HP StorageWorks 500 Modular Smart Array - Manual (Page 24)

Component Identification
HP StorageWorks Modular Smart Array 500 System User Guide 1-13
Table 1-9: Controller LEDs continued
Item LED Descriptions Status
11 Logical I/O activity Green = Currently processing logical
requests from the host adapter.
Off = No processing of logical requests
12 SCSI bus 0 activity
13 SCSI bus 1 activity
Green = Outstanding requests on the
SCSI bus
Off = No outstanding requests
14 Cache activity Green = Cache activity
Off = No cache activity
Flashing green = Cache transfer pending
15 Drive failure Green = An array-configured drive has
failed.
Off = No drive failures
16 Active redundancy Green = Controllers are operating with
redundancy.
Off = No redundancy
17 Fault Amber = Error message received by
controller display.
Off = No error message received or no
error message currently displayed.