Overview of Mass-Storage Structure
Storage-Device Hierarchy
Storage Sub-Systems and Memory Hierarchy
Mass Storage
Mass storage 包含 secondary storage 和 tertiary storage（包含 optical disk 和 magnetic tape）
Secondary Storage
Hard-Disk Drive (HDD)
NVM
Disk Attachment
Scheduling
HDD Scheduling
NVM Scheduling
NVM random access 很快所以用簡單的 NVM scheduling 就夠了
Error Detection and Correction
D-OS-Ch11e-Error_Detection_and_Correction