25:03 AM
> Subject: Re: [Engine-devel] Watchdog support Feature
>
> Hi everyone,
>
> I hope everyone is satisfied with the spec, please read it through
> for the last time and I will move it to implementation phase soon.
>
> Thx,
> Laszlo
>
> ----- Original Message -----
> > From: "Laszlo Hornyak" <lhornyak(a)redhat.com>
> > To: "engine-devel" <engine-devel(a)ovirt.org>
> > Sent: Thursday, January 24, 2013 3:19:57 PM
> > Subject: Watchdog support Feature
> >
> > Hi,
> >
> > Watchdog support in engine will add watchdog to the ovirt UI and
> > REST
> > API. Watchdog cards will be mainly used in HA vm's.
> >
> > http://www.ovirt.org/Features/Watchdog_engine_support
> >
> > Your feedback is welcome!
> >
> > Thank you,
> > Laszlo
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