Nortel Networks 400 4.0 用户手册

Chapter 19 System monitoring and troubleshooting

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Examine the Primary and Mirror LEDs on the BCM400 advanced function tray faceplate. 
Alternatively, examine the hard disk cover access panel on the rear of the BCM200. Use 

 to interpret the operational state of the RAID primary master and mirror master hard 

disks and perform any associated maintenance action if required.

 

Examine the mirror mode Status LED on the BCM400 advanced function tray faceplate. 
Alternatively, examine the hard disk cover access panel on the rear of the BCM200. Use 

 to interpret the operational state of the disk mirror function. Perform any associated 

maintenance action if required.

Table 78   Primary/Mirror master hard disk LED description

Solid Green

Drive installed and initialized on the 
current channel

Normal operation — no maintenance 
required

Flashing Orange

Indicates disk activity

Normal disk mirror function — no 
maintenance required

Orange

Channel activity (read/write)

Normal operation during disk mirror function 
— no maintenance required

Solid Red

Drive not installed or failed

Immediate action required:

•

Check the RAID operational status

•

Check hard disk power and data 
connections 

•

Replace the hard disk if required

Table 79   Status LED description (Sheet 1 of 2)

Solid green

Drives are in mirror mode. Data is 
identical.

Normal operation -— no maintenance 
required

Orange

Copy or compare is in progress.

Normal operation — no maintenance 
required