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Chapter 3 Storage Arrays 3-5
FIGURE 3-5 Drive Numbering – Rackmount Module
3.1.1.6 Fans
Each module has two removable fan housings. Each fan housing contains two fans.
The fans provide redundant cooling, which means that if one of the fans in either fan
housing fails, the remaining fans will continue to provide sufficient cooling to
operate the command module.
Figure 3-6 shows a set of fans in a fan housing. The fans circulate air inside the drive
module by pulling air in through the vents on the front and pushing the air out the
vents on the back of each fan housing.
FIGURE 3-6 Fans and Airflow