Date: Thu, 11 Jan 2007 11:45:24 +0000 From: Josef Karthauser <joe@FreeBSD.org> To: Peter Jeremy <peterjeremy@optushome.com.au> Cc: freebsd-fs@freebsd.org Subject: Re: Trouble booting second ide drive (gmirror configuration). Message-ID: <20070111114524.GA13405@genius.tao.org.uk> In-Reply-To: <20070109062606.GA853@turion.vk2pj.dyndns.org> References: <20070107232055.GA2450@genius.tao.org.uk> <20070109062606.GA853@turion.vk2pj.dyndns.org>
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On Tue, Jan 09, 2007 at 05:26:06PM +1100, Peter Jeremy wrote:
>
> The logs you included showed the loader complaining "can't load 'kernel'"
> rather than having a corrupt disklabel.
>
> I presume you've confirmed that the disk actually has a kernel on it?
Yes, it's a dump/restore of the existing root partition on the other
disk, and I can mount it correctly and verify this when booted off drive
zero.
> Does the geometry reported by the BIOS match the on-disk geometry from
> fdisk? Have you tried toggling LBA?
Hmm. How can I verify this? The machine is remote and I've not got
access to the bios screen.
> When you're at the loader prompt, what do "ls /boot" and "ls /boot/kernel"
> return?
It will have to wait until a quiet period so I can reboot to verify, but
my memory tells me that when I tried to see what was on the disk from
the boot loader I got some message about inconsistent or corrupt
disklabel.
Is it possible that it's a bios issue and that the bios isn't correctly
configured for this disk? How might I work around that if that's the
case?
This is what fdisk reports:
******* Working on device /dev/ad0 *******
parameters extracted from in-core disklabel are:
cylinders=238216 heads=16 sectors/track=63 (1008 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=238216 heads=16 sectors/track=63 (1008 blks/cyl)
******* Working on device /dev/ad1 *******
parameters extracted from in-core disklabel are:
cylinders=238216 heads=16 sectors/track=63 (1008 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=238216 heads=16 sectors/track=63 (1008 blks/cyl)
and this is the boot time probe:
ad0: 117246MB <Maxtor 6Y120L0/YAR41VW0> [238216/16/63] at ata0-master UDMA100
ad1: 117246MB <Maxtor 6Y120L0/YAR41VW0> [238216/16/63] at ata0-slave UDMA100
Joe
--
=== Josef Karthauser (joe@tao.org.uk) === http://x2obuilder.com/tao ===
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