Messages in this thread |  | | Date | Fri, 9 Nov 2001 15:53:10 -0700 | From | Erik Andersen <> | Subject | Re: Disk Performance |
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On Fri Nov 09, 2001 at 08:31:32PM -0200, Rik van Riel wrote: > On Fri, 9 Nov 2001, Ben Israel wrote: > > > Why does my 40 Megabyte per second IDE drive, transfer files at best > > at 1-2 Megabytes per second? > > Sounds like you're not using IDE DMA: > > # hdparm -d1 /dev/hda > > (not enabled by default because it corrupts data with some > old chipsets and/or disks)
But wouldn't it make more sense to enable DMA by default, except for a set of blacklisted chipsets, rather then disabling it for everybody just because some older chipsets are crap?
-Erik
-- Erik B. Andersen http://codepoet-consulting.com/ --This message was written using 73% post-consumer electrons-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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