[linux-lvm] Q: LVM over RAID, or plain disks? A:"Yes" = best of both worlds?

[hansbkk at gmail.com]

On Wed, Dec 1, 2010 at 7:50 PM, Phil Turmel <philip at turmel.org> wrote:
>> Does dd already do some sort of "verify after copy"? I will likely
>> investigate the available COTS partition cloning tools as well.
>
> Not natively, but it fairly easy to pipe a dd reader through md5sum to a dd writer, then follow up with a dd read + md5sum of the copied partition (taking care to read precisely the same number of sectors).
>
> The various flavors of ddrescue might have something like this..  didn't check.

Sorry it's a bit OT, but for the sake of future googlers thought I'd
point to this tool I found:

http://dc3dd.sourceforge.net/
http://www.forensicswiki.org/wiki/Dc3dd