Date: Fri, 20 Apr 2007 14:52:17 +1000 From: David Cecil <david.cecil@nokia.com> To: rick-freebsd@kiwi-computer.com Cc: fs@freebsd.org, piso@freebsd.org Subject: Re: ZFS + replacing failing hard-drive. Message-ID: <46284701.8080107@nokia.com> In-Reply-To: <20070420004131.GA65715@keira.kiwi-computer.com> 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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Just to be clear, I've seen these errors for SATA and PATA drives. Dave ext Rick C. Petty wrote: > On Fri, Apr 20, 2007 at 09:14:06AM +1000, Antony Mawer wrote: > >> Just another "me too". I've seen (S)ATA-related problems on 6.x (mostly >> 6.0) based machines, in some cases these appear to have been physical >> drive errors, but I haven't been able to verify each individual case. I >> don't know if quality control is sorely lacking on newer SATA drives or >> if it's something else... it has caused me to question whether or not >> there might be a driver/OS level issue... >> > > I'm reluctant to point fingers at the drives (although this is often a good > 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. I've never > seen anything similar on Ubuntu, although since the timeouts are > unpredictable it's possible there may be throughput differences between the > two OSes. > > -- Rick C. Petty > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > -- Software Engineer Secure and Mobile Connectivity Enterprise Solutions Nokia +61 7 5553 8307 (office) +61 412 728 222 (cell)
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