Vantec NexStar-HX4 User Manual page 17

RAID 3 Mode (Byte-Level Striping)
HX4R Only
This mode performs a byte-level striping
with a dedicated parity disk. This mode is
generally used when application requires
highest transfer rates in long sequential read
and writes. Capacity is equal to the smallest
multiplied by (4-1).
NOTE:
All data previously stored on the hard drive will
be lost! Please back up all data to a separate
storage before continuing.
NST-640S3R-BK
Port 1 Port 2
Drive A Drive B
250GB 250GB
Striping
NOTE:
This mode runs the risk of loosing your entire collection of data should the parity disk and a single disk
become lost.
RAID 3
750GB
Port 3 Port 4
Drive C Drive D
250GB 250GB
Parity Disk
Equal Disks
RAID Mode Configuration
RAID 3
ON
NST-640S3R-BK
Port 1 Port 2
Drive A Drive B
250GB 250GB
Unequal Disks
Striping
15
RAID 3
750GB
Port 3 Port 4
Drive C
Drive D
250GB
750GB
Parity Disk