[ovirt-users] Re: ovirt-engine unresponsive - how to rescue?

Hmmm, virsh tells me the HE is running but it hasn't come up and the agent.log is full of the same errors. On Wed, Apr 8, 2020 at 11:31 PM Shareef Jalloq <shareef(a)jalloq.co.uk&gt; wrote: > Ah hah! Ok, so I've managed to start it using virsh on the second host > but my first host is still dead. > > First of all, what are these 56,317 .prob- files that get dumped to the > NFS mounts? > > Secondly, why doesn't the node mount the NFS directories at boot? Is > that the issue with this particular node? > > On Wed, Apr 8, 2020 at 11:12 PM <eevans(a)digitaldatatechs.com&gt; wrote: > >> Did you try virsh list --inactive >> >> >> >> Eric Evans >> >> Digital Data Services LLC. >> >> 304.660.9080 >> >> >> >> *From:* Shareef Jalloq <shareef(a)jalloq.co.uk&gt; >> *Sent:* Wednesday, April 8, 2020 5:58 PM >> *To:* Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; >> *Cc:* Ovirt Users <users(a)ovirt.org&gt; >> *Subject:* [ovirt-users] Re: ovirt-engine unresponsive - how to rescue? >> >> >> >> I've now shut down the VMs on one host and rebooted it but the agent >> service doesn't start. If I run 'hosted-engine --vm-status' I get: >> >> >> >> The hosted engine configuration has not been retrieved from shared >> storage. Please ensure that ovirt-ha-agent is running and the storage >> server is reachable. >> >> >> >> and indeed if I list the mounts under /rhev/data-center/mnt, only one of >> the directories is mounted. I have 3 NFS mounts, one ISO Domain and two >> Data Domains. Only one Data Domain has mounted and this has lots of .prob >> files in. So why haven't the other NFS exports been mounted? >> >> >> >> Manually mounting them doesn't seem to have helped much either. I can >> start the broker service but the agent service says no. Same error as the >> one in my last email. >> >> >> >> Shareef. >> >> >> >> On Wed, Apr 8, 2020 at 9:57 PM Shareef Jalloq <shareef(a)jalloq.co.uk&gt; >> wrote: >> >> Right, still down. I've run virsh and it doesn't know anything about >> the engine vm. >> >> >> >> I've restarted the broker and agent services and I still get nothing in >> virsh->list. >> >> >> >> In the logs under /var/log/ovirt-hosted-engine-ha I see lots of errors: >> >> >> >> broker.log: >> >> >> >> MainThread::INFO::2020-04-08 >> 20:56:20,138::broker::47::ovirt_hosted_engine_ha.broker.broker.Broker::(run) >> ovirt-hosted-engine-ha broker 2.3.6 started >> >> MainThread::INFO::2020-04-08 >> 20:56:20,138::monitor::40::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Searching for submonitors in >> /usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/broker/submonitors >> >> MainThread::INFO::2020-04-08 >> 20:56:20,138::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor network >> >> MainThread::INFO::2020-04-08 >> 20:56:20,140::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor cpu-load-no-engine >> >> MainThread::INFO::2020-04-08 >> 20:56:20,140::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor mgmt-bridge >> >> MainThread::INFO::2020-04-08 >> 20:56:20,141::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor network >> >> MainThread::INFO::2020-04-08 >> 20:56:20,141::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor cpu-load >> >> MainThread::INFO::2020-04-08 >> 20:56:20,141::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor engine-health >> >> MainThread::INFO::2020-04-08 >> 20:56:20,141::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor mgmt-bridge >> >> MainThread::INFO::2020-04-08 >> 20:56:20,142::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor cpu-load-no-engine >> >> MainThread::INFO::2020-04-08 >> 20:56:20,142::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor cpu-load >> >> MainThread::INFO::2020-04-08 >> 20:56:20,142::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor mem-free >> >> MainThread::INFO::2020-04-08 >> 20:56:20,143::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor storage-domain >> >> MainThread::INFO::2020-04-08 >> 20:56:20,143::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor storage-domain >> >> MainThread::INFO::2020-04-08 >> 20:56:20,143::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor mem-free >> >> MainThread::INFO::2020-04-08 >> 20:56:20,143::monitor::49::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Loaded submonitor engine-health >> >> MainThread::INFO::2020-04-08 >> 20:56:20,143::monitor::50::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Finished loading submonitors >> >> MainThread::INFO::2020-04-08 >> 20:56:20,197::storage_backends::373::ovirt_hosted_engine_ha.lib.storage_backends::(connect) >> Connecting the storage >> >> MainThread::INFO::2020-04-08 >> 20:56:20,197::storage_server::349::ovirt_hosted_engine_ha.lib.storage_server.StorageServer::(connect_storage_server) >> Connecting storage server >> >> MainThread::INFO::2020-04-08 >> 20:56:20,414::storage_server::356::ovirt_hosted_engine_ha.lib.storage_server.StorageServer::(connect_storage_server) >> Connecting storage server >> >> MainThread::INFO::2020-04-08 >> 20:56:20,628::storage_server::413::ovirt_hosted_engine_ha.lib.storage_server.StorageServer::(connect_storage_server) >> Refreshing the storage domain >> >> MainThread::WARNING::2020-04-08 >> 20:56:21,057::storage_broker::97::ovirt_hosted_engine_ha.broker.storage_broker.StorageBroker::(__init__) >> Can't connect vdsm storage: Command StorageDomain.getInfo with args >> {'storagedomainID': 'a6cea67d-dbfb-45cf-a775-b4d0d47b26f2'} failed: >> >> (code=350, message=Error in storage domain action: >> (u'sdUUID=a6cea67d-dbfb-45cf-a775-b4d0d47b26f2',)) >> >> MainThread::INFO::2020-04-08 >> 20:56:21,901::broker::47::ovirt_hosted_engine_ha.broker.broker.Broker::(run) >> ovirt-hosted-engine-ha broker 2.3.6 started >> >> MainThread::INFO::2020-04-08 >> 20:56:21,901::monitor::40::ovirt_hosted_engine_ha.broker.monitor.Monitor::(_discover_submonitors) >> Searching for submonitors in >> /usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/broker/submonitors >> >> >> >> agent.log: >> >> >> >> MainThread::ERROR::2020-04-08 >> 20:57:00,799::agent::145::ovirt_hosted_engine_ha.agent.agent.Agent::(_run_agent) >> Trying to restart agent >> >> MainThread::INFO::2020-04-08 >> 20:57:00,799::agent::89::ovirt_hosted_engine_ha.agent.agent.Agent::(run) >> Agent shutting down >> >> MainThread::INFO::2020-04-08 >> 20:57:11,144::agent::67::ovirt_hosted_engine_ha.agent.agent.Agent::(run) >> ovirt-hosted-engine-ha agent 2.3.6 started >> >> MainThread::INFO::2020-04-08 >> 20:57:11,182::hosted_engine::234::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_get_hostname) >> Found certificate common name: ovirt-node-01.phoelex.com >> >> MainThread::INFO::2020-04-08 >> 20:57:11,294::hosted_engine::543::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_initialize_broker) >> Initializing ha-broker connection >> >> MainThread::INFO::2020-04-08 >> 20:57:11,296::brokerlink::80::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(start_monitor) >> Starting monitor network, options {'tcp_t_address': '', 'network_test': >> 'dns', 'tcp_t_port': '', 'addr': '192.168.1.99'} >> >> MainThread::ERROR::2020-04-08 >> 20:57:11,296::hosted_engine::559::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_initialize_broker) >> Failed to start necessary monitors >> >> MainThread::ERROR::2020-04-08 >> 20:57:11,297::agent::144::ovirt_hosted_engine_ha.agent.agent.Agent::(_run_agent) >> Traceback (most recent call last): >> >> File >> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", >> line 131, in _run_agent >> >> return action(he) >> >> File >> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", >> line 55, in action_proper >> >> return he.start_monitoring() >> >> File >> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py", >> line 432, in start_monitoring >> >> self._initialize_broker() >> >> File >> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py", >> line 556, in _initialize_broker >> >> m.get('options', {})) >> >> File >> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", >> line 89, in start_monitor >> >> ).format(t=type, o=options, e=e) >> >> RequestError: brokerlink - failed to start monitor via ovirt-ha-broker: >> [Errno 2] No such file or directory, [monitor: 'network', options: >> {'tcp_t_address': '', 'network_test': 'dns', 'tcp_t_port': '', 'addr': >> '192.168.1.99'}] >> >> >> >> MainThread::ERROR::2020-04-08 >> 20:57:11,297::agent::145::ovirt_hosted_engine_ha.agent.agent.Agent::(_run_agent) >> Trying to restart agent >> >> MainThread::INFO::2020-04-08 >> 20:57:11,297::agent::89::ovirt_hosted_engine_ha.agent.agent.Agent::(run) >> Agent shutting down >> >> >> >> On Wed, Apr 8, 2020 at 6:10 PM Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; >> wrote: >> >> On April 8, 2020 7:47:20 PM GMT+03:00, "Maton, Brett" < >> matonb(a)ltresources.co.uk&gt; wrote: >> >On the host you tried to restart the engine on: >> > >> >Add an alias to virsh (authenticates with virsh_auth.conf) >> > >> >alias virsh='virsh -c >> >qemu:///system?authfile=/etc/ovirt-hosted-engine/virsh_auth.conf' >> > >> >Then run virsh: >> > >> >virsh >> > >> >virsh # list >> > Id Name State >> >---------------------------------------------------- >> > xx HostedEngine Paused >> > xx ********** running >> > ... >> > xx ********** running >> > >> >HostedEngine should be in the list, try and resume the engine: >> > >> >virsh # resume HostedEngine >> > >> >On Wed, 8 Apr 2020 at 17:28, Shareef Jalloq <shareef(a)jalloq.co.uk&gt; >> >wrote: >> > >> >> Thanks! >> >> >> >> The status hangs due to, I guess, the VM being down.... >> >> >> >> [root@ovirt-node-01 ~]# hosted-engine --vm-start >> >> VM exists and is down, cleaning up and restarting >> >> VM in WaitForLaunch >> >> >> >> but this doesn't seem to do anything. OK, after a while I get a >> >status of >> >> it being barfed... >> >> >> >> --== Host ovirt-node-00.phoelex.com (id: 1) status ==-- >> >> >> >> conf_on_shared_storage : True >> >> Status up-to-date : False >> >> Hostname : ovirt-node-00.phoelex.com >> >> Host ID : 1 >> >> Engine status : unknown stale-data >> >> Score : 3400 >> >> stopped : False >> >> Local maintenance : False >> >> crc32 : 9c4a034b >> >> local_conf_timestamp : 523362 >> >> Host timestamp : 523608 >> >> Extra metadata (valid at timestamp): >> >> metadata_parse_version=1 >> >> metadata_feature_version=1 >> >> timestamp=523608 (Wed Apr 8 16:17:11 2020) >> >> host-id=1 >> >> score=3400 >> >> vm_conf_refresh_time=523362 (Wed Apr 8 16:13:06 2020) >> >> conf_on_shared_storage=True >> >> maintenance=False >> >> state=EngineDown >> >> stopped=False >> >> >> >> >> >> --== Host ovirt-node-01.phoelex.com (id: 2) status ==-- >> >> >> >> conf_on_shared_storage : True >> >> Status up-to-date : True >> >> Hostname : ovirt-node-01.phoelex.com >> >> Host ID : 2 >> >> Engine status : {"reason": "bad vm status", >> >"health": >> >> "bad", "vm": "down_unexpected", "detail": "Down"} >> >> Score : 0 >> >> stopped : False >> >> Local maintenance : False >> >> crc32 : 5045f2eb >> >> local_conf_timestamp : 1737037 >> >> Host timestamp : 1737283 >> >> Extra metadata (valid at timestamp): >> >> metadata_parse_version=1 >> >> metadata_feature_version=1 >> >> timestamp=1737283 (Wed Apr 8 16:16:17 2020) >> >> host-id=2 >> >> score=0 >> >> vm_conf_refresh_time=1737037 (Wed Apr 8 16:12:11 2020) >> >> conf_on_shared_storage=True >> >> maintenance=False >> >> state=EngineUnexpectedlyDown >> >> stopped=False >> >> >> >> On Wed, Apr 8, 2020 at 5:09 PM Maton, Brett >> &gt;&lt;matonb(a)ltresources.co.uk&gt; >> >> wrote: >> >> >> >>> First steps, on one of your hosts as root: >> >>> >> >>> To get information: >> >>> hosted-engine --vm-status >> >>> >> >>> To start the engine: >> >>> hosted-engine --vm-start >> >>> >> >>> >> >>> On Wed, 8 Apr 2020 at 17:00, Shareef Jalloq <shareef(a)jalloq.co.uk&gt; >> >wrote: >> >>> >> >>>> So my engine has gone down and I can't ssh into it either. If I >> >try to >> >>>> log into the web-ui of the node it is running on, I get redirected >> >because >> >>>> the node can't reach the engine. >> >>>> >> >>>> What are my next steps? >> >>>> >> >>>> Shareef. >> >>>> _______________________________________________ >> >>>> Users mailing list -- users(a)ovirt.org >> >>>> To unsubscribe send an email to users-leave(a)ovirt.org >> >>>> Privacy Statement: https://www.ovirt.org/privacy-policy.html >> >>>> oVirt Code of Conduct: >> >>>> https://www.ovirt.org/community/about/community-guidelines/ >> >>>> List Archives: >> >>>> >> > >> https://lists.ovirt.org/archives/list/users@ovirt.org/message/W7BP57OCIRS... >> >>>> >> >>> >> >> This has to be resolved: >> >> Engine status : unknown stale-data >> >> Run again 'hosted-engine --vm-status'. If it remains the same, restart >> ovirt-ha-broker.service & ovirt-ha-agent.service >> >> Verify that the engine's storage is available. Then monitor the broker >> & agent logs in /var/log/ovirt-hosted-engine-ha >> >> Best Regards, >> Strahil Nikolov >> >> >> >>