Describe the issue: Add the documentation around data migration between various Ceph pools via RGW-Lifecycle policies. This the recommendations and considerations when migrating data between a) EC pools b) EC to Replicated and c) Replicated to EC Describe the task you were trying to accomplish: Suggestions for improvement: Document URL: Chapter/Section Number and Title: Product Version: Environment Details: Any other versions of this document that also needs this update: Additional information: