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