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    CA01- RCA - April 9, 2023



    This document serves as a Root Cause Analysis for the service interruption experienced by Ex Libris customers on Higher-Ed Platform CA01.

    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 CA01 

    Event Timeline 

    Service interruption was experienced by Ex Libris customers served by the Higher-Ed Platform CA01 instance at the Toronto Data Center during the following times:

    Between April 9, 2023 from 06:29 until 06:49 Ontario time

    During the event, Service was unavailable for the environment.

    Root Cause Analysis 


    Ex Libris Engineers investigated this event to determine the root cause analysis with the following results:

    During the maintenance window we performed a non-disruptive planned activity.

    Unfortunately, we encountered an issue during the process which resulted in a short service disruption.

    Once the issue was identified, we immediately fixed it and the service recovered.


    Technical Action Items and Preventive Measures 


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

    • The procedure is under review and optimization.

    • Protections will be added if necessary to prevent the recurrence of such disruption.


    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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