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Date:      Tue, 23 May 2000 22:38:17 -0400
From:      "Crist J. Clark" <cjc@cc942873-a.ewndsr1.nj.home.com>
To:        Doug Silver <dsilver@quantified.com>
Cc:        dsilver@mail.quantified.com, freebsd-questions@FreeBSD.ORG
Subject:   Re: Second hard drive problems
Message-ID:  <20000523223817.B40441@cc942873-a.ewndsr1.nj.home.com>
In-Reply-To: <Pine.LNX.4.10.10005231247550.16152-100000@danzig.sd.quantified.net>; from dsilver@quantified.com on Tue, May 23, 2000 at 12:49:07PM -0700
References:  <20000523142642.B38825@cc942873-a.ewndsr1.nj.home.com> <Pine.LNX.4.10.10005231247550.16152-100000@danzig.sd.quantified.net>

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On Tue, May 23, 2000 at 12:49:07PM -0700, Doug Silver wrote:
> # fdisk wd1
> ******* Working on device /dev/rwd1 *******
> parameters extracted from in-core disklabel are:
> cylinders=2112 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=2112 heads=16 sectors/track=63 (1008 blks/cyl)
> 
> fdisk: invalid fdisk partition table found
> Media sector size is 512
> Warning: BIOS sector numbering starts with sector 1
> Information from DOS bootblock is:
> The data for partition 1 is:
> sysid 5,(Extended DOS)
>     start 3490185221, size 3493855237 (1705984 Meg), flag 5
> 	beg: cyl 975/ sector 32/ head 0;
> 	end: cyl 975/ sector 40/ head 0
> The data for partition 2 is:
> sysid 5,(Extended DOS)
>     start 90701829, size 7 (0 Meg), flag 5
> 	beg: cyl 464/ sector 16/ head 0;
> 	end: cyl 464/ sector 24/ head 0
> The data for partition 3 is:
> sysid 0,(unused)
>     start 70254592, size 835452928 (407936 Meg), flag 0
> 	beg: cyl 0/ sector 0/ head 0;
> 	end: cyl 0/ sector 0/ head 0
> The data for partition 4 is:
> sysid 165,(FreeBSD/NetBSD/386BSD)
>     start 1, size 2128895 (1039 Meg), flag 80 (active)
> 	beg: cyl 0/ sector 2/ head 0;
> 	end: cyl 63/ sector 63/ head 15
> 
> 
> So it sees the 4th partition, is there a way to get anything off of it?

You should be able to access it like,

  # disklabel -r wd1s4

But you really should clean up those other entries.

Any idea how the DOS MBR got scrambled like that?
-- 
Crist J. Clark                           cjclark@home.com


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