From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: SiI 3114 and sata_sil Date: Thu, 15 Feb 2007 14:27:58 -0500 Message-ID: <45D4B43E.2040807@pobox.com> References: <45D4A705.4050407@andrei.myip.org> <45D4A98A.7070705@pobox.com> <45D4AB9C.9050808@andrei.myip.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:58450 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030763AbXBOT2E (ORCPT ); Thu, 15 Feb 2007 14:28:04 -0500 In-Reply-To: <45D4AB9C.9050808@andrei.myip.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Florin Andrei Cc: linux-ide@vger.kernel.org Florin Andrei wrote: > Jeff Garzik wrote: >> Florin Andrei wrote: >>> (I'm not subscribed to linux-ide) >>> >>> I've two almost identical systems (slightly different CPUs) that use >>> SiI 3114 for SATA and RAID. >>> >>> One of them was installed a while ago with Fedora Core 5 (kernel >>> 2.6.15-1.2054_FC5smp) and whoever installed it was able to turn on >>> hardware RAID. >> >> This chip does not support hardware RAID. The capability simply isn't >> there in the silicon. >> >> http://linux-ata.org/faq-sata-raid.html#sii > > Wow! :-( > > So that means that the FC5 system is not actually on RAID? Even though > it seems so? (using /dev/dm-* for filesystem volumes) > > # lspci | grep -i sata > 03:05.0 RAID bus controller: Silicon Image, Inc. SiI 3114 > [SATALink/SATARaid] Serial ATA Controller (rev 02) > # df -m > Filesystem 1M-blocks Used Available Use% Mounted on > /dev/dm-6 125931 2999 116432 3% / > /dev/dm-1 99 13 81 14% /boot > tmpfs 1012 0 1012 0% /dev/shm > /dev/dm-2 9917 151 9254 2% /tmp > /dev/dm-3 9917 237 9168 3% /var > # lsmod | grep ata > sata_sil 13897 2 > libata 58321 1 sata_sil > scsi_mod 129641 3 sg,libata,sd_mod > # cat /etc/modprobe.conf | tail -n 1 > alias scsi_hostadapter sata_sil > > So in fact /dev/dm-* are just on one disk each (not RAID1), or what is > going on here? The's dmraid providing /software/ RAID as noted in http://linux-ata.org/faq-sata-raid.html#dmraid Jeff