From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_sil24 corruption details Date: Sun, 13 Nov 2005 19:19:36 +0900 Message-ID: <43771338.6010000@gmail.com> References: <20051110071736.23747.qmail@science.horizon.com> <43730C55.7030808@gmail.com> <87f94c370511100615u1eba1baai9d91df8ad2556510@mail.gmail.com> <43735C19.4040402@gmail.com> <4373843E.2030308@gmail.com> <87f94c370511101234v7a20c0daic907c41ccc61482c@mail.gmail.com> <87f94c370511111649j41d1832dhe7820376f96059a1@mail.gmail.com> <43755A78.3040005@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from zproxy.gmail.com ([64.233.162.205]:34858 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S932301AbVKMKTr (ORCPT ); Sun, 13 Nov 2005 05:19:47 -0500 Received: by zproxy.gmail.com with SMTP id 14so1010986nzn for ; Sun, 13 Nov 2005 02:19:44 -0800 (PST) In-Reply-To: <43755A78.3040005@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Greg Freemyer Cc: Jens Axboe , linux@horizon.com, linux-ide@vger.kernel.org Tejun Heo wrote: > Greg Freemyer wrote: >> >> Tejun, >> >> Success report: >> >> I did a 80 GB test copy with 2.6.14.1 and a Maxtor 80GB SATA drive and >> a 3112A. I had 3 drives connected to my server, one PATA for booting, >> one PATA for to hold the source data, and the SATA drive. Let me know >> if you want want details about the setup. >> >> I found no corruption. Given that my error rate was very low it is >> possible that the corruption simply did not happen, but for now I'm >> assuming my earlier issues were either a disk problem or a kernel >> issue that was resolved by the latest kernel. >> >> I'm going to continue to test this setup. I'll report any problems I >> find. >> > > Hi, Greg. > > I also have been continuing corruption test on 3112 during last two > days. It's being performed on 100GB partition of a 160GB harddisk > (samsung hd160jj). Nine passes of 'badblocks -t random -v -w /dev/sdb2' > succeeded without any problem. To replicate your test, I created a 4GB > random file by dd'ing from /dev/urandom in a separate IDE disk and > copied it to the partition 24times (24 different files of course), then > I md5sum'd all copied files twice. This test succeeded five times > without any problem, and it's in the sixth run now. > > Above badblocks and file copy tests amount to about 1.4TB of writes and > 1.9TB of reads without any data corruption. > > Let me know how your test turns out. > The 4G file test has been running through last two days and it finished thirteen more runs without any hickup. So, my 3112 + hd160jj combination finshed 9 runs of 'badblocks -t random -v -w' and 22 runs of 4G file copy & verify twice test. That's > 3TB of writes and > 5TB of reads without any error. I guess my setup doesn't have the problem you used to experience. How's your testing going? -- tejun