QNAP VioStor CMS, User Manual, Page: 18 / 204

18
2.4 Checking System Status
LED Display & System Status Overview
LED Color LED Status Description
System
Status
Red/
Green
Flashes green
and red
alternately
every 0.5 sec
1) A hard drive on the system is being
formatted/initialized.
2) The system firmware is being updated.
3) RAID rebuilding is in process.
4) Online RAID Capacity Expansion is in
process.
5) Online RAID Level Migration is in process.
Red
1) A hard drive is invalid.
2) The disk volume has reached its full
capacity.
3) The disk volume is going to be full.
4) The system fan is out of function.
5) An error occurs when accessing
(read/write) the disk data.
6) A bad sector is detected on the hard drive
7) The system is in degraded read-only mode
(2 member drives fail in a RAID 5 or RAID
6 configuration, the disk data can still be
read).
8) (Hardware self-test error).
Flashes red
every 0.5 sec
The system is in degraded mode (one member
drive fails in RAID 1, RAID 5 or RAID 6
configuration).
Flashes green
every 0.5 sec
1) The system is starting up.
2) The system is not configured.
3) A hard drive is not formatted.
Green The system is ready.
Off
All the hard drives on the system are in
standby mode.
LAN Orange
Orange The system is connected to the network.
Flashes
orange
The system is being accessed from the
network.
HDD (Hard
Drive)
Red/
Green
Flashes red
The hard drive data is being accessed and a
read/write error occurs during the process.
Red A hard drive read/write error occurs.
Flashes green The hard drive data is being accessed.
Green The hard drive can be accessed.