HathiTrust


Category: 
Unscheduled MaintenanceUnscheduled Maintenance

Outage Status: 
Closed
 Wed, 12/11/2013 - 4:18pm
 
Outage Start on:  Wed, 12/11/2013 - 4:10pm

Description of the Outage: 

Users may have experienced slow or incomplete page viewing due to a problem at the Michigan site. The problem occurred at 4:10pm and was resolved at 4:18pm.

Additional details: The problem was previously observed in mid-October and has to due with a non-working state that is intermittently (and rarely) induced by restart mechanisms built into the software release process. After the last occurrence, staff investigated the symptom and developed theories as to the underlying cause, but did not arrive at a solution. While that investigation continues, we'll develop an enhancement to our service monitoring before the holiday break to detect the problem and remove affected systems from service, preventing any user impact.

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