doc: "mds blacklist interval" vs manually blacklisting

The "mds blacklist interval" setting has no effect on the time that
the "ceph osd blacklist" command will use by default. Clarify this in
the docs.

Signed-off-by: Ken Dreyer <kdreyer@redhat.com>

diff --git a/doc/cephfs/mds-config-ref.rst b/doc/cephfs/mds-config-ref.rst
index b597302764e6b26d4e02118aea120b2861dc5bef..cab021a3423e6a2f7e5634e08eaa62513f72d1f4 100644 (file)
--- a/doc/cephfs/mds-config-ref.rst
+++ b/doc/cephfs/mds-config-ref.rst
@@ -97,7 +97,12 @@
 
 ``mds blacklist interval``
 
-:Description: The blacklist duration for failed MDSs in the OSD map.
+:Description: The blacklist duration for failed MDSs in the OSD map. Note,
+              this controls how long failed MDS daemons will stay in the
+              OSDMap blacklist. It has no effect on how long something is
+              blacklisted when the administrator blacklists it manually. For
+              example, ``ceph osd blacklist add`` will still use the default
+              blacklist time.)
 :Type:  Float
 :Default: ``24.0*60.0``