The following link contains the current best practice for converting your array from RFS to XFS, based on lessons learned and lengthy discussion in the discussion thread (also linked below). Thanks to the community for the conscientious updates to improve the efficiency and safety of this process. And to RobJ for gathering all of the best ideas, and adding to them himself, and putting them into the wiki! This thread does not allow posting so that it is easy for users to locate the actual procedu