We've developed a series of disk-intensive multitasking tests to highlight the impact of seek times and command queuing on hard drive performance. You can get the low-down on these iPEAK-based tests here. The mean service time of each drive is reported in milliseconds, with lower values representing better performance.
Our iPEAK workloads were recorded using a 40GB partition, so they're a little big for the 4GB i-RAM, 16GB ANS-9010, and even the 32GB X25-E. The app had no problems running, but it warned us that I/O requests that referenced areas beyond the drives' respective capacities would be wrapped around to the beginning of each drive. Since there should be no performance difference between the beginning and end of an SSD, the results should be valid.
With just one exception, our four-drive X25-E Extreme array is the class of our iPEAK multitasking tests. It's not miles ahead of the competition, though. If you average the mean service time across all nine test patterns, the X25-E RAID config works out to 0.14 milliseconds. The ANS-9010 RAID setup averages out to 0.18 ms, while a single X25-E sits at 0.35 milliseconds.
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