3.4 Upgrade Preparation Overview

The pre-upgrade procedures shown in the following table should be performed before the upgrade maintenance window and may be performed outside a maintenance window if desired.

Note:

If the customer deployment has both the FABR and PCA features enabled, then upgrade the DSR nodes first before upgrading the SDS nodes.

Note:

In Upgrade DR SDS NOAM procedure, Ext ID/MTC-HSS features are introduced in SDS. Provisioning these features is not allowed until all the servers are upgraded and the upgrade is accepted.

Upgrade Preparation Procedures

Table 3-6 Upgrade Preparation Procedures

Procedure Title	Elapsed Time (Hrs:Min)
	This Step	Cumulative
Required Materials Check	00:15	00:15
ISO Administration	*	*
Full Database Backup (PROV and COMCOL Env for All Servers	01:00	01:15

Note:

ISO transfers to the target systems cannot be estimated since times vary significantly depending on the number of systems and the speed of the network. The ISO transfers to the target systems should be performed before the scheduled maintenance window. The user should schedule the required maintenance windows accordingly.