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

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Manager to provide an external indication that the SAS RAID Module
storage system has an activity in progress that might prevent access to the
SAS RAID Module management facilities through the user interfaces.
Valid States: OFF, SOLID, SLOW BLINK
OFF – There are no conditions that require attention.
SOLID – The system requires attention that requires you to use the
user interface.
SLOW BLINK – The storage system is in a condition where it
might not be available through the user interfaces.
Controller Card Fault/Alert LED (Amber)
The SAS RAID Module Controller Fault / Alert LED is used by the Light
Manager to indicate the state of the two cards in the SAS RAID Module.
The local Baseboard Management Controller is the Light Controller of the
SAS RAID Module Card Fault / Alert LED.
Valid States: OFF, SOLID, BLINK
OFF – There have been no faults or conditions detected by either
card of the SAS RAID Module that can be serviced using the light
path diagnostics indicators. The SAS RAID Module is not in a
condition that permits a repair or replacement activity.
SOLID – There has been a fault and or condition detected by the
storage system with the SAS RAID Module that can be serviced
using the light path diagnostics indicators. The SAS RAID Module
is in a condition that permits repair or replacement activity.
BLINK – The SAS RAID Module has been identified in response to
a request to identify itself.
Data in Cache LED (Green)
The Data in Cache LED is used by the Battery Backup Unit to indicate that
there is data present in the system cache memory.
Valid States: OFF, FLASHING
FLASHING – There is information in system cache memory that
must be preserved to ensure customer data integrity. It also
indicates that the Battery Backup Unit is providing power to the
system memory.
OFF – Indicates that AC power is present or the system cache
memory does not contain any information required to ensure
customer data integrity.
OK LED (Green)
The OK LED is used by the Light Manager to indicate the power state and
or condition of the SAS RAID Module.
Valid States: OFF, SOLID, SLOW BLINK, FAST BLINK
OFF – Power domain two is off or the unit is not operational as
determined by boot diagnostics.
SOLID – The SAS RAID Module has been powered on, POST has
completed and the SAS RAID Module is fully operational.
SLOW BLINK – Used to indicate POST is running. This indicator
also blinks during extended POST.
FAST BLINK – Fast Blink can be preformed only by the Baseboard
Management Controller.
Chapter 11. Troubleshooting and support
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