Chapter 6. Disk systems


This chapter covers
  • Discovering the physical disks in your systems
  • Relating physical and logical disks
  • Managing disk volumes


Disk systems, along with CPU and memory, are the primary system resources we’re interested in as administrators. We looked at how to explore CPU and memory configurations in chapter 5. In this chapter, we’ll turn our attention to the disk systems.

Working with the disk system on a local machine is easy. Administering the disks on remote machines gets more difficult. As a real-world example consider the 200 virtual servers I have running. Virtual disks become fragmented just like physical disks, leading to poor performance. The techniques you’ll learn later in this chapter will show you ...

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