9 Site Upgrade Execution

This section contains the procedures for upgrading an entire site — starting with the pre-upgrade activities, upgrading the SOAMs and DP servers, and finishing with verifying the upgrade.

Table 9-1 Site Upgrade Planning — Automated vs. Manual Upgrade

Automated	Manual
There are multiple methods available for upgrading a site. The newest and most efficient way to upgrade a site is the Automated Site Upgrade feature. As the name implies, this feature upgrades an entire site (SOAMs and DP servers) with a minimum of user interaction. Once the upgrade is initiated, the upgrade automatically prepares the server(s), performs the upgrade, and sequences to the next server or group of servers until all servers in the site are upgraded. The server upgrades are sequenced in a manner that preserves data integrity and processing capacity. Automated Site Upgrade can be used to upgrade the SOAM and DP servers.	A manual upgrade affords the maximum level of control over upgrade sequencing and intermediate observations. With this method, the upgrade of each server is individually initiated, allowing the user to control the level of parallelism and speed of the upgrade.
Note: A site upgrade can include a combination of Automated Server Group upgrade and manual upgrades to improve efficiency. For example, SOAMs can be upgraded with Automated Server Group or Manual upgrade, while the DPs may be upgraded manually to control the order of upgrade for traffic continuity.
The Automated Site Upgrade procedures are in Automated Site Upgrade.	The manual site upgrade procedures are in section SOAM Upgrade Execution (Manual and Automated Server Group)