Thecus Technology M3800 - Manual (Page 88)

Replacing Damaged Hard Drives
If you are using RAID 1 or RAID 5, you can easily replace a damaged hard drive
in the Thecus M3800 while keeping your data secure with the system’s automatic
data recovery.
Hard Drive Damage
When a hard drive is damaged, LCM will display「RAID Damage」and system
beeps.
Replacing a Hard Drive
To replace a hard disk drive in the M3800:
1. Remove the tray with the damaged hard disk.
2. Insert the hard disk tray then slide into the M3800 until it snaps into place.
3. The LED solid green when the HDD is accessed.
RAID Auto-Rebuild
When using RAID 1 or RAID 5 on the M3800, you can use the auto-rebuild
function when an error is detected.
1. When a hard disk fails the system beeps and/or an email notification is
sent to specified receivers.
2. Check the log message to see which disk has failed.
3. Follow the steps mentioned above to replace the failed hard disk.
4. The system automatically recognizes the new hard disk and starts the
auto-rebuild sequence to resume its status before the hard disk crash.
File System Check
The M3800 has a built-in utility that allows you to check the M3800’s file system
for errors. To use the File System Check utility, follow the steps below:
The File System Check utility works only with WAN and not LAN.
WARNING
1. Power off the M3800.
2. With the unit powered off, press and hold the reset button.
3. With the reset button held down, power on the system by pressing the
power button. You can release the reset button after 3 seconds alone with
2 beeps. After that, the M3800's WAN IP address will be reset to
192.168.1.100 temporarily. Please note that all file services at this time
will be stopped.
4. When you point your browser to 192.168.1.100, you will see the following
screen.
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