doc/cephfs: edit troubleshooting.rst

Edit the section "RADOS Health" in the file
doc/cephfs/troubleshooting.rst. Add a Sphinx directive to the
doc/rados/troubleshooting/index.rst file that directs to the index of
the RADOS troubleshooting documentation.

Signed-off-by: Zac Dover <[email protected]>

Author: zdover23

doc/cephfs/troubleshooting.rst

@@ -216,8 +216,10 @@ RADOS Health
 ============
 
 If part of the CephFS metadata or data pools is unavailable and CephFS is not
-responding, it is probably because RADOS itself is unhealthy. Resolve those
-problems first (:doc:`../../rados/troubleshooting/index`).
+responding, it could indicate that RADOS itself is unhealthy. 
+
+Resolve problems with RADOS before attempting to locate any problems in CephFS.
+See the :ref:`RADOS troubleshooting documentation<rados_troubleshooting>`.
 
 The MDS
 =======

doc/rados/troubleshooting/index.rst

@@ -1,3 +1,5 @@
+.. _rados_troubleshooting:
+
 =================
  Troubleshooting
 =================