iR2777-S3 User Manual
3
5. Hardware Installation Procedure
Please install iR2777-S3 as the following instruction.
Choose the RAID mode with RAID switch on the back panel. The default value is RAID 1.
Install the product unit into the computer chassis and make the necessary connections
and mount the product unit properly and securely to the bay position desired.
Step 1
Step 2
RAID 1 Mode
RAID 0 Mode
4. RAID Mode Setting
RAID 1 Mode
RAID 0 Mode
Please set the RAID level through the jumper on the back of the machine. The factory default is
RAID 1. There are four pin feet on the back of the machine to set the RAID level. To set the RAID 0
mode, please select the center side; if you want to set the RAID 1 mode, please use the right two.
1. RAID 1 Mode
1). Place two new hard drives into iR2777-S3 and strongly suggest you to use two
identical hard drives to get the equal capacity. If the capacity is different, iR2777-S3 is
downward to the small hard drive capacity.
2). Under RAID 1 mode, two hard drives has the identical information as one to mirror to the other
one, therefore each of the hard drive failed is still able to function normally. When you replace
the failed hard disk to the new one the system automatically rebuilding the data to the newly
place hard disk.
2. RAID 0 Mode
1). Place two new hard drives into iR2777-S3 and strongly suggest you to use two identical hard
drives to get the equal capacity. If the capacity is different, iR2777-S3 is downward to the small
hard drive capacity.
2). Under RAID 0 mode, capacity is add up to a one big volume, also with the feature of faster
read / write performance efficient.
