Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758443Ab0HLBFk (ORCPT ); Wed, 11 Aug 2010 21:05:40 -0400 Received: from clueserver.org ([65.102.45.174]:60331 "EHLO clueserver.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752154Ab0HLBFj (ORCPT ); Wed, 11 Aug 2010 21:05:39 -0400 X-Greylist: delayed 2214 seconds by postgrey-1.27 at vger.kernel.org; Wed, 11 Aug 2010 21:05:39 EDT Date: Wed, 11 Aug 2010 17:27:29 -0700 (PDT) From: alan X-X-Sender: alan@mail.fnordora.org To: Rogier Wolff cc: Alan Cox , Jeff Garzik , linux-kernel@vger.kernel.org Subject: Re: Question on siig sata 3 controller In-Reply-To: <20100810134817.GA25874@bitwizard.nl> Message-ID: References: <34979.10.6.6.23.1276144792.squirrel@10.6.6.2> <4C10A81F.50801@garzik.org> <54318.10.6.6.23.1276222123.squirrel@10.6.6.2> <20100615065714.GA9034@bitwizard.nl> <20100615110748.4303a106@lxorguk.ukuu.org.uk> <20100615145342.GC26989@bitwizard.nl> <20100615160137.62c92494@lxorguk.ukuu.org.uk> <1276622732.6843.2.camel@zowie.clueserver.org> <20100810134817.GA25874@bitwizard.nl> User-Agent: Alpine 2.00 (LRH 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2193 Lines: 49 On Tue, 10 Aug 2010, Rogier Wolff wrote: > On Tue, Jun 15, 2010 at 10:25:32AM -0700, Alan wrote: >> On Tue, 2010-06-15 at 16:01 +0100, Alan Cox wrote: >>>> Is one of these modules the driver for this controller? I think it's >>>> AHCI: lshw says it uses ports cc00 ... and a bunch of others, and >>>> those ports are claimed by ahci according to /proc/ioports. Ah! I need >>>> better eyes. lshw already mentions that it's ahci... >>> >>> AHCI will be driving it. >> >> I have seen this problem with the 2.6.33 kernel in Fedora 13. The >> problem goes away in 2.6.35-rc3. (Though networking is fubared for me on >> that kernel, so I have not migrated to it.) >> >> My understanding is the "fix" in the driver was to blacklist ncq for >> that controller. I have not verified that yet. > > One of my disks died again a while ago. So I went to the machine to > replace the drive. But I forgot to write down which one had died. So I > started it up again. Now I had 7 disks again like before, but a > different drive was now "gone". So my RAID had only 6 out of 8 drives > and was "gone". Together with some 4.7T worth of data on it.... > > Next I went to the machine with a spare sata card. I removed the > drives from the ASUS U3S6 card, and put them on the old pci sata card. > > By the time I logged in on the machine, the RAID had found 8/8 drives > and I think it had already started rebuilding..... > > I now haven't had any problems with the drives in more than a week. > > Performance of the raid has dropped from 600Mb to around 400Mb/sec, > obviously because the PCI card cannot handle 200Mb/sec of disk IO. > > I'm open to suggestions for cheap highperformance WORKING PCIe sata > cards.... I found that if I ran the latest of Linus' kernels, the controller worked correctly. There is obviously a change that needs to get backported into the other working kernels. -- Truth is stranger than fiction because fiction has to make sense. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/