DataWhale 2 Bay RAID System
To test the DataWhale 2 Bay RAID unit we used IOMeter and all tests were done using eSATA connection.
Test 1: 100% sequential Reads – 64K Transfer request size (0% Random)
JBOD RAID Setting:

SPAN RAID Setting:

STRIPE RAID Setting:

MIRROR RAID Setting:

Looking at 100% Sequential Reads, SPAN RAID mode seems to give the highest score.
Test 2: 100% Random Reads – 64K Transfer request size (0% Sequential)
JBOD RAID Setting:

SPAN RAID Setting:

STRIPE RAID Setting:

MIRROR RAID Setting:

Our Score