diff --git a/agent-simulator/src/com/cloud/agent/manager/MockStorageManagerImpl.java b/agent-simulator/src/com/cloud/agent/manager/MockStorageManagerImpl.java
index 361f029cc9d..1b6fc1811e9 100644
--- a/agent-simulator/src/com/cloud/agent/manager/MockStorageManagerImpl.java
+++ b/agent-simulator/src/com/cloud/agent/manager/MockStorageManagerImpl.java
@@ -588,10 +588,10 @@ public class MockStorageManagerImpl implements MockStorageManager {
 					return new GetStorageStatsAnswer(cmd, "Can't find the secondary storage:" + secUrl);
 				}
 				Long totalUsed = _mockVolumeDao.findTotalStorageId(secondary.getId());
+				txn.commit();
 				return new GetStorageStatsAnswer(cmd, secondary.getCapacity(), totalUsed);
 			} else {
 				MockStoragePoolVO pool = _mockStoragePoolDao.findByUuid(uuid);
-				txn.commit();
 				if (pool == null) {
 					return new GetStorageStatsAnswer(cmd, "Can't find the pool");
 				}
@@ -599,6 +599,7 @@ public class MockStorageManagerImpl implements MockStorageManager {
 				if (totalUsed == null) {
 					totalUsed = 0L;
 				}
+				txn.commit();
 				return new GetStorageStatsAnswer(cmd, pool.getCapacity(), totalUsed);
 			}
 		} catch (Exception ex) {
diff --git a/agent-simulator/src/com/cloud/agent/manager/SimulatorManagerImpl.java b/agent-simulator/src/com/cloud/agent/manager/SimulatorManagerImpl.java
index b848b00d58c..4b3e5eb7961 100644
--- a/agent-simulator/src/com/cloud/agent/manager/SimulatorManagerImpl.java
+++ b/agent-simulator/src/com/cloud/agent/manager/SimulatorManagerImpl.java
@@ -149,7 +149,7 @@ public class SimulatorManagerImpl implements SimulatorManager {
     @DB
     @Override
     public Answer simulate(Command cmd, String hostGuid) {
-        Transaction txn = Transaction.currentTxn();
+        Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
         txn.transitToUserManagedConnection(_concierge.conn());
         
         try {