my name is Chriz Ott, I'm working with NetApp as a Principal Architect for Transition.
Thank you very much for bringing this topic up, as I have seen this very often.
There is not a straight forward "one button fits all" answer to this.
From my perspective those are your options:
Merge the qTrees in 7-DOT (staging) and then 7MTT migration to cDOT
Move by "hand" (application based)
- On either site (cDOT or 7-Mode) you can use host / application features such as moving hypervisor datastores or moving data using copy-tools (i.e. CP, Securecopy, robocopy etc)
- The CON: you will loose data efficiencies and Snapshots. Copy speed may vary.
Hope that helps.
Please don't hesitate to contact me in case you have any additional questions.
P.S. if you feel this post is useful, please KUDO or “accept as a solution" so other people may find it faster.