Re: [ovirt-users] Communication errors between engine and nodes?

On 13 Mar 2015, at 14:39, Chris Adams wrote: > Once upon a time, Roel de Rooy <RdeRooy(a)motto.nl&gt; said: >> We are observing the same thing with our oVirt environment. >> At random moments (could be a couple of times a day , once a day or even once every couple of days), we receive the "VDSNetworkException" message on one of our nodes. >> Haven't seen the "heartbeat exceeded" message, but could be that I overlooked it within our logs. >> At some rare occasions, we also do see "Host cannot access the Storage Domain(s) <UNKNOWN> attached to the Data Center", within the GUI. >> >> VM's will continue to run normally and most of the times the nodes will be in "UP" state again within the same minute. >> >> Will still haven't found the root cause of this issue. >> Our engine is CentOS 6.6 based and it's happing with both Centos 6 and Fedora 20 nodes. >> We are using a LCAP bond of 1Gbit ports for our management network. >> >> As we didn't see any reports about this before, we are currently looking if something network related is causing this. > > I just opened a BZ on it (since it isn't just me): > > https://bugzilla.redhat.com/show_bug.cgi?id=1201779 > > My cluster went a couple of days without hitting this (as soon as I > posted to the list of course), but then it happened several times > overnight. Interestingly, one error logged was communicating with the > node currently running my hosted engine. That should rule out external > network (e.g. switch and such) issues, as those packets should not have > left the physical box. well, hosted engine complicates things as you'd need to be able to see the status of the engine guest running a standalone engine installation or at least running that hosted engine on a single node without any other VM may help…. Thanks, michal > > -- > Chris Adams <cma(a)cmadams.net&gt; > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users