One of the concerns raised with regards to volume migration was the lack
of tempest testing for the functionality. Since they I have had some
interest indicated in helping this effort. So, to get things started I
have created an etherpad to track development of such test cases and to
share thoughts/plans for such work: 
Please let me know if you have any questions with regards to this.
Thanks to anyone who is interested/able to help with this effort!
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