From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sander Smeenk Subject: Re: Data corruption on software raid. Date: Sun, 18 Mar 2007 18:38:49 +0100 Message-ID: <20070318173849.GM6063@freshdot.net> References: <20070318131606.GJ6063@freshdot.net> <45FD6DCF.3040300@tmr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <45FD6DCF.3040300@tmr.com> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Quoting Bill Davidsen (davidsen@tmr.com): > >>I'm having an odd problem with using software raid on two Western > >>Digital disks type WD2500JD-00F (250gb) connected to a Silicon Image > >>Sil3112 PCI SATA conroller running with Linux 2.6.20, mdadm 2.5.6 > Your comments below are thoughts on the PATA RAID1, not the one which is > giving trouble, the SATA. Although your comment here is right, i was indeed questioning about the SATA disks, Justin did make me realise i forgot to check SMART status with smartctl. It turns out sdb is a bit dodgy. It aparently had a read error earlier, and during the 'long' SMART test just now, it also failed. But this still amazes me, as i ran 'mke2fs -c -c' on the disk AND copied about 95% of the disks capacity to it with no corruption or errors at all. I don't know if i completely understood your comments about user buffers. I can hardly believe the buffer to change it's contents before actually being written to disk? Or did i misunderstand? Regards, Sander. -- | When she saw her first strands of gray hair, she thought she'd dye. | 1024D/08CEC94D - 34B3 3314 B146 E13C 70C8 9BDB D463 7E41 08CE C94D