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Date:      Sun, 4 Mar 2007 10:50:51 -0700 (MST)
From:      Warren Block <wblock@wonkity.com>
To:        Grant Peel <gpeel@thenetnow.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Cloning a disk -large to small
Message-ID:  <20070304104410.V77306@wonkity.com>
In-Reply-To: <005501c75e44$1107f630$6501a8c0@GRANT>
References:  <005501c75e44$1107f630$6501a8c0@GRANT>

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On Sun, 4 Mar 2007, Grant Peel wrote:

> I have been researching the use of 'dd' quite a bit lately as I have 
> had to clone a newly setup server.

dump/restore is generally a better solution for cloning drives.  On 
large drives, dd wastes a lot of time copying empty sectors.

> I was wondering though, if one had a newly setup disk on a 74 GB SCSI 
> dirve, is there some know turning that can be done to clone it to a 
> smaller drive? Say 36 GB?

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#NEW-HUGE-DISK

Using dump works for going from large to small partitions, too, as long 
as the small partition is big enough to hold all the data.

-Warren Block * Rapid City, South Dakota USA



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