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Subject: Re: using dd to copy a DOS partition
From: Dave Leimbach <dleimbac@MPI-Softtech.Com>
To: Ken Seggerman <suleyman@echonyc.com>
Cc: freebsd-questions@FreeBSD.org
In-Reply-To: <Pine.GSO.4.21.0104201654140.29533-100000@echonyc.com>
References: <Pine.GSO.4.21.0104201654140.29533-100000@echonyc.com>
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Date: 20 Apr 2001 16:28:47 -0500
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Dos partitions are FAT.  ISO is a filesystem of its own (ISO9660 for
CDs)  This type of backup command doesn't make sense then..

dd if=/dev/ad0s1 of=/mnt/backups/windows/filename.iso

Dave
On 20 Apr 2001 17:10:01 -0400, Ken Seggerman wrote:
> Greetings:
> 
> Somebody at an Open Source OS install fest suggested that I could copy an
> entire DOS partition to a file on a remote a UNIX file system by using dd.
> 
> I just used dd:
> 
> dd if=/dev/ad0s1 of=/mnt/backups/windows/filename.iso
> 1644993+0 records in
> 1644993+0 recoreds out
> 842236416 bytes transferred in 1599.248182 secs (526645 bytes/sec
> 
> I did not specify anything in the bs= field of dd.
> 
> The dd command worked. Will this give me a viable backup?
> 
> The only way I could tell for for sure on my own would be by blowing away
> the DOS partition in question and trying to restore it with dd. If it
> failed it would mean reformatting the hard drive from scratch reinstalling
> Windows 95 on the whole thing and then partitioning and reinstalling
> FreeBSD.
> 
> Any suggestions would be welcome.
> 
> 
> Ken Seggerman
> 
> suleyman@echonyc.com
> 
> 
> 
> 
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