3.5 Primary SDS Site or DR SDS Site Upgrade Execution Overview

The procedures shown in the following table are performed inside a maintenance window. The order of the upgrade for the primary NOAM NE and DR NOAM NE needs to be followed as shown in following table.

Note:

During the upgrade of servers, there are steps to check the replication status before going to the next server back out. Follow those steps to execute; otherwise, data loss is possible.

Note:

During upgrade some alarms/events may be raised that can be ignored. Alarms are mentioned in Access the OAM GUI Using the VIP (NOAM/SOAM).

Table 3-7 Primary SDS or DR SDS Upgrade Procedures Strategy

Procedure Title	Elapsed Time (Hrs:Min)
	This Step	Cumulative
Upgrade the Primary SDS NOAM	01:00	02:15
Upgrade the Primary SDS NOAM	01:00	03:15