From owner-freebsd-questions  Wed Aug  4  8:28:20 1999
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Date: Wed, 04 Aug 1999 18:27:50 +0300
From: Evren Yurtesen <yurtesen@ispro.net.tr>
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To: "J. Whitson Linder" <WLinder1@home.com>
Cc: "'FreeBSD-Questions@FreeBSD.ORG'" <FreeBSD-Questions@FreeBSD.ORG>
Subject: Re: Lost Boot Sector
References: <01BEDE4B.D956A400.WLinder1@home.com>
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can it be a problem in the bios? like it does not know your hard drive
specs?
if not
then try to boot with a fixit floppy and mount your / filesystem
then you can have access to /etc directory too


"J. Whitson Linder" wrote:
> 
> Greetings!
>    A recent power outage prompted me to shut down my FreeBSD server before
> my UPS ran out of juice. I issued the "shutdown -h now" command and waited
> until everything was halted...then I cut the power. After power was
> restored, I began to reboot my systems. My server, however, halted at the
> boot prompt with the following error:
> 
> Disk error 0x4 (lba=0x2bff)
> Invalid format
> 
> >>FreeBSD/i386 BOOT
> Default: 0:wd(0,a)/kernel
> boot:
> 
> I can type a "?" and get a root listing, but none of my kernels seem to
> work...not even the two backup "safe" kernels I keep just in case. The
> weird thing is, my custom kernels aren't listed. I have read through about
> 3000 posts on similar subjects, but none of those ideas seems to work for
> me. I haven't upgraded or anything recently. This is a virgin install of
> FreeBSD 3.1-stable. Disklabel reports that my original partitions and
> slices are the same as ever (this is a "dangerously dedicated" install).
> "/boot/loader" gives me the same error as above. I tried booting from
> floppies and mounting my old partitions, but didn't have any luck.
> 
> I don't mind reinstalling the OS...I just would like to get the info from
> /etc and my user homes. Anyone have any ideas?
> 
> J. Whitson Linder
> WLinder1@home.com
> 
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