[wellylug] DD no go

Jethro Carr jethro.carr at jethrocarr.com
Sun Apr 6 16:50:26 NZST 2008


On Sun, 2008-04-06 at 11:57 +1200, Cliff Pratt wrote:
> What about the different geometries? I don't know how dd does it, but as 
> I (believe) I understand it, the actually the physical tracks might vary 
> in size though the number of blocks would be the same. Is it possible 
> that dd tries to write tracks which are physically a bit longer than the 
> physical track, or am I talking nonsense?

Tracks, blocks, etc are all irrelevant to dd. It simply copies bits from
device A to device B. Track/block management is something for the device
driver to deal with.

> Going back to the original post the error was "Input/output error". You 
> said "Secondly, that's normally what happens when you run out of space 
> on the destination device, but after only 4.3GB?". I've not used 'dd' a 
> lot but isn't the message usually "Disk Full" or something?

Nope, Input/output error is the correct message.


-- 
Jethro Carr

www.jethrocarr.com
www.jethrocarr.com/index.php?cms=blog

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