HA270 : The Class : Maintain Info Syst : Systems Failure : Lesson2-1-1

LESSON OUTLINE ON SYSTEM FAILURE

I. COMPUTER DEPENDENCE (What did we learn from the Y2K problem?, Collins, G.(2000))

A. Natural Disaster Recovery

Hospitality Operations Require   Disaster Recovery Plans

B. Securing the System (see CERT Security Modules)

C. Maintaining System Performance (see tips for avoiding common computer problems)

II. COMMON CAUSES OF SYSTEM FAILURE

A. Operator Error

B. Hardware Failure

1. keep the temperature and relative humidity at the appropriate levels (see case study, "Up the River With Heat, Humidity and Computers," and static electricity)

2. keep equipment clean

3. establish a preventative maintenance program (see fault tolerant)

C. Power Problems

1. surge protection

2. proper wiring and grounding

3. uninterruptible power supply

D. Software Bug

E. System Overload ( see optimizing server throughput)

1. insufficient CPU clock speed

2. inadequate RAM

3. slow mechanical components (see hard drive performance factors)

4. file fragmentation

5. inadequate disk storage (see "Hard Disk Help")

F. Virus

Go on to Assignment 1
or
Go back to Causes of System Failure

Send E-mail to Galen Collins
or call (928) 523-7333

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