Random and Sequential Performance
For testing, we chose to use RAID 0 for performance mode and RAID 5 for redundancy testing. We used six 2TB Toshiba P300 7200RPM HDDS for testing.
As you can see from the chart, write has a small cache effect with performance starting out at 3000 IOPs but slowing as QD increases. For the most part, this solution held 350 IOPs write while read performance scaled quite well from 136 IOPs at QD1 to 1125 IOPS at QD256.
RAID 5 was similar with write performance holding 250 IOPs and read scaling from 165 IOPs QD1 to 1468 IOPs QD256
Moving into sequential performance we, the 8050U3 doesn't really pickup performance until QD8 for RAID 0. From that point, we see a steady 870 MB/s. For RAID 5 things pickup at QD16 with 54MB/s and after a steady 790 MB/s.
With write performance, we see RAID 0 start with 425 MB/s at QD1 with a solid 880 MB/s through QD128. RAID 5 is quite similar with 398 MB/s QD1 and 810 MB/s holding through QD128
Benchmarks – Workloads
Workloads are the typical SNIA setup. We see 1200 IOPs for Database, 1000 IOPs for File Server and Email just under 600 IOPs. None of the workloads seemed to scale past QD32 in RAID 0.
With RAID 5, we still have scaling stopping at QD32 but reach 1100 IOPs peak with Web Server with Email Server being the lowest at 200 IOPs.
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