User Manual

18 HP 2012fc 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.
Blink A Compact Flash flush or cache self-refresh is in
progress. Indicates cache activity.
Controller
module
Host activity Green Off The host ports have no I/O activity.
Blink At least one host port has I/O activity.
Controller
module
Ethernet link status Green Off The Ethernet port is not connected or the link is
down.
On The Ethernet link is up.
Table 1-5 Controller LEDs (Back) (Continued)
Location LED Color State Description