HP StorageWorks 2012sa Modular Smart Array user (488320-004, March 2013)

Table Of Contents
18 HP 2012sa Modular Smart Array user guide January 2013
Controller
module
Unit Locator White Off Normal operation.
Blink Physically identifies the controller module.
Controller
module
OK to
Remove
Blue Off The controller module is not prepared for
removal.
On The controller module can be removed.
Controller
module
Fault/Service
Required
Amber On A fault has been detected or a service action
is required.
Blink Indicates a hardware-controlled power up or
a cache flush or restore error.
Controller
module
OK Green Off Controller module is not OK.
On Controller module is operating normally.
Blink System is booting.
Controller
module
Cache status Green Off Cache is clean (contains no unwritten data).
On Cache is dirty (contains unwritten data) and
operation is normal. The unwritten
information can be log or debug data that
remains in the cache, so a Green cache
status LED does not, by itself, indicate that
any user data is at risk or that any action is
necessary.
Table 1-5 Controller LEDs (Back) (Continued)
Location LED Color State Description