Hi alvin, I got it working by disconnecting the 1st disk and then booting from cd in linux rescue mode with the 2nd disk. I mounted the "/" partition on the disk and launched grub. Here I issued root (hd0,0) and setup(hd1) to install grub in the mbr. After this I can boot fine from both disks. Christian AO> hi ya christian AO> looks okay too me... not that i played with grub too much but.. AO> make a boot floppy so that we can recover if my experiment fails ... AO> dd=/vmlinuz-2.4.18-3 of=/dev/fd0 bs-1204 AO> ( or make a boot flop w/ syslinux AO> http://www.Linux-Consulting.com/Boot/boot.flop.syslinux.txt AO> ( test that you can boot from floppy ) AO> ( you'll see lots of "...." on the screen as it boot AO> - should also work even if hda or hdc is disconnected AO> than comment out initrd in your grub.conf and "re-run/re-initialize" grub AO> - that'd be my guess of why if you disconnect hda that the system AO> wont boot AO> - am guessing that the kernel that is in the initrd is NOT able AO> to support raid1 AO> - if its not the initrd.. ( guess i better go play with grub too one day ) AO> - interesting problem... :-) AO> thanx AO> alvin >> grub.conf: >> ----------- >> default=0 >> timeout=10 >> splashimage=(hd0,0)/grub/splash.xpm.gz >> title Red Hat Linux (2.4.18-3) >> root (hd0,0) >> kernel /vmlinuz-2.4.18-3 ro root=/dev/md2 >> initrd /initrd-2.4.18-3.img >> >> >> Partitions: >> ------------ >> >> Disk /dev/hda: 255 heads, 63 sectors, 5005 cylinders >> Units = cylinders of 16065 * 512 bytes >> >> Device Boot Start End Blocks Id System >> /dev/hda1 * 1 45 361431 fd Linux raid autodetect >> /dev/hda2 46 810 6144862+ fd Linux raid autodetect >> /dev/hda3 811 1065 2048287+ fd Linux raid autodetect >> >> Disk /dev/hdc: 255 heads, 63 sectors, 5005 cylinders >> Units = cylinders of 16065 * 512 bytes >> >> Device Boot Start End Blocks Id System >> /dev/hdc1 * 1 45 361431 fd Linux raid autodetect >> /dev/hdc2 46 810 6144862+ fd Linux raid autodetect >> /dev/hdc3 811 1065 2048287+ fd Linux raid autodetect >> - 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
