diff --git a/core/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java b/core/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
index 47051936fdf..7ec6c2b4462 100755
--- a/core/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
+++ b/core/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
@@ -1996,9 +1996,12 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         }
 
         StorageFilerTO pool = cmd.getPool();
-        try {
-            VmwareHypervisorHost hyperHost = this.getHyperHost(getServiceContext());
-            hyperHost.unmountDatastore(pool.getUuid());
+        try {
+        	// We will leave datastore cleanup management to vCenter. Since for cluster VMFS datastore, it will always
+        	// be mounted by vCenter.
+        	
+            // VmwareHypervisorHost hyperHost = this.getHyperHost(getServiceContext());
+            // hyperHost.unmountDatastore(pool.getUuid());
             Answer answer = new Answer(cmd, true, "success");
             return answer;
         } catch (Throwable e) {
@@ -2599,7 +2602,12 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
                     
                     if (s_logger.isInfoEnabled())
                         s_logger.info("Destroy volume by original name: " + cmd.getVolume().getPath() + ".vmdk");
-                    dsMo.deleteFile(cmd.getVolume().getPath() + ".vmdk", morDc, true);
+                    dsMo.deleteFile(cmd.getVolume().getPath() + ".vmdk", morDc, true);
+                    
+                    // root volume may be created via linked-clone, delete the delta disk as well
+                    if (s_logger.isInfoEnabled())
+                    	s_logger.info("Destroy volume by derived name: " + cmd.getVolume().getPath() + "-delta.vmdk");
+                    dsMo.deleteFile(cmd.getVolume().getPath() + "-delta.vmdk", morDc, true);
                     return new Answer(cmd, true, "Success");
                 }
 
@@ -2634,13 +2642,23 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
                     if (s_logger.isInfoEnabled()) {
                         s_logger.info("Empty disk chain info, fall back to try to delete by original backing file name");
                     }
-                    dsMo.deleteFile(cmd.getVolume().getPath() + ".vmdk", morDc, true);
+                    dsMo.deleteFile(cmd.getVolume().getPath() + ".vmdk", morDc, true);
+                    
+                    if (s_logger.isInfoEnabled()) {
+                    	s_logger.info("Destroy volume by derived name: " + cmd.getVolume().getPath() + "-flat.vmdk");
+                    }
+                    dsMo.deleteFile(cmd.getVolume().getPath() + "-flat.vmdk", morDc, true);
                 }
             } else {
                 if (s_logger.isInfoEnabled()) {
                     s_logger.info("Destroy volume by original name: " + cmd.getVolume().getPath() + ".vmdk");
                 }
-                dsMo.deleteFile(cmd.getVolume().getPath() + ".vmdk", morDc, true);
+                dsMo.deleteFile(cmd.getVolume().getPath() + ".vmdk", morDc, true);
+                
+                if (s_logger.isInfoEnabled()) {
+                	s_logger.info("Destroy volume by derived name: " + cmd.getVolume().getPath() + "-flat.vmdk");
+                }
+                dsMo.deleteFile(cmd.getVolume().getPath() + "-flat.vmdk", morDc, true);
             }
 
             return new Answer(cmd, true, "Success");
diff --git a/server/.classpath b/server/.classpath
index a4df474268d..77a010dd9da 100644
--- a/server/.classpath
+++ b/server/.classpath
@@ -9,5 +9,6 @@
 	<classpathentry combineaccessrules="false" kind="src" path="/deps"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/tools"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/vmware-base"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/agent"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>