HP 3000 Enterprise Virtual Array - Manual (Page 59)

4 Storage system hardware
components
This chapter describes the Enterprise hardware components.
Fibre Channel drive enclosures
The drive enclosure contains the disk drives used for data storage. A storage system includes multiple
drive enclosures. The major components of the enclosure are:
• 2.125-Gb, dual loop, 14-drive enclosure.
• Dual-loop, FC-AL I/O modules and cable components that are the interface between the drives
and the host controllers.
• Fiber optic cables.
• Copper Fibre Channel cables.
• Fibre Channel disk drives and drive blanks.
• Power and cooling components including power supplies, cords, and blowers .
• EMU that monitors the operation of the enclosure and the elements while displaying status. When
the EMU detects a condition, it generates a local alarm and reports the condition to the controller.
Enclosure layout
The disk drives mount in bays in the front of the enclosure ( Figure 20 ). The bays are numbered sequentially
from left to right. A drive is referred to by its bay number. Enclosure status indicators are located in the
lower-right, front corner (see Figure 5 ). Figure 20 shows the front and rear views of the FC drive enclosure.
Enterprise Virtual Array 3000/5000 user guide (VCS 3.110) 59