Checklist for upgrading a Geographic Redundant deployment

Last Updated : Nov 23, 2018 |
Prolog information
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If you are upgrading Presence Services deployed in Geographic Redundant mode, choose to do either of the following:
  • Upgrade both data centers at once.
    This upgrade option is service impacting and Presence Services are not available during the duration of the upgrade. Use the instructions provided in release notes to upgrade both data centers at the same time.
  • Upgrade one data center at a time
    This upgrade option provides ability to do in-service upgrades, that is the Presence Services is available to the users of both the data centers while one of the data center is upgrading.
    Other:
    Upgrading a data center may impact Avaya Aura® services other than Presence Services. Upgrades should be scheduled during a maintenance window to avoid any service disruptions.
In the following checklist, the two data centers are referred as DC-1 & DC-2
Checklist for performing in-service upgrade in a geographic redundant deployment.
No.
Task
Reference
1
Disable access to DC-1.
Disabling access to a data center
2
Perform DC-1 upgrade
Upgrading from Presence Services 7.x to a newer version
3
Enable access to DC-1.
Enabling access to a data center
4
Disable access to DC-2
Disabling access to a data center
5
Perform DC-2 upgrade
Upgrading from Presence Services 7.x to a newer version
6
Enable access to DC-2
Enabling access to a data center