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Re: [linux-lvm] software mirroring



Jon Bendtsen said:
> I have tried it, and it works fine.

OK...I need massive help... I have 2 drives hda and hdc. hda contains 1
partition, the original installation. hdc has two partitions. One for
/boot and one for / (and all subdirectories). I then created to raid1's
with hdc as the primary drive and hda as a "failed-disk". This way I can
always boot off of hda in case it doesn't work. /dev/md0 sits on hdc1 and
contains /boot and /dev/md1 sits on hdc2.

I then pvcreated /dev/md1 and created a root LV and then copied my
installation. I modified lilo.conf and fstab and ran lilo (I'll include my
lilo.conf at the end).

My theory is that I can change my BIOS setting to boot off /dev/hdc and
then once I am sure it works, change hda entries in my raiddtab to
"raid-disk" and hot add them. Rerun lilo and then I should be able to boot
off of hda.In theory.

I can run lilo. It understands my raid disks (lilo is version 22.2, my
kernel 2.4.18 and I am using lvm 1.0.5). However once I reboot and switch
the BIOS, I now get L 80 80 80...when I try and boot of /dev/hdc. It still
works fine booting off of hda.

Can you help?
Thanks,
Scott

HERE is my lilo.conf for the raid

boot = /dev/md0
delay = 50
vga = normal
lba32
image = /boot/vmlinuz
  root = /dev/rootvg/root
  label = linux
  initrd = /boot/initrd-lvm-2.4.18.gz
  ramdisk = 8192
  read-only






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