From: Jesse Burkhardt <jesse@xxxxxxxxxxxxxxx> Date: Tue, Nov 09, 2004 at 02:08:22PM -0500 > After the installation process, I found that I could boot with both > physical drives online and only one of the two physical drives when > booting in a single drive (failure simulation) mode. > I take it this is your question? And do I read correctly you mean that you cannot boot if you disconnect drive A, but can boot if you disconnect drive B? In that case, could you please give some more details on 'could boot'. Is this a problem with your bootloader (lilo, grub or other?) or with the kernel? For the record: here's my /boot/grub/menu.lst, which allows me to boot from both drives of my mirrored raid-1 root partition. timeout 15 default 0 color white/blue white/red fallback 1 title GNU/Linux (Debian working 2.6.9-mm1 kernel /dev/hda (part of raid-1 system)) root (hd0,0) kernel /boot/vmlinuz-269mm1 root=/dev/md3 video=radeonfb:1600x1200-32@85 softrepeat=1 title GNU/Linux (Debian working 2.6.9-mm1 kernel /dev/hdb (part of raid-1 system)) root (hd5,0) kernel /boot/vmlinuz-269mm1 root=/dev/md3 video=radeonfb:1600x1200-32@85 softrepeat=1 floppy=no_acpi title Memtest86 root (hd0,0) kernel /boot/memtest86.bin title Floppy root (fd0) chainloader +1 Good luck, Jurriaan -- "Evayne told you this." "Evayne," he said softly, "has forced me to bear witness to much in my life." Michelle West - Sea of Sorrows Debian (Unstable) GNU/Linux 2.6.9-mm1 2x6078 bogomips load 0.34 - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html