03-05-2015 04:42 AM
we did this in November 2014 on our distributed installation on Linux.
It was not a big issue, we did it as a upgrade.
As from upgrades in the past i think the most important thing is to ensure, that the LASR and Hadoop Installation is going correct.
Maybe you will create a SMU (SAS Migration Utility) for the metadate befor, additional to the normal metatdata backup.