Fujitsu MCM3064SS Product Manual page 156

Glossary
Disk reference surface
An ideal flat ring surface of an ideal spindle that comes into contact with the
clamp area on a disk. The disk reference surface is perpendicular to the rotation
axis.
Error correction code
An error correction code designed to correct specific errors in data.
Error detection and correction
A series of methods used to add a redundant code to data in the existing format
and then record data. In read mode, the decoder removes a redundant code and
detects and corrects errors using the redundant information.
Interleaving section
A process that physically arranges data units so that data resists burst errors.
LUN (Logical Unit Number)
A device address used to identify a logical unit.
Recording layer
A disk layer in which data should be recorded during manufacturing or recording.
Recording power
An incidence power specified on the incidence surface and used to form marks.
Sense code
A single-byte code set in sense data. This information is used to identify the type
of error detected.
Sense data
Information generated by the target to report detailed error information if a
command end status contains any error information.
Sense key
A 4-bit code set in sense data. This information is used to classify the type of
error detected.
Spindle
A disk drive component that comes into contact with a disk and a hub.
GL-2 C156-E228-02EN