[mythtv-users] Clone MythTV HDD

[David Brodbeck]

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.