> Subject: Re: Optimal block size for dd
>
> 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.
>
to do 64K at a time as it's equal to MAXBSIZE