Date: Sun, 20 Aug 2006 19:51:29 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: Greg Byshenk <freebsd@byshenk.net> Cc: Matt Dawson <matt@chronos.org.uk>, freebsd-stable@freebsd.org Subject: Re: ATA problems again ... general problem of ICH7 or ATA? Message-ID: <44E8A121.7030808@quip.cz> In-Reply-To: <20060820162032.GE633@core.byshenk.net> References: <20060820120049.06E0516A52F@hub.freebsd.org> <200608201338.56109.matt@chronos.org.uk> <20060820162032.GE633@core.byshenk.net>
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Greg Byshenk wrote: [...] > I am not sure if it is related, but... I experienced a similar sort of > problem, although the details in my case are quite different. > > What was similar was that I would "lose" two ATA drives from an array, > inexplicably. Reconfiguring the same drives and rebuilding would cause > them to work perfectly again -- for some number of days, after which > the same failure would occur. > > What is different is that this was with a 3Ware RAID controller -- > which made removing/raconfiguring/rebuilding much easier -- but I was > seeing the exact same errors. > > This happened four times (with the same errors that have been discussed > here), running 6.1 STABLE as of June 22. Before attempting to RMA the > drives, I tried an updated kernel, 6.1 STABLE as of July 19. Strangely > enough, the problems disappeared. > > So, while I have not checked everything that has changed, it _might_ be > worth trying 6.1 STABLE... I have problems with 6.1-RELEASE same as with 6.1-STABLE from August 2. I can try newer STABLE, but as I see on cvsweb, there are not much changes in ATA driver sources, only new chipsets added. It is strange to me, that I can see significant changes of read/write speed. (I am running nonstop tests with writing disk full of files, delete them, and start again + generating graphs) Speed vary from 2.5MB/s to 11MB/s by jumps. Not continuous from the lowest to the highest. Writing is for example 3MB/s for 20 hours, then jump to 10MB/s and after some time (6 - 20 hours) jump down to about 3MB/s. After some days of testing, disk disappear, system reboots itself, resynchronize gmirror and work for next few days till the next disk lose. Also earlier synchronization was done after 1:30 hour (at about 30MB/s), now synchronization run at lower speeds - from 2.5MB/s to 15MB/s, so the whole synchronization is done after more then 5 hours (the longest was 20 hours to synchronize 250GB HDDs) I don't know what more can I test, what more could be done to solve these problems. :( Any help will be appreciated Miroslav Lachman
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