Cisco Cisco Unified Contact Center Enterprise 9.0(1) Guia Da Instalação

ps1844/products_implementation_design_guides_list.html). To protect and monitor system
health, you must set the deployment type. Before you complete an upgrade, assess your system
and determine a deployment type. After a successful upgrade, set the deployment type using
the Configure Deployment gadget in Unified CCE Administration.

Data backup plan

While you may perform normally scheduled backups of your data, you must define a backup
and recovery plan for critical data before commencing an upgrade migration. See the following
table to determine the system critical data you must backup and restore, copy and paste, or
export and import (based upon the upgrade migration method selected).

Technology Refresh with EDMT performs a backup
of the original database and restores it on the new

Yes

Backup the Logger SQL database(s).

system. If anything happens during EDMT, the
original database is untouched.

Technology Refresh with EDMT performs a backup
of the original database and restores it on the new

Yes

Backup the Historical Data Server (HDS) SQL
database(s).

system. If anything happens during EDMT, the
original database is untouched.

Yes

Yes

Backup any custom databases.

Yes

Yes

Backup WVDB database on the Administration
& Data Server.

Yes

Yes

Export the Cisco Systems, Inc. registry key on
all production system nodes.

No

Yes

Copy the icm directory on all production system
nodes.

Pre-upgrade preparation for all Unified ICM servers

Pre-upgrade preparation is an integral part of the upgrade process. Perform the following on all
Unified ICM servers to assist in recovery in the event of a catastrophic upgrade failure:

Run the following commands and record output in the indicated files:

•

Run: 

 and save the results in ipconfig.txt.

•

Command: 

 and save the results in route.txt.

•

Command: 

 and save the results in netstat.txt.

Upgrade Guide for Cisco Unified ICM/Contact Center Enterprise & Hosted Release 9.0(1)