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    NA07- RCA - March 1, 2023


    This document serves as a Root Cause Analysis for the service interruption experienced by Ex Libris customers on Higher-Ed Platform NA07

    The goal of this document is to share our findings regarding the event, specify the root cause analysis, outline actions to be taken to solve the downtime event, as well as preventive measures Ex Libris is taking to avoid similar cases in future.

    Affected Products


    HEP NA NA07

    Event Timeline

    Service interruption was experienced by Ex Libris customers served by the Higher-Ed Platform NA07 instance at the Seattle Data Center on March 1, 2023, from 10:52 until 12:00 Seattle time.

    During this time frame the service was unavailable.

    Root Cause Analysis

    Ex Libris engineers investigated this event to determine the root cause of this issue and concluded the following:

    One of the Temporary Database files ran out of space causing some application transactions to fail.

    Ex Libris engineers enlarged the temp file size and improved the monitoring.


    Technical Action Items and Preventive Measures

    Ex Libris has taken the following action and preventive measures to avoid such an occurrence in future:

    • Enlarge the temp file
    • Added a new monitoring to identify the issue if reoccurs

    Customer Communication

    ExLibris is committed to providing customers with prompt and ongoing updates during Cloud events. Ongoing and prompt updates on service interruptions appear in the system status portal at this address:

    These updates are automatically sent as emails to registered customers.


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