Date: Sun, 10 Aug 1997 09:34:39 +0200 (MET DST) From: Peter Mutsaers <plm@xs4all.nl> To: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> Cc: Peter Mutsaers <plm@xs4all.nl>, freebsd-current@freebsd.org Subject: Re: IDE vs SCSI was: flags 80ff works (like anybody doubted it) Message-ID: <199708100734.JAA27620@plm.xs4all.nl> In-Reply-To: <199708100714.AAA04251@MindBender.serv.net> References: <877mdw2smi.fsf@plm.xs4all.nl> <199708100714.AAA04251@MindBender.serv.net>
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>> On Sun, 10 Aug 1997 00:14:29 -0700, "Michael L. VanLoon --
>> HeadCandy.com" <michaelv@MindBender.serv.net> said:
>> More interesting is:
>>
>> ~> dd if=/dev/rsd0 of=/dev/null count=1600 bs=64k&;dd if=/dev/rsd0 of=/dev/nul
"LV> l count=1600 bs=64k&
>> i.e. start two of them at the same time.
>> I get as result:
>> 104857600 bytes transferred in 41.430049 secs (2530955 bytes/sec)
>> 104857600 bytes transferred in 41.437855 secs (2530478 bytes/sec)
"LV> What would be much more interesting to me is if you would do this on a
"LV> four-drive ccd stripe-set, both with Ultra-Wide SCSI and "UltraIDE".
"LV> It would be interesting to have a process running non-stop, measuring
"LV> the amount of left-over CPU, at the same time.
If only I had that hardware...
--
/\_/\
( o.o ) Peter Mutsaers | Abcoude (Utrecht), | Trust me, I know
) ^ ( plm@xs4all.nl | the Netherlands | what I'm doing.
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