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Re: dd performance test differences




On Fri, Nov 02, 2018 at 11:58:48AM +0000, Adam Weremczuk wrote:
dd if=/dev/zero of=test.bin bs=512 count=1024 oflag=sync

That's a uselessly small block size & count. Try again with something more like bs=128k count=100000

Note that your dd test is a write test and your testparm is a read test. It would probably be useful to also do a dd read test with parameters above. (if=test.bin of=/dev/null)

Mike Stone