Re: Issue writing image to disk via dd

On Wed, Apr 13, 2011, at 21:19:43 +1000, Scott Ferguson wrote:
Upon reflection I'd be willing to bet it's down to the difference
between versions of coreutils - there's a couple of minor changes up
until 8.9 (according to NEWS). While most of the changes I've read
about improve speed and remove some minor bugs, I haven't noticed any
that increase functionality. So it may well the current Debian
version would work - just might be fussier about exact commands.
ArchLinux appears to use the version currently in git, I haven't
looked at it (8.10 changes). I'll have to have another read of the
upstream docs when I've got some time (and my eyes are rested).
<snipped>

I use dd a lot, so still curious.

That's a good thought and makes complete sense.

One thing to add is that the documentation I'm going off of was written
back in 2008 and specifically mentions doing this successfully from
Linux (though not sure which distro the author had used). I would think
that if it worked back then with whatever dd/coreutils version was
available that it should certainly work with today's coreutils. The dd
command itself also seems fairly simple and not taking advantage of
special features that might be newly available.

Just to see what would happen, I just grabbed an old CentOS release from
2008 (4.7 with coreutils 5.2.1). It worked correctly there just like
with Arch 2010.05.

Not sure what I'm missing here :).

Thanks,

-Mark


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