[mythtv-users] Clone MythTV HDD

[John Drescher]

On Tue, Aug 4, 2009 at 5:57 PM, David Brodbeck<gull at gull.us> wrote:
> Johnny wrote:
>>
>> This weekend I cloned a drive with dd:
>>
>> dd if=/dev/sda of=/dev/sdb
>>
>> It took about 4 hours to do a 250 GB drive.
>
> It usually goes faster if you use a larger block size.  I like:
>
> dd if=/dev/sda of=/dev/sdb bs=1M
>
> I think the default block size is only 512 bytes, which isn't nearly large
> enough to get good performance out of most modern disks.
>
I usually use 8M but for simplicity I did not add that to my reply..

John