On Mon, Mar 29, 2010 at 10:46 PM, Marcy Cortes
<[email protected]> wrote:

> Fortunately, making one with "zipl -d" works well and is fast (3 minutes for 
> 8G - what the heck is vmdump doing for 2 hours !!??!!)

http://www.rvdheij.nl/Presentations/2008-L93.pdf  (pg 11-22).

For every page of that 8G, CP is writing a page, reading a page and
writing a page. That's 3 I/O's per page.This was designed for virtual
card punch (and probably still a lot faster than when you had to punch
2 million cards).

Rob
--
Rob van der Heij
Velocity Software
http://www.velocitysoftware.com/

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