344 CHAPTER 5: SYSTEM CONFIGURATION
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
Table 54 describes the possible states of the LEDs.
Table 54 Disk LED States
Explanation LED 1 LED 2 LED 3 PWR
Attempting to boot from disk 0 (zero) Off On Off On
Attempting to boot from disk 1 Off Off On On
Boot process completed, system initializing Flashing N/A N/A On
System is running On N/A N/A On
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
N/A Flashing Flashing On
Using disk 0 (zero) only N/A On Off On
Using disk 1 only N/A Off On On
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.
N/A On Flashing On
1
2
3
S
1
P
W
R
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