On Mon, Dec 29, 2008 at 9:28 AM, Scott Ribe <scott_ribe(at)killerbytes(dot)com> wrote:
>> voila! cache dumped.
>
> What about read caches in the disk devices themselves?
Given that most drives have caches that are in the 16 to 32Meg range,
I doubt it makes a big difference. But you can always just dd a file
both ways that are 100Meg or so and dump it out.