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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Jim Flowers <jflowers@ezo.net>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: dd copy of FreeBSD-7.2 won't boot
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> I have a remote server that was dd copied from one hard drive to another -
> essentially the same size.  The disk device name (ad4) is the same but the
> geometry for the new drive has a CHS of 969021/16/63
>
> On booting it hangs at:
>
> F1        FreeBSD
> Boot:     F1
>
> I copied the MBR with 'boot0cfg -B -opacket ad4' just to be sure but no joy.
> fbsd fdisk reports start 63, with CHS beg: 0/1/1 end: 1023/15/63.
>
> Any help on direction to solve this?
>

try fdisk -B /dev/ad0

but even better next time don't make slices, only disklabel. It just make 
life simpler. I still don't understand why sysinstall by default create 
them. It should be only used when windoze has to be run from the same disk