The problems: For large amounts of storage, the magnetic hard drivemagnetic hard drive is still the most popular. (inside view)

Disk formattingDisk formatting (low-level, hardware) Disk partitioningDisk partitioning and high-level formatting

Disk SchedulingDisk Scheduling

Scheduling algorithms Scheduling examples assumptions: FCFS example

SSTF example

SCAN example

C-SCAN example

LOOK example

C-LOOK example


Solid State Drives (SSD)

Redundant Array of Inexpensive Disks (RAIDRAID)

Network Attached Storage (NASNAS)

Running a full-sized desktop computer as a simple backup server is overkill. You don't need a lot of processor power or memory. If all you really want is some extra storage space to use as a backup, then a NAS is the perfect way to go. Even a processor that is used in a cell phone is adequate, and you don't even need 1 GB of memory, either.

Other Useful Linux Commands (for dealing with disks)

For detailed information on any command, use the man pages or Google.