Disk Drive Blank; Controller Enclosures - HP StorageWorks 4400 User Manual

Disk drive blank

To maintain the proper enclosure air flow, a disk drive or a disk drive blank must be installed in each
drive bay. The disk drive blank maintains proper airflow within the disk enclosure.

Controller enclosures

The EVA4400 contains either the HSV300 or HSV300–S controller enclosure. Two interconnected
controllers ensure that the failure of a controller component does not disable the system. A single
controller can fully support an entire system until the defective controller, or controller component, is
repaired. A single enclosure contains two controllers. The HSV300 has 4 Gb host port capability;
the HSV300–S has 8 Gb host port capability with the Brocade 5410 switch embedded within the
controller. Other than the embedded switch, all controller enclosure components are the same for the
HSV300 and HSV300–S.
Figure 9 and
Figure 11 shows the back view of the HSV300 controller enclosure.
Figure 10 show the bezel and front view of the HSV300 controller enclosure respectively;
HP StorageWorks 4400 Enterprise Virtual Array user guide 21