1. Chapter 12: Secondary-Storage Structure 2. Outline Cover 12.1 -12.6 (Magnetic) Disk Structure Disk Attachment Disk Scheduling Algorithms FCFS, SSTF, SCAN, LOOKDisk Management…

1. Disk SchedulingBased on the slides supporting the text 1 2. User-Space I/O SoftwareLayers of the I/O system and the mainfunctions of each layer 2 3. Disk Structure•…

DISK MANAGEMENT Oleh : Eddy PN 2 OVERVIEW OF MASS STORAGE STRUCTURE  Magnetic disks provide bulk of secondary storage of modern computers  Drives rotate at 60 to 200…

Slide 1Disks and RAID Slide 2 50 Years Old! 13th September 1956 The IBM RAMAC 350 Slide 3 80000 times more data on the 8GB 1-inch drive in his right hand than on the 24-inch…

Slide 1 1 Chapter 14 Mass-Storage Structure Slide 2 2 Disk Structure Disk drives are addressed as large 1- dimensional arrays of logical blocks, where the logical block is…

Slide 1 1 Disk Scheduling Based on the slides supporting the text Slide 2 2 User-Space I/O Software Layers of the I/O system and the main functions of each layer Slide 3…

Slide 1 Disks Slide 2 2 The Memory Hierarchy Each level acts as a cache for the layer below it CPU registers, L1 cache L2 cache primary memory disk storage (secondary memory)…

Slide 1 1 Disk Scheduling Chapter 14 Based on the slides supporting the text Slide 2 2 User-Space I/O Software Layers of the I/O system and the main functions of each layer…

Slide 1 12.1 Silberschatz, Galvin and Gagne ©2005 Operating System Principles 12.1 Overview of Mass Storage Structure 12.2 Disk Structure 12.3 Disk Attachment 12.4 Disk…

Slide 1 1 Chapter 14 Mass-Storage Structure Slide 2 2 Outline Disk Structure Disk Scheduling Disk Management Swap-Space Management RAID Structure Disk Attachment Stable-Storage…