Nortel Networks 400 4.0 To determine RAID status, Primary/Mirror master hard disk LED description

220 Chapter 19 System monitoring and troubleshooting

To determine RAID status

1Examine 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 Table 78 to interpret the operational state of the RAID primary master and mirror master hard disks and perform any associated maintenance action if required.

Table 78 Primary/Mirror master hard disk LED description

Primary/Mirror
LED color	Description	Maintenance action
Solid Green	Drive installed and initialized on the	Normal operation — no maintenance
	current channel	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

2Examine 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 Table 79 to interpret the operational state of the disk mirror function. Perform any associated maintenance action if required.

Table 79 Status LED description (Sheet 1 of 2)

Status LED
description	Description	Maintenance action
Solid green	Drives are in mirror mode. Data is	Normal operation -— no maintenance
	identical.	required
Orange	Copy or compare is in progress.	Normal operation — no maintenance
		required

N0060612