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    Alma Uptime Report for CN01 Instance (China) - Q4 2017

    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 six (6) months. The report measures our performance as defined in the Service Level Agreement. The report measures our performance as defined in the Alma Service Level Agreement. 

    This document details the uptime report for the Alma CN01 in China.


    The uptime measured on a rolling 6 month basis  July 2017 - Dec 2017 is 99.99%

    The uptime measured on a rolling 3 month basis Oct 2017 - Dec 2017 is 99.98%


    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 2017


    Start time


    End time




    October 07, 2017 14:47 PM 15:13 PM 26

    DB failure due to disk space issue

    Scheduled downtimes during maintenance windows in  Q4 2017

    Start Date

    Day of Week

    Start Time


    End Time


    Duration (Minutes)

    October 1, 2017 Sunday 00:55 AM 01:07 AM 12
    November 04, 2017 Saturday 20:02 PM 20:16 PM 14
    November 11, 2017 Saturday 23:04 PM 23:19 PM 15
    December 03, 2017 Sunday 01:34 AM 02:24 AM 50
    December 10, 2017 Sunday 00:04 AM 00:16 AM 12
    December 23, 2017 Saturday 22:08 PM 23:31 PM 83


    Total unscheduled downtime minutes during past 6 months


    Total unscheduled downtime in Quarter (minutes)

    Q3 2017 0
    Q4 2017 26


    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.

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