> You are correct in all of your statements. You can certainly run the
> tests with compression off than on, but I would assume you will be
> running production with compression on so why not just test with that.
> You will want to test will multiple streams on one drive to see the max
> speed that the drive can handle. Do one stream as a first test, than 4,
> 6, 8...etc...When the speed does not increase anymore you have maxed out
> the drive. 

You should also expect about 1.7 x native speed from the drives when they
are running at full speed  with compression.

Best
Dag

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