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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

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Product type Paperback
Published in Jul 2023
Publisher Packt
ISBN-13 9781837639960
Length 246 pages
Edition 1st Edition
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Author (1):
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Muhammad Umer Muhammad Umer
Author Profile Icon Muhammad Umer
Muhammad Umer
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Table of Contents (18) Chapters Close

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 17. Other Books You May Enjoy

Summary

After spending most of our time examining the software side of things, this chapter focused solely on the actual physical hardware. Because of this, almost all of the information presented in this chapter can be considered platform-agnostic. The hardware capabilities are the same; it’s up to the software that drives the hardware to make it reach its full potential.

We discussed the three most common storage options available on the market today – rotating hard drives, SSDs, and NVMe drives. The spinning mechanical drive is one of the oldest forms of storage media available on the market today. It has gone through a few changes over the last few decades, which have improved its performance to some extent. As it consists of several mechanical components, there is a hard limit associated with its performance. After all, the spindle motor that spins its platter surface can only spin so fast. Because of limitations in the hard drive’s performance, SSDs came...

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