[PATCH v2 6/6] doc: Clarify documentation of reweight command.

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This caused some discussions on the mailing list, so let's try to be clear
about the meaning of an OSD weight.

Signed-Off-By: Andre Noll <maan@xxxxxxxxxxxxxxx>
---
 doc/control.rst |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/doc/control.rst b/doc/control.rst
index 2c69ddc..133e0ac 100644
--- a/doc/control.rst
+++ b/doc/control.rst
@@ -152,7 +152,9 @@ resending pending requests. ::
 
 	$ ceph osd reweight N W
 
-Sets the weight of osdN to W. ::
+Set the weight of osdN to W. Two OSDs with the same weight will receive
+roughly the same number of I/O requests and store approximately the
+same amount of data. ::
 
 	$ ceph osd reweight-by-utilization [threshold]
 
-- 
1.7.8.rc1.14.g248db

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