HP D3000 Disk Enclosures - Manual (Page 37)

Verifying the operating status of the disk enclosures
To verify that the disk enclosures and disk drives are operating properly, view the enclosure and
disk drive LEDs and compare them with the patterns described in the following sections. If LED
patterns are not as expected, check cable connections between the devices, check the availability
of your power source, review the installation procedures, and remove and reinsert the module.
•
“LFF Front view” (page 8)
•
“SFF Front view” (page 9)
•
“Fan module LEDs” (page 14)
•
“Rear view” (page 10)
•
“Power supply module LED” (page 13)
Verifying the operating status of the disk enclosures 37