Check to see if an update is available for any of the following:
Smart Array Controller firmware
Dynamic Smart Array driver
Host bus adapter firmware
Expander backplane SEP firmware
Be sure the drive or backplane is cabled properly.
Check the drive LEDs to be sure they indicate normal function. For information on drive LEDs, see "Drive LED definitions." For server-specific drive LED information, see the server documentation or the HP website.
Be sure the drive is supported. To determine drive support, see the server QuickSpecs on the HP website.
Power cycle the server. If the drive appears, check to see if the drive firmware needs to be updated.
Be sure the drive bay is not defective by installing the hard drive in another bay.
When the drive is a replacement drive on an array controller, be sure that the drive is the same type and of the same or larger capacity than the original drive.