38 HP MSA 500 G2 Storage System Maintenance and Service Guide

Controller LEDs

Item

LED Description

Status

 

 

 

0-2

Busy status

Green = Controller is idle.

 

 

Off = Controller is operating at full capacity.

 

 

 

3-5

No function

 

 

 

6

Host port A notification

Green = Notify On Event command is

 

 

active.

 

 

Off = No Notify On Event command is

 

 

active.

 

 

 

7

Host port B notification

Green = Notify On Event command is

 

 

active.

 

 

Off = No Notify On Event command is

 

 

active.

 

 

 

8

Idle heartbeat

Controller is idle and functioning.

 

 

 

9

Active/Standby

Green = Controller is active.

 

 

Off = Controller is in standby.

 

 

 

10

DMA activity

Green = DMA transfers are active.

 

 

Off = No DMA transfers are active.