Merge pull request #57648 from zdover23/wip-doc-2024-05-23-backport-5…

…7633-to-quincy

quincy: doc: clarify use of location: in host spec

Reviewed-by: Anthony D'Atri <anthony.datri@gmail.com>
Reviewed-by: Adam King <adking@redhat.com>

doc/cephadm/host-management.rst

@@ -311,14 +311,18 @@ Setting the initial CRUSH location of host
 ==========================================
 
 Hosts can contain a ``location`` identifier which will instruct cephadm to 
-create a new CRUSH host located in the specified hierarchy.
+create a new CRUSH host bucket located in the specified hierarchy.
+You can specify more than one element of the tree when doing so (for
+instance if you want to ensure that the rack that a host is being
+added to is also added to the default bucket), for example:
 
 .. code-block:: yaml
 
     service_type: host
     hostname: node-00
     addr: 192.168.0.10
     location:
+      root: default
       rack: rack1
 
 .. note::