3Com V7000 - page 253

Overview of a 6.0 to 7.0 Upgrade 253

Enterprise Management Suite User Guide for VCX V7000 Components

for information.

All components in a VCX system must run the same version of VCX

software. This req uirement has the following implications:

■You cannot upgrade or downgrade one component in a VCX system

and not upgrade or downgrade the other system components.

■If you add a server to an existing VCX system (for example, a branch

office), the VCX components on the new server must be installed with

the same version of the VCX software as the existing components.

CAUTION: 3Com Corporation strongly recommends that you perform

backups of your VCX system on a regular basis, for example, weekly.

These backups should include provisioning database and voicemail

database content.

■See Chapter 5 for information on backing up the provisioning data

stored in the VCX Authentication and Directory server database.

■See the IP Messaging Module Operations and System Administration

Guide for information on backing up voicemail and other IP

Messaging data.

In addition, BEFORE you upgrade your VCX system to a new release,

perform these backups again. If the upgrade fails and you must

downgrade, you can restore data from these backups as part of the

downgrade procedure.

Prior to performing any upgrade, you should check the following:

■Check the configuration type of the system you are going to upgrade.

The upgrade procedure you need to perform depends on your VCX

system configuration (see VCX Software Components and VCX

Hardware Configu rations). You can use the vcx-showconfigtype

command to verify the configuration type. Your configuration

determines the correct tar file (or files) required for the upgrade.

■You must stop database replication before starting the upgrade

process. On replicated systems, check replication status to make sure it

is normal. To check replication status, execute the following steps on

the server hosting the Authentication and Directory services database:

Enter: cd /opt/3com/VCX/vcxdata/bin