NTHU-Operating System Chap12 Mass Storage System

Disk Structure

Disk Scheduling

Introduction

Disk Scheduling Method

FCFS (First-Come-Frist-Served)

SSTF (Shortest-Seek-Time-First)

SCAN Scheduling

C-SCAN Scheduling

C-LOOK Scheduling

Selecting Disk-Scheduling Algorithm

Disk & Swap-Space Management

Disk Formatting

Boot Block

Bad Blocks

Swap-Space Management

Swap Space Allocation

Data Structures for Swapping (Linux)

RAID Structure

RAID 0 & RAID 1

RAID 2: Hamming code

RAID 3 & 4: Parity Bit

RAID 5 RAID 5: Distributed Parity

RAID 6: P+Q Dual Parity Redundancy

Hybrid RAID