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B140i Smart Array Driver Issue?

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Hello all - I wonder if anyone can corroborate what I'm seeing with the latest (Windows) version of the B140i driver, 62.2.0.64. I think the problem seems to be affecting write performance. I have caching enabled on the volumes and I also have physical drive wirte caching enabled on the controller. When I roll back to the previous driver, 62.0.0.64, without making any other changes, write performance dramatically improves and is where I expect it to be for my setup. I tried this more than once and each time I see results like attached. I am staying on the older driver for now, but it would be nice to get to the bottom of what's causing it.

 


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