But, won't doing a dd between two disks with incompatible sizes create a bad
partition table on the destination drive?
TIA,
Rama
On 10/19/05, Bob Ababurko <[EMAIL PROTECTED]> wrote:
>
> Craig Deal wrote:
> >
> >
> >>>Hope it's ok to continue this thread, but can you explain in more
> >>>detail how to use dd to copy a HD. I read "man dd" and was
> >>
> >>unable to
> >>
> >>>figure out how this is done.
> >>>
> >>>Thanks,
> >>>Craig
> >>>
> >>>___
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> >>>To unsubscribe, send any mail to
> >>
> >>"[EMAIL PROTECTED]"
> >>
> >>This is what I have done in the past.
> >>
> >>dd if=/dev/da0 of=/dev/da1 bs=8192b
> >>
> >>where da0 is the disk you want to copy and da1 is the new,
> >>blank disk.
> >>I should also mention that it is wise to do this in single
> >>user mode. I actually have read this somewhere and
> >>understand the point of it, but I must also say that I have
> >>done it both ways and they have both worked.
> >>YMMV I would have to say it is all dependant and what you
> >>have running.
> >>
> >>I have done this too many times to count and it is very easy.
> >>
> >>peace,
> >>Bob
> >>___
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> >
> >
> > I tried this and got the following error:
> >
> > ad0: FAILURE - READ_DMA status=51
> error=40
> > LBA=8387712
> >
> > Any ideas what the problem might be? Do the hard drives have to be
> > identical? One is a 30Gb and the other is a 60GB.
> >
> > Thanks,
> > Craig
> >
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>
> I would think that you can dd from a small drive to a large drive, but
> if the is possible _definitely_ not the other way around. Which size
> are source and dest. drive?
>
> -Bob
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