Chapter 3

Storage

Abstract

This chapter covers the initial indicators of storage performance problems and various analysis tools to assist with root cause.

Keywords

Storage

Disk

Response times

IOPS

Performance counter thresholds

Tools

Do not offend the testing gods by saying something like we don’t need a backup because it's stored on the SAN.

Robert George (Microsoft Testing Consultant)

Introduction

The disk drive is arguably the slowest resource in a computer system. Therefore, the Windows operating system is tuned to avoid it at all costs. Inevitably though, data must be read from or written to disk to persist it before power is removed. The point of this chapter is to help you understand disk-related concepts, bring the concepts together to create an initial ...

Get Windows Performance Analysis Field Guide now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.