Figure 3.2 Spare Area In Cell; Figure 3.3 Alternate Cylinder - Fujitsu MAW3073NC/NP Product/Maintenance Manual

The number of spare sectors per cell can be specified from 0 to 240. The default for the spare
sectors number is 240.
Cell
Note: This drive manages alternate spare areas for each cell, which is a set of cylinders. One
cell consists of 27 cylinders.
An alternate cylinder is used when spare sectors in a cell are used up or 0 is specified as the
number of spare sectors in a cell. 1 cylinder at the end of each zone of the user space is allocated
as alternate cylinders as shown in Figure 3.3.
The user space and the system space share the alternate cylinders.
Note: The number of alternate cylinders cannot be changed.
3-4
Figure 3.2 Spare area in cell
Zone
Figure 3.3 Alternate cylinder
C141-E226