Re: Using dd to copy a disk.

From: Alan Connor (alanconnor_at_earthlink.net)
Date: 07/29/03

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    Date: Mon, 28 Jul 2003 15:22:54 -0700
    To: debian-user@lists.debian.org
    
    

    > From moseley@hank.org Mon Jul 28 15:14:20 2003
    >
    >
    > On Mon, Jul 28, 2003 at 01:32:06PM -0700, Alan Connor wrote:
    > > > From moseley@hank.org Mon Jul 28 13:31:19 2003
    > > >
    > > >
    > >
    > >
    > > Use cp -a . Dd is just a dumb parrot and knows nothing about filesystems.
    >
    > Well, I think that's the reason to use dd. I just want to clone the
    > drive and not have to partition the drive first.
    >
    >
    > --
    > Bill Moseley
    > moseley@hank.org
    >
    >

    There have been endless discussions about this on various linux groups, and
    the consensus is that dd is not a good idea for this.

    I've tried both ways to clone a linux system and only had failures with dd.

    You can do a perfect job (in my present working
    experience with cp -a. Got a box right next to this one with the same exact
    system on it.

    About the symlinks that Ron mentions, I really don't know. Just have my own
    experience to draw on. I guess if what you were cloning wasn't self-contained
    that would be something to deal with. Something for a little shell script
    after everything else was done, if it was me.

    As for not formatting and partitiioning, I don't think I would try to do that.
    That's where I screwed up with dd.

    What's the big deal about formatting and partitioning? Takes a couple of
    minutes with cfdisk and mke2fs.

    On the other hand, I have use dd to clone boot floppies, so........??

    Alan

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