Thecus Technology i Series User Manual

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Caution
 
Before power off, it is better to execute “Shutdown” to flush 
the data from cache to physical disks. 
 
 
2.4.2 
System buzzer 
 
The system buzzer features are describing in the following: 
 
1.  The system buzzer alarms 1 second when system boots up 
successfully. 
2.  The system buzzer alarms continuously when there is error level event 
happened. The alarm will be stopped after mute. 
3.  The alarm will be muted automatically when the error situation is 
resolved. E.g., when RAID 5 is degraded and alarm rings immediately, 
after user changes/adds one physical disk for rebuilding, and when the 
rebuilding is done, the alarm will be muted automatically. 
 
 
2.4.3 
LED 
 
The LED features are describing as follows: 
1.  Marquee/Disk Status/Disk Rebuilding LED: The Marquee/Disk 
Status/Disk Rebuilding LEDs are displayed in the same LEDs. The 
LEDs behave for different functions in different stages. 
I. 
Marquee LEDs
: When system powers on and succeeds to boot 
up, the Marquee LED acts until the system is booting successful. 
II. 
Disk status LEDs
: the LEDs reflect the disk status for the tray. 
Only On/Off situation. 
III. 
Disk rebuilding LEDs
: the LEDs are blinking when the disks are 
under rebuilding.  
2.  Disk Access LED: Hardware activated LED when accessing disks (IO). 
3.  Disk Power LED: Hardware activated LED when the disks are plugged 
in and powered. 
4.  System status LED: Used to reflect the system status by turn on the 
LED when error occurs or RAID malfunctioning happens. 
5.  Management LAN port LED: GREEN LED is for LAN transmit/receive 
indication. ORANGE LED is for LAN port 10/100 LINK indication. 
6.  BUSY LED: Hardware activated LED when the front-end channel is 
busy. 
7.  POWER LED: Hardware activated LED when system is powered on. 
 
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