The NetApp toolchest has the latest Harvest IAG guide I believe you are referring to.
http://mysupport.netapp.com/tools/info/ECMLP2314554I.html?productID=61924
I would also check out Chris Madden's blog that has all the information you will need plus the link to the virtual appliance put together by Yann Bizeul.
http://www.beginswithdata.com/2016/11/14/harvest-1-3-released/
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