
Originally Posted by
audienceofone
Interesting debate. Would it be fair to say this for an Intel SSD/ hard raid set up?
Intel drives ramp up quickly to reach peak write/ read transfer rate efficiency at around 8K/16k, which then levels out.
Hard raid is not used to targeting high-speed random data in small chunks, consequently the peak write/ read transfer rate efficiency is pushed out to 64k before it peaks and levels out, however the cache covers this shortfall in performance of the ssd.
In other words hard raid lowers peak write/ read transfer rate efficiency at typical OS workloads, but the cache makes up this shortfall and provides a positive advantage over 64k transfer rates.
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