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

    Alma Uptime Report for NA01 Instance (North America) - Q4 2016

    Alma 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 Alma Service Level Agreement.


    This document details the uptime report for the Alma NA01 in North America. The instance your organization uses can be identified by the URL (Alma NA01 instance is


    The Alma uptime measured on a rolling 12 month basis January 2016 - December 2016 is 99.97%

    The Alma uptime measured on a rolling 3 month basis October 2016 - December 2016 is 99.99%




    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 2016


    Start time


    End time




    October 05, 2016 9:15:00 AM 9:23:00 PM 8 We have identified an infrastructure defect on one of the core switches (hardware element). As a result of the defect, the switch was rebooted. Following that reboot, a failover to the adjacent redundant Core Switch took place, but a miss-configuration on the load balancer had prevented that failover of the load balancer to take place – this has caused the system disruption.

    Scheduled downtimes during maintenance windows in Q4 2016

    Start Date

    Start Time


    End Time


    Duration (Minutes)

    October 09, 2016 11:02:00 PM 11:18:00 AM 16
    November 06, 2016 12:14:00 AM 1:54:00 AM 100
    November 13, 2016 1:01:00 AM 2:15:00 AM 74
    December 04, 2016 1:50:00 AM 2:19:00 AM 29
    December 11, 2016 12:07:00 AM 12:24:00 AM 17


    Total unscheduled downtime minutes during past 12 months


    Total unscheduled downtime in Quarter (minutes)

    Q1 2016 165

    Q2 2016


    Q3 2016 6
    Q4 2016 8


    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.