Re: Alternative booting

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Karl Larsen wrote:

Also, I do not have plain simple IDE drives, but a RAID array on the nVidia SATA controller that I want to use to boot from. In that case, when I specify a hdx device it will write the boot loader to only one of the drives of the mirror array, which doesn't do any good.
If bios sees the drives as separate things, then that's how you have 
to install grub, since it has to call bios to load the kernel.  On a 
real hardware raid, bios will only see the array.
Les you have bios on the brain. My 1994 bios works fine with 2007 hard drives. You are trying to protect the grub people I think. It isn't grub but it could be a kernel problem. I might boot to my old kernel and see....
Until the kernel and initrd are loaded, bios is the only way you can 
access the drive all grub does is make bios calls to get sectors. You 
can't have a kernel problem until the kernel is loaded, at which point 
the error will be something about not being able to mount the root 
partition.  Grub is a bit strange in that it doesn't use the linux names 
for the devices and partitions and you might be confused by the 
symlinked location of grub.conf if you have a separate /boot partition, 
but otherwise it pretty much does what it is told to do.
--
  Les Mikesell
   lesmikesell@xxxxxxxxx

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