Hard disk drive
A hard disk drive (HDD), hard disk, hard drive, or fixed disk[b] is an electro-mechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
- Learn about SDD storage technology and compare it with HDD technology
blkidcommands in Linux to identify your HDD devices
- Use iotop, iostat and sar -d in Linux to assess you disk usage