Describe the issue: Need changes in the Section 2.11 "Ephemeral pinning policies" in File system guide. Describe the task you were trying to accomplish: Adding a Note for more information about why Red Hat recommends to use 0.01% as percentage value for ephemerely pinning any descendant directory in the Random pinning policy. Suggestions for improvement: Add a Note Section sharing this KCS article [1] at the end of Section 2.11 for the "Random" policy to know why Red Hat recommends to use 0.01% as percentage value for ephemerely pinning any descendant directory in the Random pinning policy. [1] https://access.redhat.com/articles/7019292 Document URL: https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/5/html-single/file_system_guide/index#ephemeral-pinning-policies_fs Chapter/Section Number and Title: 2.11. Ephemeral pinning policies Product Version: RHCS 5