HP 70 Modular Smart Array - Manual (Page 27)

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
Chapter 1 . 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.
70 Modular Smart Array User Guide 27