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Chapter 11: File System Implementation

Chapter 11: File System Implementation

Chapter 11: File System Implementation. Chapter 11: File System Implementation. File-System Structure File-System Implementation Directory Implementation Allocation Methods Free-Space Management Efficiency and Performance Recovery NFS Example: WAFL File System. Objectives.

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1.08k views • 81 slides
OPERATING SYSTEM CONCEPTS

OPERATING SYSTEM CONCEPTS

OPERATING SYSTEM CONCEPTS. ?????? -11. ? ? ? bailey_zhang@sohu.com ?????????. 11. File-System Implementation. Objectives To describe the details of implementing local file systems and directory structures To describe the implementation of remote file systems

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717 views • 71 slides
School of Computing Science Simon Fraser University CMPT 300: Operating Systems I

School of Computing Science Simon Fraser University CMPT 300: Operating Systems I

School of Computing Science Simon Fraser University CMPT 300: Operating Systems I Chapters 10, 11, 12: File System and Disk Scheduling Dr. Mohamed Hefeeda. Objectives. Understand how to store and manage information on secondary storage systems Understand file system: Interface

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File System and Disk Scheduling Chapters 10, 11, 12

File System and Disk Scheduling Chapters 10, 11, 12

File System and Disk Scheduling Chapters 10, 11, 12. Objectives. Understand how to store and manage information on secondary storage systems Understand file system: Interface Structure Implementation Note: file system is the most visible part of the OS to users.

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552 views • 52 slides
Outline

Outline

Outline. Principles of I/O hardware Principles of I/O software I/O software layers Disks Clocks. Types of Disks. Magnetic disks Hard disks and floppy disks Reads/writes are equally fast Ideal secondary memory Highly reliable storage Optical disks CD-ROM, CD-R: 600MB DVD: 4.7-17GB.

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670 views • 47 slides
Lecture 9: File Systems

Lecture 9: File Systems

Lecture 9: File Systems. Contents. Files & File System Interface Directories & their Organization File System Implementation Disk Space Allocation File System Efficiency & Reliability. File Systems Interface. Concept of the file Contiguous logical address space Types:

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688 views • 30 slides
Lecture 9: File Systems

Lecture 9: File Systems

Lecture 9: File Systems. Contents. Files & File System Interface Directories & their Organization File System Implementation Disk Space Allocation File System Efficiency & Reliability. File Systems Interface. Concept of the file Contiguous logical address space Types:

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460 views • 30 slides
File System Implementation

File System Implementation

File System Implementation. File System Implementation: Objectives. File-System Structure File-System Implementation Directory Implementation Allocation Methods Free-Space Management Recovery from failure Remote file access: NFS. Layered File System. File-System Implementation.

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548 views • 30 slides
Classic Systems: Unix and THE

Classic Systems: Unix and THE

Classic Systems: Unix and THE. Hakim Weatherspoon. CS6410. The UNIX Time-Sharing System Dennis Ritchie and Ken Thompson. Background of authors at Bell Labs Both won Turing Awards in 1983 Dennis Ritchie Key developer of The C Programming Lanuage, Unix, and Multics Ken Thompson

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Chapter 11: Implementing File Systems

Chapter 11: Implementing File Systems

Chapter 11: Implementing File Systems. Chapter 11: Implementing File Systems. File-System Structure File-System Implementation Directory Implementation Allocation Methods Free-Space Management Efficiency and Performance Recovery Log-Structured File Systems 11.9 NFS (skip)

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423 views • 29 slides
Chapter 11: File System Implementation

Chapter 11: File System Implementation

Chapter 11: File System Implementation. Chapter 11: File System Implementation. File-System Structure File-System Implementation Directory Implementation Allocation Methods Free-Space Management Efficiency and Performance Recovery NFS Example: WAFL File System. Objectives.

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362 views • 22 slides
Outline

Outline

Outline. Chapter 11: File System Interface Chapter 12: File System Implementation File System Trace Analysis This project started out as a OS course project and ended in SOSP!!. File system interface. File attributes Name: Type: Explicit or inferred Location: Size: Protection:

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135 views • 13 slides
Advanced Operating Systems

Advanced Operating Systems

Advanced Operating Systems. File System Internals. UNIX File System Organisation. The Traditional UNIX organisation from Ed 7 onwards has been Boot Block, Super Block, Inodes, Data. UNIX File System Organisation. Searching and allocation is done through logical device and inumber.

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217 views • 10 slides

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