ISPN-12344 cannot preload shared remote stores

core/src/main/resources/schema/infinispan-config-12.0.xsd

@@ -1841,7 +1841,7 @@
     </xs:attribute>
     <xs:attribute name="preload" type="xs:boolean" default="${AbstractStore.preload}">
       <xs:annotation>
-        <xs:documentation>If true, when the cache starts, data stored in the cache store will be pre-loaded into memory. This is particularly useful when data in the cache store will be needed immediately after startup and you want to avoid cache operations being delayed as a result of loading this data lazily. Can be used to provide a 'warm-cache' on startup, however there is a performance penalty as startup time is affected by this process.</xs:documentation>
+        <xs:documentation>If true, when the cache starts, data stored in the cache store will be pre-loaded into memory. This is particularly useful when data in the cache store will be needed immediately after startup and you want to avoid cache operations being delayed as a result of loading this data lazily. Can be used to provide a 'warm-cache' on startup, however there is a performance penalty as startup time is affected by this process. Likewise in some cases you cannot pre-load data in caches stores, such as when using shared remote stores.</xs:documentation>
       </xs:annotation>
     </xs:attribute>
     <xs:attribute name="fetch-state" type="xs:boolean" default="${AbstractStore.fetchPersistentState}">

documentation/src/main/asciidoc/topics/ref_cache_store_remote.adoc

@@ -1,12 +1,18 @@
 [id='remote_cache_store']
 = Remote Cache Stores
-Remote cache stores, `RemoteStore`, use a remote {brandname} cluster as storage.
+Remote cache stores, `RemoteStore`, use the Hot Rod protocol to store data on
+{brandname} clusters.
 
-`RemoteStore` uses the Hot Rod protocol to communicate with remote {brandname}
-clusters.
+The following is an example `RemoteStore` configuration that stores data in a
+cache named "mycache" on two {brandname} Server instances, named "one" and
+"two":
 
-In the following configuration examples, `RemoteStore` uses the remote cache
-named "mycache" on {brandname} servers "one" and "two":
+[NOTE]
+====
+If you configure remote cache stores as shared you cannot preload data. In
+other words if `shared="true"` in your configuration then you must set 
+`preload="false"`.
+====
 
 .Declarative configuration