Messages in this thread | | | From | (Miquel van Smoorenburg) | Subject | Re: IDE drive data transfer rates, kernel optimization? | Date | 6 Aug 1998 13:19:43 GMT |
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In article <199808060643.IAA00557@cave.BitWizard.nl>, Rogier Wolff <R.E.Wolff@BitWizard.nl> wrote: >In practise, you get about 5 - 10 Mb per second out of one disk, and >the next disk needs to be on a different controller to get any decent >performance out of the two. > >My Quantum gets about 5.7Mb per second on the first 100Mb: > >time dd if=/dev/hda of=/dev/null bs=1024k count=100 >-> 17.95 seconds "elapsed time".
# time dd if=/dev/hda of=/dev/null bs=1024k count=100 -> 7.89 seconds "elapsed time".
That's 12 MB/sec ;) [Actually "hdparm -t /dev/hda" gives the same results and is lots easier to use]
hda: Maxtor 90840D6, 8010MB w/256kB Cache, CHS=1021/255/63, UDMA
Not bad huh?
Mike. -- Miquel van Smoorenburg | Our vision is to speed up time, miquels@cistron.nl | eventually eliminating it. <*>
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