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Date:      Fri, 20 Apr 2001 17:10:01 -0400 (EDT)
From:      Ken Seggerman <suleyman@echonyc.com>
To:        freebsd-questions@FreeBSD.org
Subject:   using dd to copy a DOS partition
Message-ID:  <Pine.GSO.4.21.0104201654140.29533-100000@echonyc.com>

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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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