I know.That's why I tested in dd and iostat too. 2009/9/29 Janne Johansson <j...@it.su.se>: > TomC!E! BodE>C!r wrote: >> There must be some funny tricks on those other OS's.But it doesn't >> matter (I will investigate myself). >> Now I know more about those random generators and tests for "real" are ok. >> Untar of src.tar.gz shows about 9MB/s in iostat(8) and dd ports.tar.gz >> to some file >> shows about 22MB/s. >> >> Thanks all for their tips and sorry for some of my stupid ideas ;-) > > Also, untarring lots of small files wont test your I/O in the same way > as a dd(1) test, since it will test "how often can I make atomic writes > to my disk" rather than "how much data can I move". > > >
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