Ignore non-managed pools for storage pool access preparation (#9376)

Author: sureshanaparti

server/src/main/java/com/cloud/storage/StorageManagerImpl.java

@@ -2788,14 +2788,10 @@ public boolean canHostAccessStoragePool(Host host, StoragePool pool) {
 
     @Override
     public boolean canHostPrepareStoragePoolAccess(Host host, StoragePool pool) {
-        if (host == null || pool == null) {
+        if (host == null || pool == null || !pool.isManaged()) {
             return false;
         }
 
-        if (!pool.isManaged()) {
-            return true;
-        }
-
         DataStoreProvider storeProvider = _dataStoreProviderMgr.getDataStoreProvider(pool.getStorageProviderName());
         DataStoreDriver storeDriver = storeProvider.getDataStoreDriver();
         return storeDriver instanceof PrimaryDataStoreDriver && ((PrimaryDataStoreDriver)storeDriver).canHostPrepareStoragePoolAccess(host, pool);