diff --git a/asterix-events/src/main/resources/events/backup/backup.sh b/asterix-events/src/main/resources/events/backup/backup.sh
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new mode 100644
diff --git a/asterix-events/src/main/resources/events/cc_failure/cc_failure.sh b/asterix-events/src/main/resources/events/cc_failure/cc_failure.sh
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diff --git a/asterix-events/src/main/resources/events/cc_start/cc_start.sh b/asterix-events/src/main/resources/events/cc_start/cc_start.sh
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diff --git a/asterix-events/src/main/resources/events/file/delete.sh b/asterix-events/src/main/resources/events/file/delete.sh
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diff --git a/asterix-events/src/main/resources/events/file/dir_transfer.sh b/asterix-events/src/main/resources/events/file/dir_transfer.sh
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diff --git a/asterix-events/src/main/resources/events/file/transfer.sh b/asterix-events/src/main/resources/events/file/transfer.sh
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diff --git a/asterix-events/src/main/resources/events/hdfs/delete.sh b/asterix-events/src/main/resources/events/hdfs/delete.sh
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diff --git a/asterix-events/src/main/resources/events/node_failure/nc_failure.sh b/asterix-events/src/main/resources/events/node_failure/nc_failure.sh
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diff --git a/asterix-events/src/main/resources/events/node_info/node_info.sh b/asterix-events/src/main/resources/events/node_info/node_info.sh
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diff --git a/asterix-events/src/main/resources/events/node_join/nc_join.sh b/asterix-events/src/main/resources/events/node_join/nc_join.sh
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diff --git a/asterix-events/src/main/resources/events/node_restart/nc_restart.sh b/asterix-events/src/main/resources/events/node_restart/nc_restart.sh
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diff --git a/asterix-events/src/main/resources/events/restore/restore.sh b/asterix-events/src/main/resources/events/restore/restore.sh
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diff --git a/asterix-events/src/main/resources/schema/cluster.xsd b/asterix-events/src/main/resources/schema/cluster.xsd
index 6a40f71..be7d863 100644
--- a/asterix-events/src/main/resources/schema/cluster.xsd
+++ b/asterix-events/src/main/resources/schema/cluster.xsd
@@ -70,17 +70,11 @@
 			</xs:sequence>
 		</xs:complexType>
 	</xs:element>
-	
-	<xs:element name="substitute_node">
+
+	<xs:element name="substitute_nodes">
 		<xs:complexType>
 			<xs:sequence>
-				<xs:element ref="cl:id" />
-				<xs:element ref="cl:cluster_ip" />
-				<xs:element ref="cl:java_home" minOccurs="0" />
-				<xs:element ref="cl:log_dir" minOccurs="0" />
-				<xs:element ref="cl:txn_log_dir" minOccurs="0" />
-				<xs:element ref="cl:store" minOccurs="0" />
-				<xs:element ref="cl:iodevices" minOccurs="0" />
+				<xs:element ref="cl:node" maxOccurs="unbounded" />
 			</xs:sequence>
 		</xs:complexType>
 	</xs:element>
@@ -99,7 +93,7 @@
 				<xs:element ref="cl:working_dir" />
 				<xs:element ref="cl:master_node" />
 				<xs:element ref="cl:node" maxOccurs="unbounded" />
-				<xs:element ref="cl:substitute_node" maxOccurs="unbounded" />
+				<xs:element ref="cl:substitute_nodes"/>
 			</xs:sequence>
 		</xs:complexType>
 	</xs:element>
diff --git a/asterix-events/src/main/resources/schema/installer-conf.xsd b/asterix-events/src/main/resources/schema/installer-conf.xsd
new file mode 100644
index 0000000..c21fc5b
--- /dev/null
+++ b/asterix-events/src/main/resources/schema/installer-conf.xsd
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:mg="installer" targetNamespace="installer" elementFormDefault="qualified">
+
+<!-- definition of simple types --> 
+<xs:element name="asterix_home" type="xs:string"/>
+<xs:element name="hyracks_home" type="xs:string"/>
+<xs:element name="hdfsurl" type="xs:string"/>
+<xs:element name="server" type="xs:string"/>
+<xs:element name="clientPort" type="xs:integer"/>
+<xs:element name="homeDir" type="xs:string"/>
+<xs:element name="version" type="xs:string"/>
+<xs:element name="url" type="xs:string"/>
+<xs:element name="backupDir" type="xs:string"/>
+<xs:element name="java_home" type="xs:string"/>
+
+<!-- definition of complex elements -->
+<xs:element name="hdfs">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="mg:version"/>
+      <xs:element ref="mg:url"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="backup">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="mg:hdfs" minOccurs="0"/> 
+      <xs:element ref="mg:backupDir"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="zookeeper">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="mg:homeDir"/>
+      <xs:element ref="mg:clientPort"/>
+      <xs:element ref="mg:servers"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="servers">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="mg:java_home"/>
+      <xs:element ref="mg:server" maxOccurs="unbounded"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+<xs:element name="configuration">
+  <xs:complexType>
+    <xs:sequence>
+      <xs:element ref="mg:backup" minOccurs="0"/>
+      <xs:element ref="mg:asterix_home" minOccurs="0"/>
+      <xs:element ref="mg:hyracks_home" minOccurs="0"/>
+      <xs:element ref="mg:hdfsurl" minOccurs="0"/>
+      <xs:element ref="mg:zookeeper"/>
+    </xs:sequence>
+  </xs:complexType>
+</xs:element>
+
+</xs:schema>     
diff --git a/asterix-events/src/main/resources/scripts/execute.sh b/asterix-events/src/main/resources/scripts/execute.sh
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diff --git a/asterix-events/src/main/resources/scripts/prepare.sh b/asterix-events/src/main/resources/scripts/prepare.sh
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