Date: Mon, 9 Oct 1995 23:00:51 -0700 (PDT) From: Julian Elischer <julian@ref.tfs.com> To: itemple@elysium.clare.tased.edu.au (Iain Templeton) Cc: questions@freebsd.org Subject: Re: Hard disk copying Message-ID: <199510100600.XAA16870@ref.tfs.com> In-Reply-To: <Pine.3.85.9510101514.C2851-0100000@elysium.clare.tased.edu.au> from "Iain Templeton" at Oct 10, 95 03:56:14 pm
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>
> Is it possible to make an exact duplicate of a hard disk. I saw something
> here the other day which looked similar to what I'm after, although I
> didn't know it at the time.
>
> What I basically want is to be able to copy one disk, to another
> (obviously), where the disks are on the same SCSI2 controller, and should
> be the same model drive (exact model not known at this time).
if they have the same number of blocks,
then
dd if=/dev/rsd0 of=/dev/rsd1 bs=64k should work..
this will mail miserably if the second drive is smaller than the first :)
>
> This is for backing up to another working drive so that one can be
> replaced if the other one fails (or something like that). The ability to
> go back the other way is not necessary.
>
> Thanks, Iain...
>
> ------------------------------------------------------------------------------
> Iain Templeton, Grade 12 student and administrator of Unix boxes/WWW/News at
> Claremont College, Claremont, Tasmania, Australia.
ah the land of real chocolate!
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