diff --git a/framework/jobs/src/main/java/org/apache/cloudstack/framework/jobs/impl/AsyncJobManagerImpl.java b/framework/jobs/src/main/java/org/apache/cloudstack/framework/jobs/impl/AsyncJobManagerImpl.java
index 85ea0245d77..b85780508f8 100644
--- a/framework/jobs/src/main/java/org/apache/cloudstack/framework/jobs/impl/AsyncJobManagerImpl.java
+++ b/framework/jobs/src/main/java/org/apache/cloudstack/framework/jobs/impl/AsyncJobManagerImpl.java
@@ -49,6 +49,7 @@ import org.apache.cloudstack.framework.jobs.AsyncJobDispatcher;
 import org.apache.cloudstack.framework.jobs.AsyncJobExecutionContext;
 import org.apache.cloudstack.framework.jobs.AsyncJobManager;
 import org.apache.cloudstack.framework.jobs.dao.AsyncJobDao;
+import org.apache.cloudstack.framework.jobs.dao.VmWorkJobDao;
 import org.apache.cloudstack.framework.jobs.dao.AsyncJobJoinMapDao;
 import org.apache.cloudstack.framework.jobs.dao.AsyncJobJournalDao;
 import org.apache.cloudstack.framework.jobs.dao.SyncQueueItemDao;
@@ -131,6 +132,8 @@ public class AsyncJobManagerImpl extends ManagerBase implements AsyncJobManager,
     @Inject
     private VMInstanceDao _vmInstanceDao;
     @Inject
+    private VmWorkJobDao _vmWorkJobDao;
+    @Inject
     private VolumeDetailsDao _volumeDetailsDao;
     @Inject
     private VolumeDao _volsDao;
@@ -898,6 +901,9 @@ public class AsyncJobManagerImpl extends ManagerBase implements AsyncJobManager,
         Transaction.execute(new TransactionCallbackNoReturn() {
             @Override
             public void doInTransactionWithoutResult(TransactionStatus status) {
+                if ("VmWork".equals(job.getType())) {
+                    _vmWorkJobDao.expunge(job.getId());
+                }
                 _jobDao.expunge(job.getId());
                 // purge corresponding sync queue item
                 _queueMgr.purgeAsyncJobQueueItemId(job.getId());
diff --git a/ui/scripts/storage.js b/ui/scripts/storage.js
index 6cb45faf1e8..a30ac60f78d 100644
--- a/ui/scripts/storage.js
+++ b/ui/scripts/storage.js
@@ -1702,13 +1702,13 @@
                                     if (newDiskOffering != null && newDiskOffering.length > 0) {
                                         array1.push("&diskofferingid=" + encodeURIComponent(newDiskOffering));
                                     }
-                                    if (selectedDiskOfferingObj.iscustomized == true) {
+                                    if (args.context.volumes[0].type == "ROOT" || selectedDiskOfferingObj.iscustomized == true) {
                                         cloudStack.addNewSizeToCommandUrlParameterArrayIfItIsNotNullAndHigherThanZero(array1, args.data.newsize);
                                     }
 
                                     var minIops;
                                     var maxIops
-                                    if (selectedDiskOfferingObj.iscustomizediops == true) {
+                                    if (selectedDiskOfferingObj != null && selectedDiskOfferingObj.iscustomizediops == true) {
                                         minIops = args.data.minIops;
                                         maxIops = args.data.maxIops;
                                     }
@@ -1720,13 +1720,12 @@
                                     if (maxIops != null && maxIops.length > 0) {
                                         array1.push("&maxiops=" + encodeURIComponent(maxIops));
                                     }
-                                    //if original disk size  > new disk size
-                                    if ((args.context.volumes[0].type == "ROOT")
-                                    && (args.context.volumes[0].size > (newSize * (1024 * 1024 * 1024)))) {
+                                    //if original disk size > new disk size
+                                    if (args.context.volumes[0].type == "ROOT" &&
+                                        args.context.volumes[0].size > (args.data.newsize * (1024 * 1024 * 1024))) {
                                         return args.response.error('message.volume.root.shrink.disk.size');
                                     }
 
-
                                     $.ajax({
                                         url: createURL("resizeVolume&id=" + args.context.volumes[0].id + array1.join("")),
                                         dataType: "json",