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    Primo Uptime Report for Primo TC APAC02 Instance (APAC) - Q4 2015

    Primo Uptime Quarterly Reports are published each quarter to provide a comprehensive view of our uptime performance as measured over the last three (3) months and over the last twelve (12) months. The report measures our performance as defined in the Primo Service Level Agreement.


    This document details the uptime report for the Primo TC APAC02 instance in APAC.



    The Primo uptime measured on a rolling 12 month basis (January 2015 - December 2015 ) is 99.96%



    Please note our System Uptime Status page, which allows our customers to view the current status of their instance/environment at any time, using the following link:


    Unscheduled downtime incidents in Q4 2015 (Lasting over 20 minutes):


    Start time

    (Singapore TZ)

    End time

    (Singapore TZ)



    October 28, 2015 2:17 PM 3:20 PM 63

    The data center had experienced storage issues impacting all applications.

    December 23, 2015 6:09 PM 6:53 PM 44

    Our Internet provider aggregator encountered issues with 2 of its providers in APAC.Those issues caused high amount of packet loss from our DC in Singapore to our DC in NA that holds Primo Central

    Scheduled downtimes during maintenance windows in Q4 2015

    Start Date

    Start Time

    (Singapore TZ)

    End Time

    (Singapore TZ)

    Duration (Minutes)

    November 07, 2015 10:00 PM 6:00 AM 480
    November 28, 2015 11:10 PM 12:01 AM 51


    Total unscheduled downtime minutes during past 12 months


    Total unscheduled downtime in Quarter (minutes)



    Q2 20
    Q3 50
    Q4 119


    How is Uptime Calculated?

    The uptime calculation is based on the following calculation (as defined in the Alma Service Level Agreement):

    "Uptime" means the total period in minutes during which the Service is available for access and use during this period.


    Uptime Percentage” means Uptime expressed as a percentage, calculated in accordance with the following formula:   


     Uptime Percentage = X /(Y–Z) × 100    


      X = Uptime

      Y = Last 12 months period

      Z = The duration (in minutes) of any SLA Exclusions* during these 12 months


    *SLA exclusions are defined in the contract SLA (e.g. Scheduled maintenance, etc.)


    Further Information

    If you have any queries on the information within this report please contact Ex Libris through your usual channel.

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