Hello! Maybe you forgot to setup grub anew on hda: After adding /dev/hda1 to /dev/md1 (/boot) you have to setup grub for hda1 again, because the boot files to be anchored within the MBR are now located at positions different from /dev/sda1. To save your system try this: Boot from CDROM, wait for /dev/md1 to be mirrored and stup grub for /dev/hda (i.e. the first disk): mount /dev/md1 /boot grub root (hd0,0) setup (hd0) quit and reboot from disk 1. Regards Alfred At 15:52 13.06.03 -0400, Derek Yeung wrote: > >Hello everyone, > >I would very much appreciate insight onto this problem: > >System: IBM xSeries 335 / IDE Mirroring / RedHat 8 / Grub > >I'm working on setting up mirroring on 2 IDE disks in RedHat 8. I >followed Neil Brown's email to Stephen Lee (dated 20 Apr 2002). > >I created a degraded RAID 1 using /dev/hdc1, created a filesystem on >it, copied everything from the existing boot to the new md device, >modified the fstab accordingly. Without the primary device added to >the md set (meaning still working in degraded mode), the machine boots >(with a few hitches -- something about a bad superblock and ext3 >mounting, which i will post more detail later) -- but, it boots. >The problem is after I add the /boot partition to the md set (i.e.: add >hda1 to md1, which md1 already has hdc1), and then reboot, the machine >fails to boot. It stops after printing "GRUB". Does anyone have any idea >why? > >I'd very much appreciate any ideas/solutions. > >Thank you very, very much > >/dky > > >- >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 > - 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