On 2/4/2014 12:08 PM, Phillip Susi wrote:

Or the obvious and dropping the cache first, the way hdparm -t does.

"hdparm -t" is a read test.

Everything we've been discussing has been about maximizing write
throughput.  The fact that you argue this at this point makes it crystal
clear that you don't have no understanding of the differences in the
read/write paths and how buffer cache affects each differently.  Further
discussion is thus pointless.

-- 
Stan