> > 2. Second problem is if I simulate a disk failure on my Primary
> > IDE, my secondary IDE won't boot. I read from a RH7.1 manual the
> > I have to use the LILO loader but i still get the same problem.
> > I also set my /boot partition to use RAID 1.
>
>
> sortof a chicken and egg problem, whereas i've never figured this
> out myself, i would mention this as the second best option:
> config /boot and /etc NON-raid, the rest of them in raid.
> remember, the raid config itself lives in /etc. And you want
> to recover that directory in case of emergency. (if its on
> raid for xample you'll need a kernel that understands raid
> just to read /etc). those are easy to backup anyway.
Actually it's ok to put the /etc and /boot on RAID. I think the reason
why the other disk won't boot is that no boot loader has been installed
on the second hard disk. Software RAID on Linux is on a per partition
basis, not per disk. So on RAID 1, you're mirroring partitions, not the
whole disk itself. The boot loader installed on the 1st hard disk is not
copied to the 2nd hard disk (if you installed LILO or Grub on the MBR).
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