From mboxrd@z Thu Jan 1 00:00:00 1970 From: berk walker Subject: Re: switching root fs '/' to boot from RAID1 with grub Date: Fri, 02 Nov 2007 11:36:00 -0500 Message-ID: <472B51F0.3080605@panix.com> References: <20071030210721.386ca2fa@absurd> <1193781699.10336.585.camel@firewall.xsintricity.com> <472A0D7A.4040807@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <472A0D7A.4040807@zytor.com> Sender: linux-raid-owner@vger.kernel.org To: "H. Peter Anvin" Cc: Doug Ledford , Janek Kozicki , linux-raid@vger.kernel.org List-Id: linux-raid.ids H. Peter Anvin wrote: > Doug Ledford wrote: >> >> device /dev/sda (hd0) >> root (hd0,0) >> install --stage2=/boot/grub/stage2 /boot/grub/stage1 (hd0) >> /boot/grub/e2fs_stage1_5 p /boot/grub/stage2 /boot/grub/menu.lst >> device /dev/hdc (hd0) >> root (hd0,0) >> install --stage2=/boot/grub/stage2 /boot/grub/stage1 (hd0) >> /boot/grub/e2fs_stage1_5 p /boot/grub/stage2 /boot/grub/menu.lst >> >> That will install grub on the master boot record of hdc and sda, and in >> both cases grub will look to whatever drive it is running on for the >> files to boot instead of going to a specific drive. >> > > No, it won't... it'll look for the first drive in the system (BIOS > drive 80h). This means that if the BIOS can see the bad drive, but it > doesn't work, you're still screwed. > > -hpa > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Depends how "bad" the drive is. Just to align the thread on this - If the boot sector is bad - the bios on newer boxes will skip to the next one. But if it is "good", and you boot into garbage - - could be Windows.. does it crash? b