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Hi,
At about 22:30 UTC last night (Tuesday) one of our power circuits went down for about 15 minutes. This affected one node of the HA cluster which was hosting the following services:
Sun Grid Engine master server tsbot IRC bot DNS recursor MySQL server for sql-toolserver MySQL replication support infrastructure LDAP server
All services failed over to the other node and were online again within 22 seconds. However, MySQL did not respond well to losing its replication connection and had to be restarted manually, causing about 30 minutes replication lag.
- river.