Infortrend EonStor CS, Maintenance Manual

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EonStor CS Installation Guide
page 20 / 133
Installation Guide
1-2.3 Controller panel LED
Please reference to the following table to check what each LED is represent.
PSU LED (for CS 3016/3024/4016/4024/4025B)
Number LED Name Color/Status Description
Control
Status
A controller is operating normally.

A component has failed or
inappropriate RAID configurations
cause system faults.

The controller is initializing.
CBM Status

Super capacitor and FBM (flash
backup module) are installed in the
system.

The CBM is ready for operation.

The CBM failed in operating, either the
super capacitor or FBM.

Either the super capacitor or FBM is
missing.
The super capacitor is charging.
Cache Dirty

Cache memory is dirty.

Data in FBM is flushed to the cache.

Errors occurred with cache memory
(ECC errors).

Data is flushed from FBM to drive
when the power is restored.