HP 4400 Enterprise Virtual Array Expansion Rack Reference Guide (5697-2285, January 2013)

2. Insert a drive blank into any slot without a disk drive (Figure 16 (page 14)). Push the drive
blank in until you detect a click.
Figure 16 Inserting a drive blank
Cable the disk enclosures in the expansion rack
Complete connections between the disk enclosures in the expansion rack before connecting to the
controllers and disk enclosures in the main rack.
As a general cabling guideline:
• the P1 port on the I/O module receives input from another I/O module or return connection
to a controller
• the P2 port is used for output to another I/O module or return connection to a controller
Figure 17 2C1D expansion rack with cabling
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02
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Prepare the expansion rack for connection to the main rack
For EVA4400 cabling, see the HP 4400 Enterprise Virtual Array Installation Guide, Appendix A.
To prepare to connect the expansion rack to the main rack, follow these steps.
Physically inspect the expansion rack
Physically inspect the expansion rack to verify that the following conditions are met:
• All enclosures and enclosure modules are properly installed and seated.
• Each power supply is connected to an electrical outlet in the rack.
• The end connector of each cable is plugged into a disk enclosure I/O module.
• The primary cable (on the right side) is black and the secondary cable (on the left side) is
gray.
14 Installing disk enclosures in the expansion rack