Fujitsu MAN3184MC - Enterprise 18.4 GB Hard Drive, Product/Maintenance Manual

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C141-E128-01EN 3 - 2
Note
:
Spare sectors on the last track in each cylinder are not necessarily placed at the end of the track
because of a track skew or a cylinder skew. (Details are explained in Subsection 3.1.3.)
Cylinder 1
n = MAN3735 series: 29,902
MAN3367 series: 29,950
MAN3184 series: 30,050
n–1
n–2
Cylinder 0
Cylinder –73
to
Cylinder –4
User space
System space
Internal test space
Cylinder –85
to
Cylinder –78
•
Primary Cylinder 0
to
Primary Cylinder (n–1)
Spare sector for each cylinder
SA0
SAS69
Internal test cylinder
~ ~
~ ~
~ ~
~ ~
• •
•
•
~ ~
n
Figure 3.1 Cylinder configuration
Apart from the above logical configuration, the IDD intends to increase the storage capacity by
dividing all cylinders into several zones and changing a recording density of each zone. Tables
3.1 to 3.3 show the zone layout and the track capacity.