Describe the issue: In RHGS 3.5.3, gluster-NFS, RDMA, Tiering features will not be supported anymore. This needs to be reflected in the Installation Guide. Describe the task you were trying to accomplish: Suggestions for improvement: Update the existing warnings in the install guide for gluster-NFS, RDMA, Tiering features that in RHGS 3.5.3 these features are not supported anymore, even for upgraded installations. Document URL: Chapter/Section Number and Title: Product Version: Environment Details: Any other versions of this document that also needs this update: Additional information: