Appendix A: RAID DISK Array Overview

This appendix provides an overview of disk array technology. It describes the origins of the technology, explains the different RAID types, and examines the tradeoffs that can be made among performance, fault tolerance and cost.

After reading this section, you will be familiar with the terminology and basic strategies of disk arrays, and will be able to configure your own disk array to meet your particular goals.

This appendix contains the following subsections:

1. Introduction
2. What is RAID?
3. What RAID Types Should I Use?

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