Date: Fri, 20 Apr 2007 05:45:20 +0200 From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: rick-freebsd@kiwi-computer.com Cc: fs@freebsd.org, piso@freebsd.org Subject: Re: ZFS + replacing failing hard-drive. Message-ID: <86ejmfbtf3.fsf@dwp.des.no> In-Reply-To: <20070420004131.GA65715@keira.kiwi-computer.com> (Rick C. Petty's message of "Thu, 19 Apr 2007 19:41:31 -0500") References: <20070418104155.GA31727@eschew.pusen.org> <86hcrdlqak.fsf@dwp.des.no> <20070418144103.GB31727@eschew.pusen.org> <20070418155156.GB20441@keira.kiwi-computer.com> <20070418180200.GA32061@eschew.pusen.org> <86odlku5xg.fsf@dwp.des.no> <20070419173316.GA57227@keira.kiwi-computer.com> <4627EC02.8070103@nokia.com> <4627F7BE.5090606@mawer.org> <20070420004131.GA65715@keira.kiwi-computer.com>
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"Rick C. Petty" <rick-freebsd@kiwi-computer.com> writes: > I'm reluctant to point fingers at the drives (although this is often a go= od > first guess).. I have access to a few dozen disks from two separate SATA > batches. I've noticed that when the identical drives are on the same > Promise controller, FreeBSD reports DMA timeouts occasionally. Interesting. All my DMA timeout issues have indeed been with groups of identical drives (though different groups from different manufacturers) DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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