Here is my e6500: $ sudo dd if=/dev/rsd0c of=/dev/null bs=1m count=500 500+0 records in 500+0 records out 524288000 bytes transferred in 4.631 secs (113202161 bytes/sec)
On Tue, Sep 29, 2009 at 09:44:53AM +0200, Tom???? Bod????r wrote: > 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". > > > > > > > > > > -- > http://www.openbsd.org/lyrics.html