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Full Description
Master the design and structure of Linux storage stack and explore its sophisticated architecture
Purchase of the print or Kindle book includes a free PDF eBook
Key Features
Explore the virtual file system (VFS) and how it serves as an abstraction layer for the actual file system
Understand how the block layer acts as an intermediary between file systems and physical storage
Discover the physical layout and protocols linked with storage media
Book DescriptionThe Linux storage stack serves as a prime example of meticulously coordinated layers. Embark on a journey through the kernel code with Architecture and Design of the Linux Storage Stack, crafted for anyone seeking in-depth knowledge about the layered design of Linux storage and its landscape.
You'll explore the Linux storage stack and its various concepts. You'll unlock the secrets of the virtual filesystem and the actual filesystem and the differences in their implementation, the role of the block layer, the Multi-Queue and Device Mapper frameworks, I/O schedulers, physical storage layout, and how to analyze all the layers in the storage stack.
By the end of this book, you'll be acquainted with how a simple I/O request from a process travels down through all the layers and ends up in physical storage.What you will learn
Understand the role of the virtual filesystem
Explore the different flavors of Linux filesystems and their key concepts
Manage I/O operations to and from block devices using the block layer
Deep dive into the Small Computer System Interface (SCSI) subsystem and the layout of physical devices
Gauge I/O performance at each layer of the storage stack
Discover the best storage practices
Who this book is forThis book is for system and storage administrators, engineers, linux professionals, linux community in general, and anyone looking to expand their understanding of Linux and its storage landscape. Prior knowledge of Linux operating system is a must.
Contents
Table of Contents
Where It All Starts From - The Virtual Filesystem
Explaining the Data Structures in a VFS
Exploring the Actual Filesystems Under the VFS
Understanding the Block Layer, Block Devices, and Data Structures
Understanding the Block Layer, Multi-Queue, and Device Mapper
Understanding I/O Handling and Scheduling in the Block Layer
The SCSI Subsystem
Illustrating the Layout of Physical Media
Analyzing Physical Storage Performance
Analyzing Filesystems and the Block Layer
Tuning the I/O Stack
