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Architecture and Design of the Linux Storage Stack

You're reading from Architecture and Design of the Linux Storage Stack Gain a deep understanding of the Linux storage landscape and its well-coordinated layers

Product type Paperback

Published in Jul 2023

Publisher Packt

ISBN-13 9781837639960

Length 246 pages

Edition 1st Edition

Tools

Linux

Concepts

Design

Author (1):

Muhammad Umer

View More author details

Table of Contents (18) Chapters

Preface

1. Part 1: Diving into the Virtual Filesystem

2. Chapter 1: Where It All Starts From – The Virtual Filesystem FREE CHAPTER

3. Chapter 2: Explaining the Data Structures in a VFS

4. Chapter 3: Exploring the Actual Filesystems Under the VFS

5. Part 2: Navigating Through the Block Layer

6. Chapter 4: Understanding the Block Layer, Block Devices, and Data Structures

7. Chapter 5: Understanding the Block Layer, Multi-Queue, and Device Mapper

8. Chapter 6: Understanding I/O Handling and Scheduling in the Block Layer

9. Part 3: Descending into the Physical Layer

10. Chapter 7: The SCSI Subsystem

11. Chapter 8: Illustrating the Layout of Physical Media

12. Part 4: Analyzing and Troubleshooting Storage Performance

13. Chapter 9: Analyzing Physical Storage Performance

14. Chapter 10: Analyzing Filesystems and the Block Layer

15. Chapter 11: Tuning the I/O Stack

16. Index

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Technical requirements

It would be helpful to have some knowledge about disk I/O basics to understand the concepts presented in this chapter. Having an idea about the different types of storage media, and concepts such as disk seek time and rotational latency, will help to comprehend the material presented in this chapter.

The commands and examples presented in this chapter are distribution-agnostic and can be run on any Linux operating system, such as Debian, Ubuntu, Red Hat, and Fedora. There are quite a few references to the kernel source code. If you want to download the kernel source, you can download it from https://www.kernel.org. The code segments referred to in this chapter and book are from the 5.19.9 kernel.

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Authors (1)

Muhammad Umer

Muhammad Umer

Muhammad Umer (RHCA®) is a systems engineer and trainer with more than six years of experience in working with Linux based systems, HA design & architecture, tuning operating system and underlying hardware for optimal performance and root cause analysis. Ever since a virus infected his laptop ten years ago, he switched to Linux. Turns out, it wasn't the worst thing that ever happened. He has a particular preference for all things storage and in this book, he has tried to decode the mysteries of the Linux storage stack one disk sector at a time. When not immersed in the binary wonders of storage, you can find him savoring pizza and dreaming of a world where storage is as reliable as a perfectly timed cron job.

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