"Paul B. Henson" <hen...@acm.org> writes: > We currently have two kerberos realms, each consisting of three systems > (1 physical box and 2 virtual machines). For a while now we've been > having an issue where once a day, almost exactly every 24 hours, the two > physical boxes have a latency spike and don't respond to authentication > requests, to the point where our monitoring systems alarms that they're > down. Interestingly, this daily outage seems to happen every 24 hours > based on when the services were last restarted.
> We see a small spike on io requests that seems to correspond with the > delayed authentication processing. The two vm's in each realm also see > similar spikes, but the SAN they are on has loads of iops and they don't > seem to have an issue continuing to respond to requests during the > spike. > We're using openldap with the ldap backend. I assume you've already looked for daily cron jobs? It's common for LDAP servers to take a nightly LDIF dump for backups, for example, which would cause symptoms like this. -- Russ Allbery (ea...@eyrie.org) <http://www.eyrie.org/~eagle/> ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos
