Verifying A Failed Disk Drive; Reverting To A Single-Disk System - 3Com 3C10402B Administrator's Manual

Verifying a Failed
Disk Drive
Reverting to a
Single-Disk System
Table 21 Disk Status Light States (continued)
Explanation
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.
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
If either disk fails while in a fully mirrored state, the system continues to
operate. The disk status light states described in
drive has failed.
To verify the status of a disk drive, see the Disk Status window:
1 Log on to the NBX NetSet utility using the administrator login ID and
password.
2 Click Reports > System Data
3 Click Disk Status.
If disk mirroring is currently active, you can convert the system to operate
with a single disk. You need a Phillips screwdriver to complete this
process.
Disk Mirroring
LED 1 LED 2 LED 3
N/A Flashing Flashing On
N/A On Off
N/A Off On
N/A On Flashing On
N/A Flashing On
N/A Flashing Flashing On
N/A On On
Table 21 indicate which
91
PWR
On
On
On
On