From mboxrd@z Thu Jan 1 00:00:00 1970 From: spam@altium.nl (Dick Streefland) Subject: Re: RAID becomes un-bootable after failure Date: Wed, 02 Jun 2004 15:30:22 -0000 Sender: linux-raid-owner@vger.kernel.org Message-ID: <72f2.40bdf28e.e6217@altium.nl> References: <40BDEA63.5040001@plasticboy.com> Reply-To: dick.streefland@altium.nl (Dick Streefland) Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Ben Williams wrote: | I have a 2-disk RAID-1 that I set up using the Red Hat 9 installer. My | problem is that pretty much any simulated drive failure makes the system | unbootable. If I power down the machine and remove drive 1, the system | can't find any bootable device. If I set a drive faulty using the | RAIDtools, re-add it, and let the recovery process run the boot loader | seems to get overwritten and I end up with a system hung at "GRUB | loading stage2". Can anyone shed some light on what's going on here? My | guess is that GRUB isn't installed on drive 2, so that removing drive 1 | or recovering drive 1 from drive 2 leads to no boot loader, but | shouldn't GRUB have been copied to drive 2 in the mirroring process? How | can I configure my system so that it will still be bootable after a | drive failure? Boot from CD-ROM (using stage2_eltorito). Make sure GRUB reads the kernel and initrd (if you use one) from the CD-ROM. Another option is a USB stick. -- Dick Streefland //// Altium BV dick.streefland@altium.nl (@ @) http://www.altium.com --------------------------------oOO--(_)--OOo---------------------------