18
4.4
HARD DISK DRIVE HOT-PLUG & HOT-UNPLUG
The hard disk drives should not be hot-plugged, unless RAID failure occurs. To avoid data corruption or loss, care should
be taken to ensure that the host system is not currently using any drive that is about to be hot-unplugged.
4.5
LED INDICATIVE STATUS
TowerRAID TR5UT+/TR5UT+B
provides information on the SATA HDDs, PC Link, and Power LEDs.
Each LED activity will turn On/Off the LED for approximately 70 ms. The blinking rate is approximately 400 ms On and
400 ms Off.
4.5.1
POWER LED
The
TowerRAID TR5UT+/TR5UT+B
has one Amber color Power LED. The table shows Power LED function and operation.
DESCRIPTION
GREEN LED
Power On
On
Power Off
Off
4.5.2
PC LINK LED
The
TowerRAID TR5UT+/TR5UT+B
has one Green color PC Host Link LED. The table shows PC Link LED function and
operation.
DESCRIPTION
GREEN LED
PC Link Unplugged / No Power
Off
PC Link plugged
On
4.5.3
HRAD DISK DRIVE LED
The
TowerRAID TR5UT+/TR5UT+B
has five HDD LEDs (Green and Red) on the front panel and ten green LED on the HDD
tray (two on each tray). The table shows HDD LED function and operation. These LEDs behave as follows:
4.5.3.1
THE FRONT PANEL LED
DESCRIPTION
GREEN LED
RED LED
HDD Unplugged / No Power
Off
Off
HDD plugged (Idle)
On
Off
HDD plugged (Active)
Blink (On)
Off
Error State (One or More Bad Partial Volumes)
Off
On
HDD Rebuild (A Physical Partition is being Rebuild; i.e. Mirroring Mode)
Off
Blink (On)
