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    HEP AP01 - RCA - December 20, 2021

    Introduction

    This document serves as a Root Cause Analysis for the service interruption experienced by Ex Libris customers on Higher-Ed Platform AP01

    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.

    Event Timeline

    Service interruption was experienced by Ex Libris customers served by the Higher-Ed Platform AP01 instance at the Singapore Data Center between December 20, 2021 from 12:44 until 14:09 Singapore time.
     

    During this time frame there was a service disruption.

    Root Cause Analysis

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

    Due to a malfunction in one of the network devices, our services from the Singapore datacenter become unavailable for customers.

    Once the issue was identified, we enabled the redundant network device to bring the service back up.

    Technical Action Items and Preventive Measures

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

    We continue to work with the Network device vendor to get his final RCA.

     

     

    Customer Communication

    Ex Libris 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: http://status.exlibrisgroup.com/

    These updates are automatically sent as emails to registered customers.

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