IBM BladeCenter S SAS RAID Controller Module, Installation And User Manual

Page: 108 / 216

System Information – INFORMATION LED
The IBM BladeCenter S SAS RAID Controller Module system information
indicator is used to provide a user notification that the storage system is in
a state that requires attention. The system information LED is also used to
provide an external indication that the SAS RAID Module storage system
has an activity in progress might prevent you from accessing the SAS
RAID Module management facilities through the user interfaces.
Alert / Fault – ALERT / FAULT LED
Alert / Fault indicators are used to provide an external indication that a
condition has been detected within a component that requires service or
repair. Alert / Fault indicators are also be used to identify a particular
component and, or indicate that a particular condition is present within a
component.
Alert / Fault LED SOLID state
A component Alert / Fault LED that is in a SOLID state indicates
externally that there has been a condition detected in the
component that requires either service, repair, and or replacement.
It also indicates that the component is in a condition or state where
it is ready to be removed from the system.
Alert / Fault LED BLINK state
A component Alert / Fault LED that is in a BLINK state indicates
that the storage system has identified this component in response
to a request. The request can originate from a user interface or as
an automated response to a defined set of system conditions.
Note: An LED test occurs whenever the SAS RAID Module is turned on. All LEDs
are lit and remain lit for approximately 10 seconds during POST and then return to
a normal state.
Table 9. Light path diagnostics LED details
CRU Indicator Name Color
IBM BladeCenter S SAS
RAID Controller Module
OK Green
Activity Green
Information Amber
Alert/Fault Amber
Data In Cache Green
iPass Port Activity (1 per
Port) Green
iPass Port Alert/Fault (1 per
Port) Amber
Disk subsystem Fault Amber
Battery Backup Unit
Power Green
Battery Charging Green
Fault Amber
SAS RAID Module light path indicators and valid states
System Information LED (Amber)
The SAS RAID Module system information indicator is used by the Light
Manager to provide a notification that the storage system is in a state that
requires attention. The system information LED is also used by the Light
98
IBM SAS RAID Controller Module: Installation and User's Guide IBM BladeCenter S SAS RAID Controller Module