doc/rados/operations: crush_rule is a name

like
```
ceph osd pool set <pool-name> crush_rule <rule-name>
```
where `<rule-name>` is a string instead of a number.

Signed-off-by: Kefu Chai <kchai@redhat.com>
(cherry picked from commit 3ed3de6c964ba998d5b18ceb997d1a6dffe355db)

diff --git a/doc/rados/operations/pools.rst b/doc/rados/operations/pools.rst
index 05dbd436bba27a54aa9a46b7bb5f927ef38696e2..f3e8b9e6aa3626c400764cc97367c4371da9303f 100644 (file)
--- a/doc/rados/operations/pools.rst
+++ b/doc/rados/operations/pools.rst
@@ -350,7 +350,7 @@ You may set values for the following keys:
 ``crush_rule``
 
 :Description: The rule to use for mapping object placement in the cluster.
-:Type: Integer
+:Type: String
 
 .. _allow_ec_overwrites: