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. Priya Bhat, Yonggang Liu, Jing Qin. Content. 1. . Ceph. Architecture. 2. . Ceph. Components. 3. . Performance Evaluation. 4. . Ceph. Demo. 5. Conclusion. Ceph Architecture. What is Ceph?. Ceph is a distributed file system that provides excellent performance, scalability and reliability.. eOffice. in. Collectorate, North 24 . Parganas. . West Bengal. Presented by: Randhir Kumar, IAS. on 4/4/2014. . in collaboration with. . National Informatics Centre. . Sleuthkit. BACS 371. Computer Forensics. Introduction. One approach to analyzing a disk image begins by logically dividing it into 5 file system layers.. Each of the upper layers is an abstraction above the physical disk platter.. 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?. a.k.a. OrangeFS. By Collin Gordon and Lisa Kosiachenko. 1. What is PVFS?. 2. Background information. PVFS - parallel, distributed filesystem for Linux clusters. Used in High-Performance Computing at large scale (while Hadoop is primarily used in cloud computing). Where do file systems fit in the OS?. File . control data structures. A common internal interface for file systems. The file system API. File Systems and the OS. . system calls. UNIX FS. DOS FS. CD FS. 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. 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. Elena . Saharnean. , . SOE. . Fintehinform. Chisinau. ,. June 3. , 2016. The Project’s Goal . – . reforming the existing public finance management system. Implementation Period . – . 2006-201.