Gururajan Ramachandran wrote:

Hello,

If I want to clone a hard disk drive using "dd", can I
just use an arbitrarily large block size to speed up
the process?

For example,

dd if=/dev/hda bs=32768k of=/dev/hdc

or is the block size dependent on something and has to
be carefully chosen?



I choose a large number based on available RAM. 32 Mb is fine (though probably little better than 32k).


What block size should I choose to clone a 40GB drive?


If you'd started,  you'd be finished now:-)




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Cheers
John

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