PPT-Chapter 14: File System Implementation

Outline FileSystem Structure FileSystem Operations Directory Implementation Allocation Methods FreeSpace Management Efficiency and Performance Recovery Example WAFL File System Objectives. Chapter 10. Operating Systems. Page . 110. An operating system is a set of programs through which a computer manages its resources.. Its main functions are to:. Manage the computer hardware. CPU performance & utilization. eOffice. in. Collectorate, North 24 . Parganas. . West Bengal. Presented by: Randhir Kumar, IAS. on 4/4/2014. . in collaboration with. . National Informatics Centre. . File Concept. Contiguous logical address space. Types: . Data. numeric. character. binary. Program. File Structure. None - sequence of words, bytes. Simple record structure. Lines . Fixed length. Variable length. CS . 355. Operating Systems. Dr. Matthew Wright. Operating System Concepts. chapter 11. File-System Structure. Two design problems:. How should the file system look to the user?. How are logical files mapped onto the physical storage devices?. Group ID: 4. Baolin Wu, . Liushan. Yang, . Pengyu. . Ji. Motivation & Goals. Distributed File System provides more reliable service.. Cloud Storage Service is very popular. Google Cloud Storage, Dropbox, Amazon SC3 have many users.. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Lecture 23. Application-Specific File Systems. Deep Archival Storage. Security and Protection. April . 29. th. , 2013. Prof. John . Kubiatowicz. http://inst.eecs.berkeley.edu/~cs194-24. Goals for Today. Lecture 23. Application-Specific File Systems. Deep Archival Storage. Security and Protection. April . 29. th. , 2013. Prof. John . Kubiatowicz. http://inst.eecs.berkeley.edu/~cs194-24. Goals for Today. Chapter 7 Design and Implementation. 1. An object-oriented design process. Structured. object-oriented design . processes involve developing a number of different system models.. They require a lot of effort for development and maintenance of these models and, for small systems, this may not be cost-effective.. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management. Lecture 1. 1. Chapter 7 Design and implementation. Topics covered. Object-oriented design using the UML. Design patterns. Implementation issues. Open source development. . 2. Chapter 7 Design and implementation. Eighth Edition. By William Stallings. Operating Systems:. Internals and Design Principles. Files. Data collections created by users. The File System is one of the most important parts of the OS to a user.