Greetings. My question is more pertaining to SQL Server Always On, but I figured if this piece doesn't work that won't for sure.
That said, I found this doc for a rolling upgrade from 2012 R2 to 2016, but this assumes there's an existing 2012 R2 cluster. What if I simply want to create a new cluster w 2012 R2 on one node and 2016 on the other for the purpose of migrating to a new data center where the vendor doesn't still support 2012 R2?
I know there are MANY things wrong with this plan, but I still need to find out if it's possible for management.
Thanks in advance! ChrisRDBA