Chapter 28. High Availability

Features and Benefits

Network administrators are often concerned about the availability of file and print services. Network users are inclined toward intolerance of the services they depend on to perform vital task responsibilities.

A sign in a computer room served to remind staff of their responsibilities. It read:

All humans fail, in both great and small ways we fail continually. Machines fail too. Computers are machines that are managed by humans, the fallout from failure can be spectacular. Your responsibility is to deal with failure, to anticipate it and to eliminate it as far as is humanly and economically wise to achieve. Are your actions part of the problem or part of the solution?

If we are to deal with failure ...

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