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Re: grub 0.96 bug

From: Carl-Daniel Hailfinger
Subject: Re: grub 0.96 bug
Date: Mon, 21 Mar 2005 17:35:52 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; de-AT; rv:1.7.2) Gecko/20040906

Molle Bestefich schrieb:
> Chris Nicola wrote:
>>Yes I am having the exact same problem.  I am actually just going to try
>>and lower version of grub for now but I will try this patch if that
>>still happens.
> Just did this:
> ==========
> grub> device (hd0) /dev/mapper/hpt37x_ehgjaggaf
> grub> root (hd0,5)/boot
> Filesystem type is reiserfs, partition type 0x83
> grub> setup (hd0)
> ==========
> and it destroyed my RAID0.
> GRUB is such a piece of crap :-).

Um, GRUB works fine for me, even on totally crazy RAID systems not yet
supported by dmraid. There is a well-kept secret you need to know:
You can install GRUB just fine IFF you boot from a GRUB boot floppy.
NEVER (except for trivial configurations) use the GRUB shell running
under any operating system.

> It must be severely broken; since if it just sticked to writing to the
> device I pointed it at (hpt37x_ehgjaggaf) which is a RAID0 "virtual
> disk" / whatever, it should never be able to overwrite metadata out on
> the physical disk.
> Anyway, just wanted to tell you to beware.
> Gerte has a GRUB example on his page where he does setup (hd0,5)
> instead of setup (hd0), perhaps that's how it's meant to work.


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