[ovirt-users] HostedEngine with HA

[Simone Tiraboschi]

On Thu, Aug 18, 2016 at 10:36 AM, Carlos Rodrigues <cmar at eurotux.com> wrote:
> On Thu, 2016-08-18 at 10:27 +0200, Simone Tiraboschi wrote:
>> On Thu, Aug 18, 2016 at 10:22 AM, Carlos Rodrigues <cmar at eurotux.com>
>> wrote:
>> >
>> > On Thu, 2016-08-18 at 08:54 +0200, Simone Tiraboschi wrote:
>> > >
>> > > On Tue, Aug 16, 2016 at 12:53 PM, Carlos Rodrigues <cmar at eurotux.
>> > > com>
>> > > wrote:
>> > > >
>> > > >
>> > > > On Sun, 2016-08-14 at 14:22 +0300, Roy Golan wrote:
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > On 12 August 2016 at 20:23, Carlos Rodrigues <cmar at eurotux.co
>> > > > > m>
>> > > > > wrote:
>> > > > > >
>> > > > > >
>> > > > > > Hello,
>> > > > > >
>> > > > > > I have one cluster with two hosts with power management
>> > > > > > correctly
>> > > > > > configured and one virtual machine with HostedEngine over
>> > > > > > shared
>> > > > > > storage with FiberChannel.
>> > > > > >
>> > > > > > When i shutdown the network of host with HostedEngine
>> > > > > > VM,  it
>> > > > > > should be
>> > > > > > possible the HostedEngine VM migrate automatically to
>> > > > > > another
>> > > > > > host?
>> > > > > >
>> > > > > migrate on which network?
>> > > > >
>> > > > > >
>> > > > > >
>> > > > > > What is the expected behaviour on this HA scenario?
>> > > > >
>> > > > > After a few minutes your vm will be shutdown by the High
>> > > > > Availability
>> > > > > agent, as it can't see network, and started on another host.
>> > > >
>> > > >
>> > > > I'm testing this scenario and after shutdown network, it should
>> > > > be
>> > > > expected that agent shutdown ha and started on another host,
>> > > > but
>> > > > after
>> > > > couple minutes nothing happens and on host with network we
>> > > > getting
>> > > > the
>> > > > following messages:
>> > > >
>> > > > Aug 16 11:44:08 ied-blade11.install.eurotux.local ovirt-ha-
>> > > > agent[2779]:
>> > > > ovirt-ha-agent
>> > > > ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine.config
>> > > > ERROR
>> > > > Unable to get vm.conf from OVF_STORE, falling back to initial
>> > > > vm.conf
>> > > >
>> > > > I think the HA agent its trying to get vm configuration but
>> > > > some
>> > > > how it
>> > > > can't get vm.conf to start VM.
>> > >
>> > > No, this is a different issues.
>> > > In 3.6 we added a feature to let the engine manage also the
>> > > engine VM
>> > > itself; ovirt-ha-agent will pickup the latest engine VM
>> > > configuration
>> > > from the OVF_STORE which is managed by the engine.
>> > > If something goes wrong, ovirt-ha-agent could fallback to the
>> > > initial
>> > > (bootstrap time) vm.conf. This will normally happen till you add
>> > > your
>> > > first regular storage domain and the engine imports the engine
>> > > VM.
>> >
>> > But i already have my first storage domain and storage engine
>> > domain
>> > and already imported engine VM.
>> >
>> > I'm using 4.0 version.
>>
>> This seams an issue, can you please share your
>> /var/log/ovirt-hosted-engine-ha/agent.log ?
>>
>
> I sent it in attachment.

Nothing strange here;
do you see a couple of disks with alias OVF_STORE on the hosted-engine
storage domain if you check it from the engine?

>> > >
>> > > >
>> > > > Regards,
>> > > > Carlos Rodrigues
>> > > >
>> > > >
>> > > > >
>> > > > >
>> > > > > >
>> > > > > >
>> > > > > >
>> > > > > > Regards,
>> > > > > >
>> > > > > > --
>> > > > > > Carlos Rodrigues
>> > > > > >
>> > > > > > Engenheiro de Software Sénior
>> > > > > >
>> > > > > > Eurotux Informática, S.A. | www.eurotux.com
>> > > > > > (t) +351 253 680 300 (m) +351 911 926 110
>> > > > > >
>> > > > > > _______________________________________________
>> > > > > > Users mailing list
>> > > > > > Users at ovirt.org
>> > > > > > http://lists.ovirt.org/mailman/listinfo/users
>> > > > > >
>> > > > >
>> > > > --
>> > > > Carlos Rodrigues
>> > > >
>> > > > Engenheiro de Software Sénior
>> > > >
>> > > > Eurotux Informática, S.A. | www.eurotux.com
>> > > > (t) +351 253 680 300 (m) +351 911 926 110
>> > > >
>> > > > _______________________________________________
>> > > > Users mailing list
>> > > > Users at ovirt.org
>> > > > http://lists.ovirt.org/mailman/listinfo/users
>> > --
>> > Carlos Rodrigues
>> >
>> > Engenheiro de Software Sénior
>> >
>> > Eurotux Informática, S.A. | www.eurotux.com
>> > (t) +351 253 680 300 (m) +351 911 926 110
>> >
> --
> Carlos Rodrigues
>
> Engenheiro de Software Sénior
>
> Eurotux Informática, S.A. | www.eurotux.com
> (t) +351 253 680 300 (m) +351 911 926 110