3Com SuperStack 3 NBX Administrator's Manual page 344

344 C 5: S
HAPTER YSTEM
C
ONFIGURATION
On the Call Processor front panel, check the four LEDs immediately under
the PWR and S1 labels. The LEDs labeled 1, 2, and 3 (Figure 140) indicate
disk status.
Figure 140 Disk and Power LEDs
P
S
W
1 R
1
2
3
Table 54 describes the possible states of the LEDs.
Table 54 Disk LED States
Explanation
Attempting to boot from disk 0 (zero)
Attempting to boot from disk 1
Boot process completed, system initializing
System is running
Flash codes indicate disk problem:
2 flashes: No valid disk (system is halted)
■
3 flashes: Two valid disks, but they are not
■
paired (system is halted)
4 flashes: Configuration problem (system is
■
halted)
5 flashes: Two disks present, but no
■
mirroring license
Using disk 0 (zero) only
Using disk 1 only
Synchronizing — disk 0 is valid, disk 1 is
becoming a fully mirrored disk. LED 3 flash rate
indicates progress.
If LED 3 stops normal flashing and intermittently
flashes twice, the mirroring process has failed.
LED 1 LED 2 LED 3
Off On Off
Off Off On
Flashing N/A N/A
On N/A N/A
N/A Flashing Flashing
N/A On Off
N/A Off On
N/A On Flashing
PWR
On
On
On
On
On
On
On
On