Messages in this thread | | | Date | Fri, 11 Jul 1997 14:43:35 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: Linux on AMD K6 |
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On Thu, 10 Jul 1997, linux kernel account wrote:
> > >On Thu, 10 Jul 1997, Christoph Lameter wrote: > >> In article <19970710123233.38080@test.legislate.com> you wrote: >> : Vadim E. Kogan <vadim@vadim.biz-net.net> wrote: >> : > 2. SCSI doesn't make big difference if you have enougth RAM >> >> : The impact of IDE on a web server with enough RAM isn't latency >> : or transfer rate -- it's cpu lossage. With a typical IDE setup, >> : you can drop packets from this. >> >> And that only happens if you have not configured the harddrive to either >> >> A. Use DMA >> >> B. allow interrupts during transfer (hdparm command) >> >> IDE is faster and more stable than SCSI especially with modern motherboards. >> > Try not to use absolutes, it indicates ignorance. Yes, in certian places >IDE can be better.. But if you enable DMA on many current IDE drives you >will risk corruption.. [..]
You not risk corruptions using DMA on IDE, the kernel use DMA as default at boot (compiling the kernel with the Tritron Chipset support). You risk HD corruption using -u flag of hdparm (but for me and all my friends works fine :).
> [..]
Andrea Arcangeli
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