[buug] dd to clone
Bruce Ferrell
bferrell at baywinds.org
Thu Mar 8 15:29:18 PST 2007
I'm not too sure about putting the MBR from one disk onto a dissimilar
disk. As I recall there may be stuff specific to the disk geometry...
been a long time and I could be wrong there
John de la Garza wrote:
> This kind of gets back to me wanting to use dd. From what I see this
> is a gui to dd (and some other things like netcat). I'm kind of in
> need of a command line tool. I only have a shell interface to work with.
>
> Although, if I play with this I may get some ideas from looking at what
> it does to image a drive.
>
>
> On Mar 8, 2007, at 2:17 PM, Bruce Ferrell wrote:
>
>> true, no mbr. got something different:
>>
>> http://air-imager.sourceforge.net/
>>
>> Just saw it today
>>
>> John de la Garza wrote:
>>
>>> This wont copy the MBR or the partition table. I am looking for a
>>> way to clone a harddrive, not just a directory.
>>> On Mar 7, 2007, at 3:09 PM, Bruce Ferrell wrote:
>>>
>>>> use tar. it'll give you an accurate copy independant of the
>>>> underlying hardware. something like this:
>>>>
>>>> tar cvf - <hda root> | (cd <hdb root> ; tar xvf -)
>>>>
>>>>
>>>>
>>>> John de la Garza wrote:
>>>>
>>>>> I have a linux box that is up and running in a production
>>>>> environment.
>>>>> I want to reproduce the box for a backup server. If I want to use dd
>>>>> to copy the harddrive could I simply do something like:
>>>>> dd if=/dev/hda bs=1024k of=/dev/hdb
>>>>> or must I know more about the hard drives and do some
>>>>> calculations for
>>>>> how much data to copy?
>>>>> hdb is greater than or equal to the size of hda in this case
>>>>> _______________________________________________
>>>>> Buug mailing list
>>>>> Buug at weak.org
>>>>> http://www.weak.org/mailman/listinfo/buug
>
>
>
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