Date: Sat, 11 Mar 2006 18:18:16 +0300 From: "Andrew Pantyukhin" <infofarmer@gmail.com> To: "Grant Peel" <gpeel@thenetnow.com> Cc: freebsd-questions@freebsd.org Subject: Re: dd - cloning a disk. Message-ID: <cb5206420603110718m3c671f91n147b1d3ab6aefac8@mail.gmail.com> In-Reply-To: <001901c64517$9d891950$6701a8c0@GRANT> References: <001901c64517$9d891950$6701a8c0@GRANT>
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On 3/11/06, Grant Peel <gpeel@thenetnow.com> wrote: > Hi all, > > 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 completel= y > operational fully setup FreeBSD with all the trimmings, and the other bla= nk, > 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? It is, with a few 'buts'. Firstly, the source should be mounted read-only. Secondly, you should copy the drive device itself (ie da0 to da1) instead of its partitions (ie da0c).
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