
Chapter 1. Storage Management Related Concepts
This chapter examines the basic elements involved in storage subsystems, and
explains basic concepts related to the hardware and software involved.
1.1 Overview
Storage subsystems may contain a variety of hardware and software products,
but primarily exist to supplement the relatively expensive main memory of a
computer with less expensive non-volatile storage. Secondary functions include
information exchange via removable storage media, backup of vital information
for recovery in the event of failure, and short term storage of frequently
accessed information. This overview will explain the rationale and ...