iR2774-S3 User Manual
3
5. Hardware Installation Procedure
Please install iR2774-S3 as the following instruction.
Install the product unit into the comput er chassis and make the necessary connections and
mount the product unit properly and securely to the bay position desired.
Step 1
4. RAID Mode Setting
RAID 0
：
Provide a big storage capacity and the data transfer efficiency, but no data porotection
RAID 0
：
Provide a big storage capacity and the data transfer efficiency, but no data porotection
feature.
feature.
RAID 1
：
Because of this Mirroring feature, your two HDDs/SSDs will keep an identical data after
RAID 1
：
Because of this Mirroring feature, your two HDDs/SSDs will keep an identical data after
your writing works. In case one of the two HDDs/SSDs is defect, iR2774 would still work
your writing works. In case one of the two HDDs/SSDs is defect, iR2774 would still work
fine with only one of them. And once inserting a good HDD/SSD as the defect replacement,
fine with only one of them. And once inserting a good HDD/SSD as the defect replacement,
it will do the rebuilding work by itself.
it will do the rebuilding work by itself.
BIG : You could enjoy a double memory capacity from this BIG feature, but no data porotection
BIG : You could enjoy a double memory capacity from this BIG feature, but no data porotection
feature.
feature.
JBOD
：
With JBOD mode, you could actually use the two HDDs/SSDs as the normal two storages
JBOD
：
With JBOD mode, you could actually use the two HDDs/SSDs as the normal two storages
for your large memory capacity requirement, but no data porotection feature.
for your large memory capacity requirement, but no data porotection feature.
Note:
When you want to switch RAID MODE, you need to switch to JBOD before you can switch RAID
MODE.
Switching RAID MODE: The power needs to be turned off, then press the RESET button with a
thimble, and then turn on the power. When you press it for about five seconds, you will hear a Buzzer
beep and the HDD LED flashes to complete the setting, and you can release the thimble.
Screw positions to
mount like a
3.5" hard driv e
Screw positions to mount
like a floppy driv e
RAID �
RAID �
SPAN(BIG)
JBOD
Buzzer OFF
Buzzer ON
