Re: [ovirt-users] HostedEngine with HA

On Thu, Aug 18, 2016 at 11:50 AM, Carlos Rodrigues <cmar(a)eurotux.com&gt; wrote: > On Thu, 2016-08-18 at 11:42 +0200, Simone Tiraboschi wrote: > > On Thu, Aug 18, 2016 at 11:25 AM, Carlos Rodrigues <cmar@eurotux. > > com> wrote: > > > > > > On Thu, 2016-08-18 at 11:04 +0200, Simone Tiraboschi wrote: > > > > > > > > On Thu, Aug 18, 2016 at 10:36 AM, Carlos Rodrigues <cmar@euro > > > > tux.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@ > > > > > > 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 <c > > > > > > > > mar@euro > > > > > > > > tux. > > > > > > > > com> > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Sun, 2016-08-14 at 14:22 +0300, Roy Golan wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 12 August 2016 at 20:23, Carlos Rodrigues <cma > > > > > > > > > > r@eurotu > > > > > > > > > > x.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.HostedEn > > > > > > > > > gine.con > > > > > > > > > fig > > > > > > > > > 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? > > > > > > > > > > Do you mean any disk label? > > > I don't have it anyone: > > > > > > [root@ied-blade11 ~]#  ls /dev/disk/by-label/ > > > ls: cannot access /dev/disk/by-label/: No such file or > > > directory > > > > No I mean: go to the engine web-ui, select the hosted-engine > > storage > > domain, check the disks there. > > No, the alias is virtio-disk0. > And this is the engine VM disk, so the issue is why the engine has still to create the OVF_STORE. Can you please share your engine.log from the engine VM?

  > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 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(a)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(a)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 > > > -- > > > 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 > >