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I have to decide if we should buy Smart Array Controller with 2 or 4 gb cache. I currently have a P840/4G and a P440ar/2G for testing. Is there a way to check the cache usage while running a file transfer?

  • You should simply run tests based on your estimated workload, and see if there is any difference between those two. After all, you are looking for a solution that is best for your workload, and testing the workload is the best way to find it out. – Tero Kilkanen Dec 7 '16 at 8:24

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