Fujitsu MAN3735MC Manual/User Guide - Page 38

Cylinder configuration, Primary Cylinder n-1

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Cylinder -85 to ~ Cylinder -78 ~ Internal test cylinder Cylinder -73 to ~ Cylinder -4 ~ Cylinder 0 Cylinder 1 • ~ • n-2 n-1 n SAS69 • SA0 Primary Cylinder 0 to Primary Cylinder (n-1) Spare sector for each cylinder ~ Internal test space ~ ~ System space ~ • ~ User space • n = MAN3735 series: 29,902 MAN3367 series: 29,950 MAN3184 series: 30,050 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.) 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. 3 - 2 C141-E128-01EN

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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.