On Mon, 1 Sep 2014 10:13:20 +0100, Mick wrote: > Also, I have seen everywhere bs=1048576 being used with the dd command > for hybrid iso images, rather than bs=4096 or some other value. I am > not sure if writing a larger block size is of importance, but I mention > it in case it makes a difference.
In my experience, anything over 4k makes little or no difference. The filesystems have a 4k block size, so the default of 512 is dead slow, but once you hit the block size the improvments stop. I usually use dcfldd these days, which seems to do a good job of working out the optimum block size for itself, instead of using a prehistoric default. -- Neil Bothwick Anything worth fighting for is worth fighting dirty for.
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