Re: grub: root= kernel option problem
brownh_at_langhans.hartford-hwp.com
Date: 10/15/03
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Date: Tue, 14 Oct 2003 22:32:47 GMT
wizard <the_wizard_oz@nospam.yahoo.com> writes:
> On Tue, 14 Oct 2003 18:46:12 +0000, brownh wrote:
> > VFS: Cannot open root device "sdb3" on 08:13
> > Please append a correct "root=" boot option
> > Kernel panic: VFS: Unable to mount root from 08:13
> Man grub or info grub does the job ;-)
Yes, that's where I started. Indicentally, they are of little use; the
grub manual is much better when it comes to solving problems.
> Here, `hd' means it is a hard disk drive. The first integer `0'
> indicates the drive number, that is, the first hard disk, while the
> second integer, `1', indicates the partition number (or the PC slice
> number in the BSD terminology).
Yes, but as my note indicated, grub's disk numbering is not the same
as my device order. That is, my sda is hd0, my sdb is hd2, and my sdb
is hd1. The reason is that my drive numbers are determined by their
SCSI ID sequence, so that sda is ID=0, etc. However, grub's drive
sequence is determined by something else. In my google searches for
insight on this problem, I encountered the guess that perhaps it is
the sequence in which BIOS represents the drive, but I've seen no sure
answer.
Nevertheless, I took the precaution to try a stanza for my "second"
drive (sdb) in which the drive was designated hd1. Did not solve the
problem, of course, for my problem is not the drive designation
(access to the kernel), but passing a correct root= option to the
kernel.
--
Haines Brown
brownh@hartford-hwp.com
kb1grm@arrl.net
www.hartford-hwp.com
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