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Johnson, A. N.

Paper Title Page
MOZ01 Infrastructure Monitoring System for the Advanced Photon Source Control System 19
  • D. E.R. Quock, N. D. Arnold, A. N. Johnson
    ANL, Argonne, Illinois
  An Infrastructure Monitoring System has been developed at Argonne National Laboratory’s Advanced Photon Source (APS) to provide immediate notification to the Controls Group on-call staff in the event of failure of critical controls hardware components or software processes. Approximately 6,000 critical controls components and processes have been identified, many of which can be readily monitored through EPICS records. Nagios , an open-source host, service, and network monitoring program, has been interfaced to EPICS Channel Access monitoring tools to provide historical tracking of controls infrastructure events, email, and pager notifications to on-call staff, and Internet-accessible status displays. Two methods have been evaluated for checking EPICS alarm status data: a modified version of Mauro Giacchini’s NAL plug-in for Nagios, and a Perl script using the Channel Access Perl library recently developed by Andrew Johnson. A Personal Device Assistant-viewable Web page is also generated independently of Nagios that provides customized links to the controls database IRMIS . Performance studies have validated the reliability of Nagios and the Perl Channel Access software.

* www.nagios.org
** www.lnl.infn.it/~epics/NAL.html
*** www.aps.anl.gov/epics/irmis

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