Il 26/05/2015 15:04, Martin Perina ha scritto: > > > ----- Original Message ----- >> From: "Daniel Helgenberger" <daniel.helgenber...@m-box.de> >> To: "Martin Perina" <mper...@redhat.com> >> Cc: users@ovirt.org >> Sent: Tuesday, 26 May, 2015 2:40:23 PM >> Subject: Re: [ovirt-users] Getting kdump integration to work >> >> >> >> On 26.05.2015 10:54, Martin Perina wrote: >>> Hi Daniel, >> Hello Martin, >> >>> >>> ----- Original Message ----- >>>> From: "Daniel Helgenberger" <daniel.helgenber...@m-box.de> >>>> To: users@ovirt.org >>>> Sent: Tuesday, 26 May, 2015 10:45:34 AM >>>> Subject: [ovirt-users] Getting kdump integration to work >>>> >>>> Hello, >>>> >>>> I followed the feature's page [1] and added to my test hosts the >>>> following lines /etc/kdump: >>>> >>>> fence_kdump_nodes othernode-in-cluster >>>> fence_kdump_args -p 7410 -f auto -i 5 >>> >>> Please don't do this, this is added automatically when you deploy >>> you host using oVirt UI with "Kdump integration" enabled in PM tab >>> of the host. >>> >>>> >>>> Further, I added a firewall rule on both machines: >>>> -A INPUT -p udp --dport 7410 -j ACCEPT >>> >>> Same as above, this is needed only on engine hosts and it's done >>> automatically during oVirt engine installation. >>> >>>> >>>> and restarted kdump. >>> >>> Same as above, this is done automatically during host deploy. >>> >>>> >>>> Yet I get on the engine's side: >>>> >>>> 2015-05-26 10:41:54,113 WARN >>>> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] >>>> (ajp--127.0.0.1-8702-7) Correlation ID: null, Call Stack: null, Custom >>>> Event ID: -1, Message: Kdump integration is enabled for host 'hv02', but >>>> kdump is not configured properly on host. >>> >>> Could you please try to do it properly: >>> >>> 1. Put host to maintenance >>> 2. Enable "Kdump integration" in PM tab >>> 3. Reinstall the host (click Reinstall when you select the host in Hosts >>> tab) >> >> Thanks! This procedure seem to work, engine reporting kdump as activated. >> It was rather unclear to me, since I run hosted engine: After host >> deploy they are in the default state, no PM configured. Hence, kdump >> integration is disabled and will never activate since PM has to be >> configured in the first place to install. >> >> Do you think it is a better idea to always activate kdump in the host >> deploy stage so it can later be activated correctly with PM configured? > > Well, I've never tested kdump integration with hosted engine, so adding > Sandro to the thread. > > I'm not sure if there's any value of Kdump integration for the hosted > engine itself, but if hosted engine behaves according to following > rules, you can be sure that your dump is not lost: > > 1. When VM with hosted engine is migrated from dumping host to the > another host, the VM should have the same FQDN. > If not, then you will have to change FenceKdumpDestinationAddress > parameter accordingly
The VM doesn't change the FQDN or the engine will become unreachable for the HA agent and the VM will be restarted on a different host since the host will have score 0. > > 2. Also when VM with hosted engine is migrated to another host, not > only ovirt-engine service has to started on it but also > ovirt-fence-kdump-listener service has to be started The migration doesn't affect enabled services. > > Martin Perina > >> >>> >>> >>> Thanks a lot >>> >>> Martin Perina >> Cheers! >>> >>>> >>>> Thanks! >>>> >>>> Versions: >>>> CentOS7.1 3.10.0-229.4.2.el7.x86_64 #1 SMP Wed May 13 10:06:09 UTC 2015 >>>> x86_64 x86_64 x86_64 GNU/Linux >>>> >>>> ovirt-engine-cli-3.5.0.5-1.el7.centos.noarch >>>> ovirt-engine-userportal-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-webadmin-portal-3.5.2.1-1.el7.centos.noarch >>>> ovirt-guest-agent-common-1.0.10-2.el7.noarch >>>> ovirt-engine-jboss-as-7.1.1-1.el7.x86_64 >>>> ovirt-release35-004-1.noarch >>>> ovirt-engine-sdk-python-3.5.2.1-1.el7.centos.noarch >>>> ovirt-image-uploader-3.5.1-1.el7.centos.noarch >>>> ovirt-engine-setup-plugin-ovirt-engine-common-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-websocket-proxy-3.5.2.1-1.el7.centos.noarch >>>> ovirt-host-deploy-java-1.3.1-1.el7.noarch >>>> ovirt-engine-reports-3.5.2-0.3.el7.centos.noarch >>>> ovirt-engine-dwh-setup-3.5.2-0.1.el7.centos.noarch >>>> ovirt-engine-tools-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-setup-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-restapi-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-setup-base-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-setup-plugin-websocket-proxy-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-reports-setup-3.5.2-0.3.el7.centos.noarch >>>> ovirt-engine-dwh-3.5.2-0.1.el7.centos.noarch >>>> ovirt-engine-dbscripts-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-setup-plugin-ovirt-engine-3.5.2.1-1.el7.centos.noarch >>>> ovirt-engine-backend-3.5.2.1-1.el7.centos.noarch >>>> ovirt-iso-uploader-3.5.2-1.el7.centos.noarch >>>> ovirt-engine-extensions-api-impl-3.5.2.1-1.el7.centos.noarch >>>> ovirt-host-deploy-1.3.1-1.el7.noarch >>>> ovirt-engine-lib-3.5.2.1-1.el7.centos.noarch >>>> >>>> >>>> [1] http://www.ovirt.org/Fence_kdump >>>> >>>> -- >>>> Daniel Helgenberger >>>> m box bewegtbild GmbH >>>> >>>> P: +49/30/2408781-22 >>>> F: +49/30/2408781-10 >>>> >>>> ACKERSTR. 19 >>>> D-10115 BERLIN >>>> >>>> >>>> www.m-box.de www.monkeymen.tv >>>> >>>> Geschäftsführer: Martin Retschitzegger / Michaela Göllner >>>> Handeslregister: Amtsgericht Charlottenburg / HRB 112767 >>>> _______________________________________________ >>>> Users mailing list >>>> Users@ovirt.org >>>> http://lists.ovirt.org/mailman/listinfo/users >>>> >>> >> >> -- >> Daniel Helgenberger >> m box bewegtbild GmbH >> >> P: +49/30/2408781-22 >> F: +49/30/2408781-10 >> >> ACKERSTR. 19 >> D-10115 BERLIN >> >> >> www.m-box.de www.monkeymen.tv >> >> Geschäftsführer: Martin Retschitzegger / Michaela Göllner >> Handeslregister: Amtsgericht Charlottenburg / HRB 112767 >> -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users