Subject: Re: Optimal block size for dd
To: Michael Blake <mblake@headbyte.co.uk>
From: Chris Pinnock <cjep@fawlty.net>
List: netbsd-users
Date: 08/31/2003 09:57:39 
On Sat, Aug 30, 2003 at 06:42:53PM +0100, Michael Blake wrote:
> I'm trying to make an image of a NTFS partition, and wondered what the optimal 
> block size is. I've tried 512B, but it seems really slow...

IIRC, the optimal size for copying disc partitions is to do it a
cylinder at a time.