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70 CHAPTER 4: BACKING UP AND RESTORING A VCX CONFIGURATION
VCX Configuration
Backup and Restore
Overview
The VCX configuration backup and restore feature allows you to
completely back up all relevant VCX configuration data on a machine
running one or more VCX services into a single file, and subsequently
restore that configuration using the backup file. You can perform the
backup and restore operations either locally (using the
vcx-config-backup and vcx-config-restore commands) or remotely
(using EMS). This chapter describes the command line option; refer to the
EMS documentation for the EMS option.
As described in Chapter 1
, a VCX system can include multiple servers
running the VCX operating system, VCX Services (such as IP Messaging
and the Call Processor), and configuration databases. VCX servers can be
installed in different physical configurations according to the features
required and the number of subscribers that must be supported.
Because of this distributed nature of a VCX system, there is no centralized
source for configuration data. Therefore, to completely back up an entire
VCX system, you must perform a configuration backup operation on
each machine in your VCX system.
3Com Corporation recommends that you back up configuration files on
your VCX system once a week. However, you should back up a
configuration whenever you make changes. A restored system will not
include configuration changes made after the last backup was
performed.
VCX Configuration
Backup File Contents
The backup file created by the
vcx-config-backup command includes
the following configuration data:
■ VCX components — All files containing configuration information
for each VCX component are saved, including directory structures.
■ Common configuration files — Configuration files common to
multiple VCX components, such as VCXConfiguration.xml and
VSBOM.xml files, as well as state files and any other configuration
data created by the VCX infrastructure, are saved to the backup file.
■ Operating system files — All VCX operating system files that
contain configuration information (that could be modified by the user)
or that provide system-unique information are backed up. This
typically includes data such as account and password information,
networking configuration files, time zone information, SSH host keys,
and SSL certificate(s).