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Adam_a

QNAP Qtier and SSD Cache Review

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Flash has obvious performance benefits over spinning disks, but the later has a cost to capacity benefit over the former. Knowing that putting nothing but flash in a NAS is probably not something most organizations can do, QNAP offers to options for user to take full advantage of flash’s performance while still leveraging the capacity and value of HDDs. QNAP offers an SSD caching option to write to and read from the SSDs for faster performance for the hot data that is sent to flash. The company also offers a tiering option, named Qtier, that automatically moves data to the appropriate media depending on how often it is accessed. 

 

QNAP Qtier and SSD Cache Review

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I know this is old, but did you just draw graphs in paint, because the numbers you have are impossible.  Benchmark curves don't bend back on themselves so that you have 2 Y values a single X value.  That's middle-school math, dude.

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We've talked about this several times, the graphs show performance falling back after storage is pressed beyond it's peak performance. 

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