After a lot of hard work and configuration, we finally have a fully-functional PBX configured precisely the way we need. Now, we need to make sure it stays that way. Even with the best hardware, the failure of a system component is a danger that is always present. Without proper protection and backups, we could wind up without a working PBX and have no way to restore it. In this chapter, we will discuss the following:
System protection using UPS devices, redundant components, and surge protection
Taking one-time backups
Configuring recurring backups
Restoring a backup
Maintaining backup sets
There are many ways to protect the components of a server from failure or damage. While dealing with a PBX, these protection methods are even more important. As the PBX controls voice communications for a company, downtime often means lost income and angry employees.
While the installation and setup of the equipment listed here is beyond...