adding test-reweight-by-utilization documentation

Signed-off-by: Etienne Menguy <etienne.menguy@corp.ovh.com>

diff --git a/doc/rados/operations/control.rst b/doc/rados/operations/control.rst
index 0b39c4c37691a9b1e70cbc3210ed18ce90017319..3970e2130b716cb7a735d7debb258392ba0bf2a7 100644 (file)
--- a/doc/rados/operations/control.rst
+++ b/doc/rados/operations/control.rst
@@ -220,6 +220,10 @@ threshold it will use that percentage instead. ::
 
        ceph osd reweight-by-utilization [threshold]
 
+Describes what reweight-by-utilization would do. ::
+
+    ceph osd test-reweight-by-utilization
+
 Adds/removes the address to/from the blacklist. When adding an address,
 you can specify how long it should be blacklisted in seconds; otherwise,
 it will default to 1 hour. A blacklisted address is prevented from