On Wed, Dec 13, 2017 at 4:15 PM, Luca 'remix_tj' Lorenzetto < lorenzetto.l...@gmail.com> wrote:
> Hello, > > Today i started troubleshooting more in depth on dns requests and exactly > while i was looking at tcpdump an event of EngineUp -> EngineBadHealth > happened. > > Looking at the dns requests i see this: > > [...] > 14:30:35.909201 IP kvmhost01.intranet.company.it.55654 > > dns.company.it.53: 34102+ A? engine01.intranet.company.it. (54) > 14:30:35.909215 IP kvmhost01.intranet.company.it.55654 > > dns.company.it.53: 6242+ AAAA? engine01.intranet.company.it. (54) > 14:30:40.914285 IP kvmhost01.intranet.company.it.55654 > > dns.company.it.53: 34102+ A? engine01.intranet.company.it. (54) > 14:30:40.914316 IP kvmhost01.intranet.company.it.55654 > > dns.company.it.53: 6242+ AAAA? engine01.intranet.company.it. (54) > 14:30:45.918306 IP kvmhost01.intranet.company.it.54885 > > dns.company.it.53: 60263+ A? engine01.intranet.company.it. > intranet.company.it. (74) > 14:30:45.918329 IP kvmhost01.intranet.company.it.54885 > > dns.company.it.53: 18681+ AAAA? engine01.intranet.company.it. > intranet.company.it. (74) > 14:30:50.920376 IP kvmhost01.intranet.company.it.54885 > > dns.company.it.53: 60263+ A? engine01.intranet.company.it. > intranet.company.it. (74) > 14:30:50.920411 IP kvmhost01.intranet.company.it.54885 > > dns.company.it.53: 18681+ AAAA? engine01.intranet.company.it. > intranet.company.it. (74) > 14:30:56.044242 IP kvmhost01.intranet.company.it.58319 > > dns.company.it.53: 28413+ A? engine01.intranet.company.it. (54) > 14:30:56.044267 IP kvmhost01.intranet.company.it.58319 > > dns.company.it.53: 29680+ AAAA? engine01.intranet.company.it. (54) > 14:31:01.049761 IP kvmhost01.intranet.company.it.58319 > > dns.company.it.53: 28413+ A? engine01.intranet.company.it. (54) > 14:31:01.049777 IP kvmhost01.intranet.company.it.58319 > > dns.company.it.53: 29680+ AAAA? engine01.intranet.company.it. (54) > 14:31:06.052635 IP kvmhost01.intranet.company.it.58093 > > dns.company.it.53: 24807+ A? engine01.intranet.company.it. > intranet.company.it. (74) > 14:31:06.052649 IP kvmhost01.intranet.company.it.58093 > > dns.company.it.53: 53745+ AAAA? engine01.intranet.company.it. > intranet.company.it. (74) > 14:31:11.057724 IP kvmhost01.intranet.company.it.58093 > > dns.company.it.53: 24807+ A? engine01.intranet.company.it. > intranet.company.it. (74) > 14:31:11.057745 IP kvmhost01.intranet.company.it.58093 > > dns.company.it.53: 53745+ AAAA? engine01.intranet.company.it. > intranet.company.it. (74) > 14:31:16.175204 IP kvmhost01.intranet.company.it.44950 > > dns.company.it.53: 63680+ A? engine01.intranet.company.it. (54) > 14:31:16.175225 IP kvmhost01.intranet.company.it.44950 > > dns.company.it.53: 15726+ AAAA? engine01.intranet.company.it. (54) > 14:31:19.670746 IP kvmhost01.intranet.company.it.54689 > > dns.company.it.53: 40999+ A? kvmsvilca01.intranet.company.it. (49) > 14:31:21.180295 IP kvmhost01.intranet.company.it.44950 > > dns.company.it.53: 63680+ A? engine01.intranet.company.it. (54) > 14:31:21.180337 IP kvmhost01.intranet.company.it.44950 > > dns.company.it.53: 15726+ AAAA? engine01.intranet.company.it. (54) > 14:31:23.771959 IP kvmhost01.intranet.company.it.53741 > > dns.company.it.53: 1707+ A? internalmx.intranet.company.it. (48) > [...] > > The last dns requests has success and gets the MX address and immediately > after i get the email reporting the status change. > Can you ensure it doesn't have multiple IPs registered for it in DNS? dig or so should help. Y. > > This is clearly an issue with name resolution, but that's not clear to me > from the broker.log file. The only message about it that i get is: > > Thread-16::DEBUG::2017-12-13 14:31:23,657::monitor::126:: > ovirt_hosted_engine_ha.broker.monitor.Monitor::(get_value) Submonitor > engine-health id 139653 > 412040592 current value: {"reason": "failed liveliness check", "health": > "bad", "vm": "up", "detail": "up"} > Thread-16::DEBUG::2017-12-13 14:31:23,657::listener::170:: > ovirt_hosted_engine_ha.broker.listener.ConnectionHandler::(handle) > Response: success {"reaso > n": "failed liveliness check", "health": "bad", "vm": "up", "detail": "up"} > > > But around that messages i get no signals of error on dns queries or > similar. Do i need to check on other log files? > > Luca > > > On Mon, Dec 11, 2017 at 3:34 PM, Luca 'remix_tj' Lorenzetto < > lorenzetto.l...@gmail.com> wrote: > >> Hi Martin, Hi all, >> >> *some minutes* has passed and i've the piece of log i'm looking at. >> >> >> broker.log-upbadup >> <https://drive.google.com/file/d/1wlWZPuhgtJRBWt4xUZC-Jis8vLWM1jYD/view?usp=drive_web> >> >> >> > > > -- > "E' assurdo impiegare gli uomini di intelligenza eccellente per fare > calcoli che potrebbero essere affidati a chiunque se si usassero delle > macchine" > Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716) > > "Internet è la più grande biblioteca del mondo. > Ma il problema è che i libri sono tutti sparsi sul pavimento" > John Allen Paulos, Matematico (1945-vivente) > > Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , < > lorenzetto.l...@gmail.com> > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >
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