-- RajaNandakumar - 06 Oct 2008

Problem seen

The DIRAC3 web interface and the CLI had become unresponsive the from Friday 03 October 2008. For example the elog operations eLog 746

Debug information

  • The CLI was also unresponsive - so it was a problem with the services.
  • The production system alone was affected (volhcb09.cern.ch)
  • Problems seen in WorkloadManagement/JobHistoryAgent

2008-10-04 02:23:52 UTC WorkloadManagement/JobHistoryAgent/JobDB FATAL: Can not connect to DB, exiting...

and also

1205: Lock wait timeout exceeded; try restarting transaction

Solution

  • Restart the mysql server on volhcb09.cern.ch

/opt/dirac/pro/mysql/share/mysql/mysql.server stop --user=dirac
sleep 10
/opt/dirac/pro/mysql/share/mysql/mysql.server start --user=dirac

  • Restart all the running agents and services on volhcb09.cern.ch

cd /opt/dirac/startup
../bin/runsvctrl t *

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Topic revision: r1 - 2008-10-06 - RajaNandakumar
 
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