LaCie 4big Quadra Enterprise Class
• D
esign
by
n
eil
P
oulton
Troubleshooting
User Manual
page 26
4.1. LED Status Indicators
Use the 4big’s front and rear LEDs and the chart below as a reference to determine the status of your 4big:
If the front
LED is:
And the rear
LED is:
And the RAID
mode is:
Then:
Solid blue
Blinking blue
All
The 4big is working properly, only active disks’ LEDs blink.
Blinking blue
Blinking blue
All
The 4big is starting up; front LED and LEDs of functional disks become
solid blue when initialized.
Dimming blue (5s)*
Off
All
The 4big is in standby mode. If the power switch is set to “auto” the
4big will enter standby when your computer is either off or in standby.
If rebuilding has begun, the process will finish before the 4big can
enter standby. After 30 minutes of standby, the LED will switch off.
Alternating long blue
and short red:
Three disks are
blinking blue, while
one disk is blinking 3
blue, 1 red:
RAID 10
RAID is rebuilding.
RAID 3
RAID 5
RAID 3+/5+
Solid red (failed
disks) and solid blue
(functional disks)
RAID 10
One drive has failed or was improperly inserted; RAID is functional but
the security of the drives has been compromised.
RAID 3
RAID 5
RAID 3+/5+
Solid red
Solid red (failed
disks) and solid blue
(functional disks)
RAID 0
One or more drives have failed or are improperly inserted; RAID is not
functional.
Concatenation
RAID 10
Two or more drives have failed or are improperly inserted; RAID is not
functional.
RAID 3
RAID 5
RAID 3+/5+
Blinking blue/red
Normal LED activity
All
Temperature alert; allow the 4big to finish current processes and then
shut it down. Make sure the ventilation holes on the back of the 4big
are not obstructed and that there is ample room for airflow around the
unit. Allow the 4big to cool before turning it back on.
* LED dims for 5 seconds and then remains at a low intensity.
continued on the next page
