[Gllug] Imaging a whole drive

[Nix]

On 17 Apr 2010, dylan at dylan.me.uk stated:

> I just want to check I'm right here - I want to take an image of a laptop 
> hard-drive. it has two partitions on it. I can do:
>
> dd bs=4096 if=/dev/sda of=laptop-hd.img

Yes, but I'd boost that 4096 substantially. Something more like 1048576
would be better (even a laptop drive is likely to be reading at *least*
a megabyte at once, probably more).
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