docs: document "osd recovery max single start" setting

Fixes: http://tracker.ceph.com/issues/17396
Signed-off-by: Ken Dreyer <kdreyer@redhat.com>

diff --git a/doc/rados/configuration/osd-config-ref.rst b/doc/rados/configuration/osd-config-ref.rst
index 5679c0caeebcabfab587296ec4452df0b9bf727f..e404bd8d469d035942330844968df9c650cd3b64 100644 (file)
--- a/doc/rados/configuration/osd-config-ref.rst
+++ b/doc/rados/configuration/osd-config-ref.rst
@@ -664,6 +664,14 @@ perform well in a degraded state.
 :Default: ``8 << 20`` 
 
 
+``osd recovery max single start``
+
+:Description: The maximum number of recovery operations per OSD that will be
+              newly started when an OSD is recovering.
+:Type: 64-bit Integer Unsigned
+:Default: ``1``
+
+
 ``osd recovery thread timeout`` 
 
 :Description: The maximum time in seconds before timing out a recovery thread.