Skip to main content
  • Subscribe by RSS
  • Ex Libris Knowledge Center

    Higher-Ed- Platform Uptime Report for CN01 Instance (China) - Q4 2020

    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 Service Level Agreement.


    This document details the uptime report for the Higher-Ed-Platform (Alma, Primo VE, Leganto, Esploro) CN01 in China.

    The uptime measured on a rolling 12 month basis  January 2020 - December 2020 is 99.99%

    The uptime measured on a rolling 3 month basis  October 2020 - December 2020 is 100%

    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 2020


    Start time

     [Beijing time]

    End time

    [Beijing time]




    Scheduled downtimes during maintenance windows in Q4 2020

    Start Date

    Day of week

    Start Time


    End Time


    Duration (Minutes)

    October 04, 2020 Sunday 01:01 AM 01:40 AM 39
    November 01, 2020 Sunday 12:07 AM 12:53 AM 46
    November 08, 2020 Sunday 12:03 AM 12:37 AM 34
    December 06, 2020  Sunday 12:02 AM 12:38 AM 36
    December 13, 2020  Sunday 12:05 AM 01:51 AM 106

    Total unscheduled downtime minutes during past 12 months


    Total unscheduled downtime in Quarter (minutes)

    Q1 2020 0
    Q2 2020 0
    Q3 2020 90
    Q4 2020 0


    How is Uptime Calculated?

    The uptime calculation is based on the following calculation (as defined in the 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.

    • Was this article helpful?