Sisoft Sandra Disk Benchmark

Sequential Write

Again, the scenario here is the same as with the Buffered Write tests. The performance of the RAID 1 (Mirrored) array was expectedly bad.

RAID 0 with the 1024 KB stripe size topped the chart, though by not much. And again, RAID 0 with the 128 KB stripe size was the worst performing RAID 0 setup.

Random Write

This scenario is a little bit more interesting. Topping the chart again was none other than RAID 0 with the 1024 KB stripe size. However, RAID 0 with the 128 KB stripe size is no longer the worst performer of the RAID 0 arrays.

Mirroring, Spanning and normal mode appears to perform at the same level. Now, why is this so?

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