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Magnetic Disks (1)

Magnetic Disks (1). A portion of a disk track. Two sectors are illustrated. Magnetic Disks (2). A disk with four platters. Magnetic Disks (3). A disk with five zones. Each zone has many tracks. SCSI Disks. Some of the possible SCSI parameters.

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Magnetic Disks (1)

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  1. Magnetic Disks (1) A portion of a disk track. Two sectors are illustrated.

  2. Magnetic Disks (2) A disk with four platters.

  3. Magnetic Disks (3) A disk with five zones. Each zone has many tracks.

  4. SCSI Disks Some of the possible SCSI parameters.

  5. RAID (1) Redundant Array of Inexpensive Disks RAID levels 0 through 2. Backup and parity disks are shown shaded.

  6. RAID (1) Redundant Array of Inexpensive Disks RAID levels 3 through 5. Backup and parity disks are shown shaded.

  7. CD-ROMs (1) Recording structure of a Compact Disk or CD-ROM.

  8. CD-ROMs (2) Logical data layout on a CD-ROM.

  9. CD-Recordables Cross section of a CD-R disk and laser (not to scale). A CD-ROM has a similar structure, except without the dye layer and with a pitted aluminum layer instead of a reflective layer.

  10. DVD A double-sided, dual layer DVD disk.

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