Date: Wed, 17 Aug 2005 16:57:03 +1200 From: Mark Kirkwood <markir@paradise.net.nz> To: Mark Kane <mark@mkproductions.org> Cc: freebsd-stable@freebsd.org Subject: Re: ad10: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=11441599 Message-ID: <4302C39F.2090500@paradise.net.nz> In-Reply-To: <43021000.2090701@mkproductions.org> References: <43021000.2090701@mkproductions.org>
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Mark Kane wrote: > > However, note that if I turn the drives speed down to UDMA100, the > errors seem to go away. Has anyone else tried this for their problems? > I currently do this, not due to problems, but to improve the write performance: 4xMaxtor 6E040L0 RAID0 UDMA133 -> 40M/s UDMA100 -> 120M/s (seem to find read performance is *slightly* slower for UDMA100, but not enough to make it worth worrying about). However this may just be a quirk specific to my system (Tyan S2510 + PCD20271). Cheers Mark
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