Re: Installation problem, possibly RAID

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On Sun, 2005-09-11 at 13:34, Bryan J. Smith wrote:
> On Sun, 2005-09-11 at 13:06 -0500, Les Mikesell wrote:
> > He's talking about finding the root partition here.  At that
> > point you have the kernel and initrd loaded and no longer
> > need bios.  Assume you have /boot on a partition that
> > bios understands and want to be able to arbitrarily move
> > the drive that holds the / partition around.  Won't
> > labels, LVM identifiers and even md devices be found
> > and assembled correctly from anywhere at this stage?
> 
> If the disk order does not change in the BIOS, yes.
> But if the disk order changes in the BIOS, no.
> That's typically the problem.
> 
> In reality, it's _also_ a problem for NT-based Windows too.
> Many people have only used DOS-based (9x/Me) Windows which can use BIOS
> Disk Services (aka "Using Compatibility Mode").

Why should the kernel/initrd-loaded stage care anything
at all about bios when finding the root partition?
/boot has to be found by bios, of course, but I'm
pretty sure I've put  / partitions on drives with
no bios access at all that nothing knows about until
the kernel is loaded and probes for them.

-- 
  Les Mikesell
    lesmikesell@xxxxxxxxx




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