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Friday, June 1, 2012

ICPSR system outage - 5/31/2012

ICPSR's content delivery systems faulted at approximately 8:30pm EDT on Thursday, May 31, 2012.  The oncall engineer discovered that the production Oracle database server had become unresponsive, and this disabled most features of most of our web portals.

After arriving on-site she rebooted the database server, but by then the production web server had become hopelessly confused.  She then rebooted that system as well, and all systems were back in service a bit before 9:30pm EDT.

The ICPSR technology team is reviewing system logs and access records to see if any further corrective action is required.

Our apologies for the inconvenience this no doubt caused to many of you.

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