Re: dd (coreutils 6.10)

[Jon Grant]

Hi,

Pádraig Brady wrote on 29/06/08 11:35:
> Jon Grant wrote:
> > Hi,
> >
> > I am running dd from coreutils 6.10 on the latest Knoppix disc, trying
> > to copy a failing drive to a new drive so i can try mount the partition.
> >
> > I noticed that dd tries the to read the same 512-byte block 40 times
> > before giving up.
>
> In addition if dd can't read the block at all it will not
> write anything to the output, and so your partitions will
> be even more messed up.

ah, I did not realise that, thanks for highlighting that.

> ddrescue may be better sorted to your needs.

Thanks for the tip. Just had a look at it.

I found dd_rescue last night, have been using that, with the -A option 
so it writes zeroed blocks if it can't read a block. If this doesn't 
work I will try copying with ddrescue as you suggest.

Kind regards, Jon