Easiest solution is to tar up your old /storage partition, then untar to the f2fs partition. At least you still have a usable backup if it all goes wrong.
Texture Cache Maintenance Utility: Preload your texture cache for optimal UI performance. Remotely manage media libraries. Purge unused artwork to free up space. Find missing media. Configurable QA check to highlight metadata issues. Aid in diagnosis of library and cache related problems.