Date: Fri, 25 Jul 2003 09:32:59 +1000 (EST) From: Andy Farkas <andyf@speednet.com.au> To: mbaki@whywire.net Cc: freebsd-questions@freebsd.org Subject: Re: dd syntax Message-ID: <20030725093210.P92896-100000@hewey.af.speednet.com.au> In-Reply-To: <200307242141.h6OLfZg4003447@nebula.whywire.net>
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On Thu, 24 Jul 2003 mbaki@whywire.net wrote:
> I have a freebsd 5.1 machine with 2 harddrives ad0 and ad2. I need to duplicate ad2 to a 3rd
> hardrive so what I did is the following:
>
> dd if=/dev/ad2 of=freebsd5.1.bin
>
> Now when I'm done dd'ing, I can replace ad2 with the harddrive and issue the command
> dd if=freebsd5.1.bin of=/dev/ad2
>
> Both harddrives are exactly the same, so hopefully the following steps should work, correct?
Yep, thats exactly what you do.
Add a 'bs=64k' to the dd command line for better copying efficiency.
--
:{ andyf@speednet.com.au
Andy Farkas
System Administrator
Speednet Communications
http://www.speednet.com.au/
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