Il giorno mer 23 giu 2021 alle ore 07:48 Yedidyah Bar David <[email protected]> ha scritto:
> On Wed, Jun 9, 2021 at 12:13 PM Yedidyah Bar David <[email protected]> > wrote: > > > > On Tue, Jun 8, 2021 at 9:01 AM Yedidyah Bar David <[email protected]> > wrote: > > > > > > On Tue, Jun 8, 2021 at 6:08 AM <[email protected]> wrote: > > > > > > > > Project: > https://jenkins.ovirt.org/job/ovirt-system-tests_he-basic-suite-master/ > > > > Build: > https://jenkins.ovirt.org/job/ovirt-system-tests_he-basic-suite-master/2046/ > > > > Build Number: 2046 > > > > Build Status: Failure > > > > Triggered By: Started by timer > > > > > > > > ------------------------------------- > > > > Changes Since Last Success: > > > > ------------------------------------- > > > > Changes for Build #2046 > > > > [Eitan Raviv] network: force select spm - wait for dc status > > > > > > > > > > > > > > > > > > > > ----------------- > > > > Failed Tests: > > > > ----------------- > > > > 1 tests failed. > > > > FAILED: > he-basic-suite-master.test-scenarios.test_004_basic_sanity.test_template_export > > > > > > > > Error Message: > > > > ovirtsdk4.Error: Failed to read response: [(<pycurl.Curl object at > 0x5624fe64d108>, 7, 'Failed to connect to 192.168.200.99 port 443: > Connection refused')] > > > > > > - The engine VM went down: > > > > > > > https://jenkins.ovirt.org/job/ovirt-system-tests_he-basic-suite-master/2046/artifact/exported-artifacts/test_logs/he-basic-suite-master/lago-he-basic-suite-master-host-0/_var_log/ovirt-hosted-engine-ha/agent.log > > > > > > MainThread::INFO::2021-06-08 > > > > 05:07:34,414::hosted_engine::517::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(_monitoring_loop) > > > Current state EngineUp (score: 3400) > > > MainThread::INFO::2021-06-08 > > > > 05:07:44,575::states::135::ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine::(score) > > > Penalizing score by 960 due to network status > > > > > > - Because HA monitoring failed to get a reply from the dns server: > > > > > > > https://jenkins.ovirt.org/job/ovirt-system-tests_he-basic-suite-master/2046/artifact/exported-artifacts/test_logs/he-basic-suite-master/lago-he-basic-suite-master-host-0/_var_log/ovirt-hosted-engine-ha/broker.log > > > > > > Thread-1::WARNING::2021-06-08 > > > 05:07:25,486::network::120::network.Network::(_dns) DNS query failed: > > > ; <<>> DiG 9.11.26-RedHat-9.11.26-4.el8_4 <<>> +tries=1 +time=5 > > > ;; global options: +cmd > > > ;; connection timed out; no servers could be reached > > > > > > Thread-3::INFO::2021-06-08 > > > 05:07:28,543::mem_free::51::mem_free.MemFree::(action) memFree: 1801 > > > Thread-5::INFO::2021-06-08 > > > > 05:07:28,972::engine_health::246::engine_health.EngineHealth::(_result_from_stats) > > > VM is up on this host with healthy engine > > > Thread-2::INFO::2021-06-08 > > > 05:07:31,532::mgmt_bridge::65::mgmt_bridge.MgmtBridge::(action) Found > > > bridge ovirtmgmt in up state > > > Thread-1::WARNING::2021-06-08 > > > 05:07:33,011::network::120::network.Network::(_dns) DNS query failed: > > > ; <<>> DiG 9.11.26-RedHat-9.11.26-4.el8_4 <<>> +tries=1 +time=5 > > > ;; global options: +cmd > > > ;; connection timed out; no servers could be reached > > > > > > Thread-4::INFO::2021-06-08 > > > > 05:07:37,433::cpu_load_no_engine::126::cpu_load_no_engine.CpuLoadNoEngine::(calculate_load) > > > System load total=0.3196, engine=0.1724, non-engine=0.1472 > > > Thread-3::INFO::2021-06-08 > > > 05:07:37,839::mem_free::51::mem_free.MemFree::(action) memFree: 1735 > > > Thread-5::INFO::2021-06-08 > > > > 05:07:39,146::engine_health::246::engine_health.EngineHealth::(_result_from_stats) > > > VM is up on this host with healthy engine > > > Thread-1::WARNING::2021-06-08 > > > 05:07:40,535::network::120::network.Network::(_dns) DNS query failed: > > > ; <<>> DiG 9.11.26-RedHat-9.11.26-4.el8_4 <<>> +tries=1 +time=5 > > > ;; global options: +cmd > > > ;; connection timed out; no servers could be reached > > > > > > Thread-1::WARNING::2021-06-08 > > > 05:07:40,535::network::92::network.Network::(action) Failed to verify > > > network status, (2 out of 5) > > > > > > - Not sure why. DNS servers: > > > > > > > https://jenkins.ovirt.org/job/ovirt-system-tests_he-basic-suite-master/2046/artifact/exported-artifacts/test_logs/he-basic-suite-master/lago-he-basic-suite-master-host-0/_etc_resolv.conf > > > > > > # Generated by NetworkManager > > > search lago.local > > > nameserver 192.168.200.1 > > > nameserver fe80::5054:ff:fe0c:9ad0%ovirtmgmt > > > nameserver fd8f:1391:3a82:200::1 > > Now happened again: > > > https://jenkins.ovirt.org/job/ovirt-system-tests_standard-check-patch/17434/ > > > https://jenkins.ovirt.org/job/ovirt-system-tests_standard-check-patch/17434/artifact/check-patch.he-basic_suite_master.el8.x86_64/test_logs/lago-he-basic-suite-master-host-0/var/log/ovirt-hosted-engine-ha/broker.log > > Thread-1::INFO::2021-06-22 > 18:57:29,134::network::88::network.Network::(action) Successfully > verified network status > ... > > Thread-1::WARNING::2021-06-22 > 18:58:13,390::network::92::network.Network::(action) Failed to verify > network status, (0 out of 5) > Thread-1::INFO::2021-06-22 > 18:58:15,761::network::88::network.Network::(action) Successfully > verified network status > ... > > > > > > > - The command we run is 'dig +tries=1 +time=5', which defaults to > > > querying for '.' (the dns root). This is normally cached locally, but > > > has a TTL of 86400, meaning it can be cached for up to one day. So if > > > we ran this query right after it expired, _and_ then the local dns > > > server had some issues forwarding our request (due to external issues, > > > perhaps), then it would fail like this. I am going to ignore this > > > failure for now, assuming it was temporary, but it might be worth > > > opening an RFE on ovirt-hosted-engine-ha asking for some more > > > flexibility - setting the query string or something similar. I think > > > that this bug is probably quite hard to reproduce, because normally, > > > all hosts will use the same dns server, and problems with it will > > > affect all of them similarly. > > > > > > - Anyway, it seems like there were temporary connectivity issues on > > > the network there. A minute later: > > > > > > > https://jenkins.ovirt.org/job/ovirt-system-tests_he-basic-suite-master/2046/artifact/exported-artifacts/test_logs/he-basic-suite-master/lago-he-basic-suite-master-host-0/_var_log/ovirt-hosted-engine-ha/broker.log > > > > > > Thread-1::INFO::2021-06-08 > > > 05:08:08,143::network::88::network.Network::(action) Successfully > > > verified network status > > > > > > But that was too late and the engine VM was already on its way down. > > > > > > A remaining open question is whether we should retry before giving up, > > > and where - in the SDK, in OST code, etc. - or whether this should be > > > considered normal. > > What do you think? > Question is: is retry in place also on vdsm side? Because if it fails on vdsm, it's better to fail here as well. If there's a retry process in vdsm for all network calls, I think we can relax the check here and retry before giving up. > > Best regards, > -- > Didi > > -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> [email protected] <https://www.redhat.com/> *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours. <https://mojo.redhat.com/docs/DOC-1199578>*
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