I never said that. There's simply no good reason to periodically write your data from flash to $other every now and them, and then back to flash. There are hea

I never said that. There's simply no good reason to periodically write your data from flash to $other every now and them, and then back to flash. There are heaps of other ways to prevent data loss or performance degradation in flash storage. There are methods like tiered storage, where only the most active data is present in Flash-storage, much like write back caching.