R/Evolution 2000 Series Getting Started Manual page 50

Table A-4 Controller Enclosure LEDs (Back) (Continued)
Location LED
Unit Locator
Controller
module
Controller OK to
module Remove
Controller Fault/Service
module Required
Controller FRU OK
module
Controller Cache status
module
Controller Host activity
module
Controller Ethernet link status Green
module
Controller Ethernet activity
module
Controller Expansion port
module status
50 R/Evolution 2530 Getting Started Guide • March 2009
Color State Description
White Off Normal operation.
Blink Physically identifies the controller module.
Blue Off The controller module is not prepared for removal.
On The controller module can be removed.
Yellow 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.
Green Off Controller module is not OK.
On Controller module is operating normally.
Blink System is booting.
Green Off Cache is clean (contains no unwritten data).
On Cache is dirty (contains unwritten data) and
operation is normal.
Blink A Compact Flash flush or cache self-refresh is in
progress. Indicates cache activity.
Green Off The host ports have no I/O activity.
Blink At least one host port has I/O activity.
Off The Ethernet port is not connected or the link is
down.
On The Ethernet link is up.
Green Off The Ethernet link has no I/O activity.
Blink The Ethernet link has I/O activity.
Green Off The port is empty or the link is down.
On The port link is up and connected.