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Highly Available Embedded Computer Platforms Become Reality

Table of Contents:
Definition and Overview
1. Fault Tolerance versus High Availability
2. Redundant Configurations
3. Fault Management Process
4. High Availability and Restart Models
5. Fault Management Software for Redundant Systems
6. A CompactPCI® System for Both Architectures
7. Conclusion
Self-Test
Glossary
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Self-Test
1. Fault tolerance and high availability are the same thing.
a. true
b. false
2. Which of the following does not accurately describe redundancy in terms of availability?
a. achieves higher reliability
b. compensates for less reliable components
c. employs backup components for those that fail
d. involves unnecessary additions to the system
3. ________________ redundant systems have a duplicate for every critical resource in the system.
a. 2N
b. N
c. N+1
d. N+m
4. ________________ is the process of reassigning the necessary resources to restore the system to operating state.
a. reporting
b. recovery
c. repair
d. reintegration
5. Fault management in clusters is simplified.
a. true
b. false
6. A ______________ restart system has the fastest recovery time.
a. hot
b. cold
7. A ______________ restart system is easiest to implement.
a. hot
b. cold
8. A warm restart model is most similar to a ______________ restart model.
a. hot
b. cold
9. It is not possible to have dissimilar spare devices in N+1 systems.
a. true
b. false
10. Most I/O connections can be routed through the CompactPCI backplane.
a. true
b. false
Glossary >>

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