Date: Sat, 11 Mar 2006 15:29:44 -0800 From: Joseph Vella <satyam@sklinks.com> To: freebsd-questions@freebsd.org Cc: Wojciech Puchar <wojtek@tensor.3miasto.net>, Grant Peel <gpeel@thenetnow.com> Subject: Re: dd - cloning a disk. Message-ID: <200603111529.44329.satyam@sklinks.com> In-Reply-To: <20060311234213.N68417@chylonia.3miasto.net> References: <001901c64517$9d891950$6701a8c0@GRANT> <20060311234213.N68417@chylonia.3miasto.net>
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On Saturday 11 March 2006 14:43, Wojciech Puchar wrote: > > > > Here is a simple (I think!) question for the I/O savy among you: > > > > If I had two identical disks, say, 73 GB Seagate 10K SCSIs, one completely > > operational fully setup FreeBSD with all the trimmings, and the other blank, > > or perhaps loaded but no longer usable, is 'dd' and appropriate tool to > > completely clone the Good disk to the not so good disk....therefor making the > > second disk identical to the first? Bootable and all? > > yes > > dd if=/dev/firstdisk of=/dev/seconddisk bs=64k > > and yes it is bootable, but if you boot from second disk, FreeBSD kernel > will mount root from first disk anyway, unless you will reconfigure it. > Would this also work to copy CDs? If so, does it matter what os and/or format they would have?
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