Table 3 Disk status indicator LED descriptions
DescriptionDrive LED
Bi-color (top)
• Slow flashing blue (0.5 Hz)—Used to locate drive.
• Solid amber—Drive fault.
Green (bottom)
• Flashing—Drive is spinning up or down and is not ready.
• Solid—Drive is ready to perform I/O operations.
• Flickering—Indicates drive activity.
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
This section describes the major features, purpose, and function of the HSV400 and HSV450
controllers. Each Enterprise Virtual Array has a pair of these controllers. Figure 8 (page 13) shows
the HSV400 controller rear view and Figure 9 (page 14) shows the HSV450 controller rear view.
The front of the HSV400 and HSV450 is shown in Figure 10 (page 14).
NOTE: Some controller enclosure modules have a cache battery located behind the OCP.
Figure 8 HSV400 controller rear view
2. Unit ID1. Serial port
4. Fault indicator3. Controller health
6. DPI ports5. Power
8. Fiber ports7. Mirror ports
10. Power supply 29. Power supply 1
Controller enclosures 13
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