Fujitsu MAN3367FC - Enterprise 36.7 GB Hard Drive, Product/Maintenance Manual

Page: 42 / 148

Data Format
3-2 C141-E133-02EN
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 = MAN3735FC series: 29,902
MAN3367FC series: 29,950
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.