Overthere

I've performed a few more tests using ATTO and there is definately something strange going on

First I tried 2 runs using 512B only, one run using 256MB testfile and the next run using 512MB.
Here are the results of those two runs
atto_512B_256MB_vs_512MB_testfile.png

As you can see, the one thing that differs is Write I/O.
(mainly due to the size of the testfile)

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Finally I ran the full range (512B-8192KB) using a 256MB testfile
atto_full_256MB_testfile.PNG
I haven't compared it to the 2GB testfile run yet.