5. Close the drawer using the instructions in section Closing a Drawer.
Note: The drawers must be populated with drives in whole rows at a time (there are 3 rows of 14 drives
per drawer). Observe the following rules:
v The minimum number of drives in an enclosure is 14.
v The number of rows must not differ by more than 1 between top and bottom drawers.
v The rows must be populated from the front to the rear of the enclosure.
Note: The enclosures must be fully populated in the ESS application.
Replacing a cooling module
The process involves removing the existing module and inserting a new one. Before hot-swapping a
cooling module, ensure the other cooling module has the “Power OK” LED lit.
Removing a cooling module
Important: Before you remove a module, ensure you have a replacement module to insert.
1. Identify the cooling module to be removed. If the module has failed, the fan fault LED will display an
amber color, as shown in the following figure.
Figure 33. Latch position of a correctly inserted drive
42 Installation and User Guide - Model 084