Baslinux mailing list

[John Beck <john AT johnbeck.org>]

dd will copy the mbr if you do the entire disk and dd doesn't care what
type of data or formatting the disk is, it will copy it exactly as it
is. If the destination drive is larger than the original it will have
free space at the end of the disk.

sindi keesan wrote:
> On Mon, 20 Nov 2006, John Beck wrote:
> 
>> No need to format, dd will duplicate the disks (or partitions) sector by
>> sector, so formatting and data both will be replicated. It will even
>> clone the mbr to allow booting (if the original drive is bootable).
>>
>> dd is great, but can be slow. If I'm not in a pinch alot of times I'll
>> use Symantec (formerly Norton) Ghost, but dd is free and on my knoppix
>> disks.
> 
> Several websites suggested specifying a larger block size than the 
> default to speed up copying:
> 
> dd if=/dev/had of=/dev/hdb bs=8k   - copies in 8k blocks.
> 
> 
> Can I copy both Windows and BL3 ext2 files/partitions between drives, if 
> the drives are different sizes?  If so, what happens to any additional 
> space on the second drive, is it just left as free space?
> 
> Is there some way to copy the mbr with cp?
> 
> I am thinking of sneaking BL3 into the giveaway Win98 computers (50MB with 
> browsers), along with our phone number in a start menu for help with it.
> 
>> sindi keesan wrote:
>>> On Mon, 20 Nov 2006, sindi keesan wrote:
>>>
>>>> yOn Sun, 19 Nov 2006, John Beck wrote:
>>>>
>>>>> I'd use dd (disk dump) to clone HD to HD.
>>>>>
>>>>> dd if=/dev/hda  of=/dev/hdb
>>> I found some answers.
>>>
>>>> Can we also dd if/dev/hda1 of/dev/hdb1?
>>> This won't copy the MBR - do we need the MBR if there is no boot manager?
>>>
>>>> Can we copy between drives or partitions of different sizes with dd, like
>>>> we can with cp -a *?  We have some 340 and some 500MB.
>>> hdb has to be as large as or larger than hda.
>>> There is no need to mount a device when using dd.  Do I format hdb?
>>>
>>> We will install to 340MB and copy to 340MB and 500MB.
>>>
>>>
>>>
>>>>> sindi keesan wrote:
>>>>>> We were unable to copy Win98 between hard drives using DOS and boot the
>>>>>> result.  Might be something about the hidden files.
>>>>>>
>>>>>> Would cp -a /hd/* .  (after mounting both drives and cd'ing to target)
>>>>>> clone a Win98 hard drive after formatting to FAT32?
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> 
> keesan AT sdf.lonestar.org
> SDF Public Access UNIX System - http://sdf.lonestar.org
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