3Com NBX 100 Installation Manual page 30

30 C 1: I
HAPTER NTRODUCTION
Explanation
Flash codes for disk problems:
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 installed. System is running but the system
is not using the second disk.
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.
Synchronizing — disk 1 is valid, disk 0 is becoming a
fully mirrored disk. LED 2 flash rate indicates
progress.
If LED 2 stops normal flashing and intermittently
flashes twice, the mirroring process has failed.
LED 2 and LED 3 flash alternately: the two disks are
resynchronizing
Synchronized
S1 S2 S3
N/A Flashing Flashing
N/A On Off
N/A Off On
N/A On Flashing
N/A Flashing On
N/A Flashing Flashing
N/A On On