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List:       opensuse
Subject:    Re: [opensuse] booting from a duplicated hard disk
From:       Per Jessen <per () opensuse ! org>
Date:       2010-12-31 13:47:42
Message-ID: ifkmtv$hbj$2 () saturn ! local ! net
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Felix Miata wrote:

> On 2010/12/31 09:59 (GMT+0100) Per Jessen composed:
> 
>>>>  Sampsa Riikonen wrote:
> 
>>>>>  I have duplicated my hard disk using "dd", including the boot
>>>>>  partition to another hard disk (a sata drive in a usb box).  Now
>>>>>  I am trying to boot from this duplicated disk, but nothing
>>>>>  happens.. grub does not start at all.
> 
>> True - personally I don't use dd for copying drives unless I have a
>> specific need for that. Copying filesystems with tar or rsync is
>> easier and less hassle - I do it fairly frequently to clone systems
>> (that almost never have the same drives).
> 
> Apparently your definition of "clone" doesn't match the true meaning
> of the word.  Sampsa used dd, which makes a true clone of the whole 
> device, Grub, device label, UUID & all. Copying filesystems with rsync
> or tar is never true cloning, as they are file-based copy programs,
> not bit/sector by bit/sector copiers.

Thanks for explaining that, Felix, I really didn't know. 


-- 
Per Jessen, Zürich (3.2 °C)

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