[Chapter 11] Mass-Storage Structure

[libra10042]

Overview of Mass-Storage Structure

• Hard Disk Drives
• Nonvalatile Memory Devices
• Volatile Memory
• Secondary Storage Connection Methods
• Address Mapping

Disk Scheduling

• FCFS Scheduling
• SCAN Scheduling
• C-SCAN Scheduling
• Select of a Disk-Scheduling Algorithm

NVM Scheduling

Error Detection and Correction

Storage Device Management

• Drive Formatting, Partitions, and Volumns
• Boot Blocks
• Bad Blocks

Swap-Space Management

• Swap-Space Use
• Swap-Space Location
• Swap-Space Management : An Example

Storage Attachment

• Host-Attached Storage
• Network-Attached Storage
• Cloud Storage
• _Stoarge-Area Networks and Storage Arrays

_RAID Structure

• _Improvement of Reliabillity via Redundancy
• _Improvement in Performance via Parallelism
• RAID Levels
• Selecting a RAID Level
• Extensions
• Problems with RAID
• Object Storage