diff --git a/asterix-events/src/main/resources/events/backup/backup.sh b/asterix-events/src/main/resources/events/backup/backup.sh
index e10a4c9..601b81d 100755
--- a/asterix-events/src/main/resources/events/backup/backup.sh
+++ b/asterix-events/src/main/resources/events/backup/backup.sh
@@ -1,35 +1,50 @@
+echo $@ >> ~/backup.log
 WORKING_DIR=$1
 ASTERIX_INSTANCE_NAME=$2
-ASTERIX_DATA_DIR=$3
-BACKUP_ID=$4
-BACKUP_DIR=$5
-BACKUP_TYPE=$6
-NODE_ID=$7
+ASTERIX_IODEVICES=$3
+NODE_STORE=$4
+ASTERIX_ROOT_METADATA_DIR=$5
+BACKUP_ID=$6
+BACKUP_DIR=$7
+BACKUP_TYPE=$8
+NODE_ID=$9
 
-nodeStores=$(echo $ASTERIX_DATA_DIR | tr "," "\n")
+nodeIODevices=$(echo $ASTERIX_IODEVICES | tr "," "\n")
 
 if [ $BACKUP_TYPE == "hdfs" ];
 then
-  HDFS_URL=$8
-  HADOOP_VERSION=$9
+  HDFS_URL=${10}
+  HADOOP_VERSION=${11}
   export HADOOP_HOME=$WORKING_DIR/hadoop-$HADOOP_VERSION
-  for nodeStore in $nodeStores
+  index=1
+  for nodeIODevice in $nodeIODevices
   do
-    MANGLED_DIR_NAME=`echo $nodeStores | tr / _`
+    STORE_DIR=$nodeIODevice/$NODE_STORE
+    MANGLED_DIR_NAME=`echo $STORE_DIR | tr / _`
     NODE_BACKUP_DIR=$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/$MANGLED_DIR_NAME
-    echo "$HADOOP_HOME/bin/hadoop fs -copyFromLocal $nodeStore/$NODE_ID/$ASTERIX_INSTANCE_NAME/ $HDFS_URL/$NODE_BACKUP_DIR/" >> ~/backup.log
-    $HADOOP_HOME/bin/hadoop fs -copyFromLocal $nodeStore/$NODE_ID/$ASTERIX_INSTANCE_NAME/ $HDFS_URL/$NODE_BACKUP_DIR/
+    $HADOOP_HOME/bin/hadoop fs -copyFromLocal $STORE_DIR/ $HDFS_URL/$NODE_BACKUP_DIR/
+    if [ $index -eq 1 ];
+    then
+      $HADOOP_HOME/bin/hadoop fs -copyFromLocal $nodeIODevice/$ASTERIX_ROOT_METADATA_DIR $HDFS_URL/$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/
+    fi
+    index=`expr $index + 1`
   done
 else 
-  for nodeStore in $nodeStores
+  index=1
+  for nodeIODevice in $nodeIODevices
   do
-    MANGLED_DIR_NAME=`echo $nodeStores | tr / _`
+    STORE_DIR=$nodeIODevice/$NODE_STORE
+    MANGLED_DIR_NAME=`echo $STORE_DIR | tr / _`
     NODE_BACKUP_DIR=$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/$MANGLED_DIR_NAME
     if [ ! -d $NODE_BACKUP_DIR ];
     then
       mkdir -p $NODE_BACKUP_DIR
     fi
-    echo "cp -r  $nodeStore/$NODE_ID/$ASTERIX_INSTANCE_NAME/* $NODE_BACKUP_DIR/" >> ~/backup.log
-    cp -r  $nodeStore/$NODE_ID/$ASTERIX_INSTANCE_NAME/* $NODE_BACKUP_DIR/
+    cp -r  $STORE_DIR/* $NODE_BACKUP_DIR/
+    if [ $index -eq 1 ];
+    then
+      cp -r $nodeIODevice/$ASTERIX_ROOT_METADATA_DIR $BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/
+    fi
+    index=`expr $index + 1`
   done
 fi
diff --git a/asterix-events/src/main/resources/events/restore/restore.sh b/asterix-events/src/main/resources/events/restore/restore.sh
index 515efc1..85e3eb3 100755
--- a/asterix-events/src/main/resources/events/restore/restore.sh
+++ b/asterix-events/src/main/resources/events/restore/restore.sh
@@ -1,32 +1,53 @@
 WORKING_DIR=$1
 ASTERIX_INSTANCE_NAME=$2
-ASTERIX_DATA_DIR=$3
-BACKUP_ID=$4
-BACKUP_DIR=$5
-BACKUP_TYPE=$6
-NODE_ID=$7
-HDFS_URL=$8
-HADOOP_VERSION=$9
+ASTERIX_IODEVICES=$3
+NODE_STORE=$4
+ASTERIX_ROOT_METADATA_DIR=$5
+BACKUP_ID=$6
+BACKUP_DIR=$7
+BACKUP_TYPE=$8
+NODE_ID=$9
+HDFS_URL=${10}
+HADOOP_VERSION=${11}
 
 export HADOOP_HOME=$WORKING_DIR/hadoop-$HADOOP_VERSION
-nodeStores=$(echo $ASTERIX_DATA_DIR | tr "," "\n")
+iodevices=$(echo $ASTERIX_IODEVICES | tr "," "\n")
 
-for nodeStore in $nodeStores
+index=1
+for iodevice in $iodevices
 do
-  MANGLED_BACKUP_DIR=`echo $nodeStore | tr / _`
+  MANGLED_BACKUP_DIR=`echo $iodevice | tr / _`
   NODE_BACKUP_DIR=$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/$MANGLED_BACKUP_DIR
-  DEST_DIR=$nodeStore/$NODE_ID/$ASTERIX_INSTANCE_NAME
+  DEST_DIR=$iodevice/$NODE_STORE/
   if [ ! -d $DEST_DIR ]
   then 
     mkdir -p $DEST_DIR
   else 
-    rm -rf $DEST_DIR/*
+    rm -rf $DEST_DIR
   fi
- 
+
+  if [ ! -d $iodevice/$ASTERIX_ROOT_METADATA_DIR ]
+  then
+    mkdir -p $iodevice/$ASTERIX_ROOT_METADATA_DIR
+  else 
+    rm -rf $iodevice/$ASTERIX_ROOT_METADATA_DIR
+  fi 
+
   if [ $BACKUP_TYPE == "hdfs" ];
   then
     $HADOOP_HOME/bin/hadoop fs -copyToLocal $HDFS_URL/$NODE_BACKUP_DIR/*  $DEST_DIR/ 
+    if [ $index -eq 1 ];
+    then
+      $HADOOP_HOME/bin/hadoop fs -copyToLocal $HDFS_URL/$BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/$ASTERIX_ROOT_METADATA_DIR $iodevice/
+    fi
   else
+    echo "cp  -r $NODE_BACKUP_DIR/*  $DEST_DIR/" >> ~/restore.log
     cp  -r $NODE_BACKUP_DIR/*  $DEST_DIR/ 
+    if [ $index -eq 1 ];
+    then
+      echo "cp -r $BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/$ASTERIX_ROOT_METADATA_DIR $iodevice/" >> ~/restore.log
+      cp -r $BACKUP_DIR/$ASTERIX_INSTANCE_NAME/$BACKUP_ID/$NODE_ID/$ASTERIX_ROOT_METADATA_DIR $iodevice/
+    fi
   fi
+  index=`expr $index + 1`
 done
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java
index 603862c..297a168 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/BackupCommand.java
@@ -31,6 +31,8 @@
 
 public class BackupCommand extends AbstractCommand {
 
+    public static final String ASTERIX_ROOT_METADATA_DIR = "asterix_root_metadata";
+
     @Override
     protected void execCommand() throws Exception {
         InstallerDriver.initConfig();
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java
index af472da..56cd345 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/CreateCommand.java
@@ -55,9 +55,6 @@
         JAXBContext ctx = JAXBContext.newInstance(Cluster.class);
         Unmarshaller unmarshaller = ctx.createUnmarshaller();
         cluster = (Cluster) unmarshaller.unmarshal(new File(createConfig.clusterPath));
-        cluster.setWorkingDir(new WorkingDir(cluster.getWorkingDir().getDir() + File.separator + asterixInstanceName,
-                cluster.getWorkingDir().isNFS()));
-        cluster.setLogdir(cluster.getLogdir() + File.separator + asterixInstanceName);
         AsterixInstance asterixInstance = InstallerUtil.createAsterixInstance(asterixInstanceName, cluster);
         InstallerUtil.evaluateConflictWithOtherInstances(asterixInstance);
         InstallerUtil.createAsterixZip(asterixInstance, true);
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerDriver.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerDriver.java
index 321fd1a..3164bd7 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerDriver.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerDriver.java
@@ -131,6 +131,8 @@
         buffer.append("configure" + ":" + " Auto-generate configuration for local psedu-distributed Asterix instance"
                 + "\n");
         buffer.append("shutdown " + ":" + " Shutdown the installer service" + "\n");
+        buffer.append("help     " + ":" + " Provides usage description of a command" + "\n");
+
         LOGGER.info(buffer.toString());
     }
 }
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
index a688abf..2f118c4 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
@@ -68,16 +68,40 @@
         return instance;
     }
 
-    public static void createAsterixZip(AsterixInstance asterixInstance, boolean newDeployment) throws IOException {
+    public static void createAsterixZip(AsterixInstance asterixInstance, boolean newDeployment) throws IOException,
+            InterruptedException {
+
+        String modifiedZipPath = injectAsterixPropertyFile(InstallerDriver.getAsterixZip(), asterixInstance,
+                newDeployment);
+        injectAsterixLogPropertyFile(modifiedZipPath, asterixInstance);
+    }
+
+    private static String injectAsterixPropertyFile(String origZipFile, AsterixInstance asterixInstance,
+            boolean newDeployment) throws IOException {
         writeAsterixConfigurationFile(asterixInstance, newDeployment);
         String asterixInstanceDir = InstallerDriver.getAsterixDir() + File.separator + asterixInstance.getName();
-        unzip(InstallerDriver.getAsterixZip(), asterixInstanceDir);
+        unzip(origZipFile, asterixInstanceDir);
         File sourceJar = new File(asterixInstanceDir + File.separator + "lib" + File.separator + "asterix-app-"
                 + asterixInstance.getAsterixVersion() + ".jar");
+        String asterixPropertyFile = "test.properties";
+        File replacementFile = new File(asterixInstanceDir + File.separator + "test.properties");
+        replaceInJar(sourceJar, asterixPropertyFile, replacementFile);
+        new File(asterixInstanceDir + File.separator + "test.properties").delete();
+        String asterixZipName = InstallerDriver.getAsterixZip().substring(
+                InstallerDriver.getAsterixZip().lastIndexOf(File.separator) + 1);
+        zipDir(new File(asterixInstanceDir), new File(asterixInstanceDir + File.separator + asterixZipName));
+        return asterixInstanceDir + File.separator + asterixZipName;
+    }
 
+    private static String injectAsterixLogPropertyFile(String origZipFile, AsterixInstance asterixInstance)
+            throws IOException {
+        String asterixInstanceDir = InstallerDriver.getAsterixDir() + File.separator + asterixInstance.getName();
+        unzip(origZipFile, asterixInstanceDir);
+        File sourceJar1 = new File(asterixInstanceDir + File.separator + "lib" + File.separator + "asterix-app-"
+                + asterixInstance.getAsterixVersion() + ".jar");
         String txnLogPropertyFile = "log.properties";
         Properties txnLogProperties = new Properties();
-        URLClassLoader urlClassLoader = new URLClassLoader(new URL[] { sourceJar.toURI().toURL() });
+        URLClassLoader urlClassLoader = new URLClassLoader(new URL[] { sourceJar1.toURI().toURL() });
         InputStream in = urlClassLoader.getResourceAsStream(txnLogPropertyFile);
         if (in != null) {
             txnLogProperties.load(in);
@@ -85,20 +109,16 @@
 
         writeAsterixLogConfigurationFile(asterixInstance.getName(), asterixInstance.getCluster(), txnLogProperties);
 
-        String asterixPropertyFile = "test.properties";
-        File replacementFile = new File(asterixInstanceDir + File.separator + "test.properties");
-        replaceInJar(sourceJar, asterixPropertyFile, replacementFile);
+        File sourceJar2 = new File(asterixInstanceDir + File.separator + "lib" + File.separator + "asterix-app-"
+                + asterixInstance.getAsterixVersion() + ".jar");
+        File replacementFile = new File(asterixInstanceDir + File.separator + "log.properties");
+        replaceInJar(sourceJar2, txnLogPropertyFile, replacementFile);
 
-        replacementFile = new File(asterixInstanceDir + File.separator + "log.properties");
-        replaceInJar(sourceJar, txnLogPropertyFile, replacementFile);
-
-        new File(asterixInstanceDir + File.separator + "test.properties").delete();
         new File(asterixInstanceDir + File.separator + "log.properties").delete();
-
         String asterixZipName = InstallerDriver.getAsterixZip().substring(
                 InstallerDriver.getAsterixZip().lastIndexOf(File.separator) + 1);
         zipDir(new File(asterixInstanceDir), new File(asterixInstanceDir + File.separator + asterixZipName));
-
+        return asterixInstanceDir + File.separator + asterixZipName;
     }
 
     public static void addLibraryToAsterixZip(AsterixInstance asterixInstance, String dataverseName,
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/events/PatternCreator.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/events/PatternCreator.java
index 887ebda..61f0d27 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/events/PatternCreator.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/events/PatternCreator.java
@@ -29,6 +29,7 @@
 import edu.uci.ics.asterix.event.schema.pattern.Pattern;
 import edu.uci.ics.asterix.event.schema.pattern.Patterns;
 import edu.uci.ics.asterix.event.schema.pattern.Value;
+import edu.uci.ics.asterix.installer.command.BackupCommand;
 import edu.uci.ics.asterix.installer.command.StopCommand;
 import edu.uci.ics.asterix.installer.driver.InstallerDriver;
 import edu.uci.ics.asterix.installer.error.VerificationUtil;
@@ -133,21 +134,23 @@
 
     private Patterns getHDFSBackUpAsterixPattern(AsterixInstance instance, Backup backupConf) throws Exception {
         Cluster cluster = instance.getCluster();
-        String clusterStore = instance.getCluster().getStore();
         String hdfsUrl = backupConf.getHdfs().getUrl();
         String hadoopVersion = backupConf.getHdfs().getVersion();
         String hdfsBackupDir = backupConf.getBackupDir();
         VerificationUtil.verifyBackupRestoreConfiguration(hdfsUrl, hadoopVersion, hdfsBackupDir);
         String workingDir = cluster.getWorkingDir().getDir();
         String backupId = "" + instance.getBackupInfo().size();
-        String nodeStore;
+        String store;
         String pargs;
+        String iodevices;
         List<Pattern> patternList = new ArrayList<Pattern>();
         for (Node node : cluster.getNode()) {
             Nodeid nodeid = new Nodeid(new Value(null, node.getId()));
-            nodeStore = node.getStore() == null ? clusterStore : node.getStore();
-            pargs = workingDir + " " + instance.getName() + " " + nodeStore + " " + backupId + " " + hdfsBackupDir
-                    + " " + "hdfs" + " " + node.getId() + " " + hdfsUrl + " " + hadoopVersion;
+            iodevices = node.getIodevices() == null ? instance.getCluster().getIodevices() : node.getIodevices();
+            store = node.getStore() == null ? cluster.getStore() : node.getStore();
+            pargs = workingDir + " " + instance.getName() + " " + iodevices + " " + store + " "
+                    + BackupCommand.ASTERIX_ROOT_METADATA_DIR + " " + backupId + " " + hdfsBackupDir + " " + "hdfs"
+                    + " " + node.getId() + " " + hdfsUrl + " " + hadoopVersion;
             Event event = new Event("backup", nodeid, pargs);
             patternList.add(new Pattern(null, 1, null, event));
         }
@@ -156,18 +159,20 @@
 
     private Patterns getLocalBackUpAsterixPattern(AsterixInstance instance, Backup backupConf) throws Exception {
         Cluster cluster = instance.getCluster();
-        String clusterStore = instance.getCluster().getStore();
         String backupDir = backupConf.getBackupDir();
         String workingDir = cluster.getWorkingDir().getDir();
         String backupId = "" + instance.getBackupInfo().size();
-        String nodeStore;
+        String iodevices;
+        String store;
         String pargs;
         List<Pattern> patternList = new ArrayList<Pattern>();
         for (Node node : cluster.getNode()) {
             Nodeid nodeid = new Nodeid(new Value(null, node.getId()));
-            nodeStore = node.getStore() == null ? clusterStore : node.getStore();
-            pargs = workingDir + " " + instance.getName() + " " + nodeStore + " " + backupId + " " + backupDir + " "
-                    + "local" + " " + node.getId();
+            iodevices = node.getIodevices() == null ? instance.getCluster().getIodevices() : node.getIodevices();
+            store = node.getStore() == null ? cluster.getStore() : node.getStore();
+            pargs = workingDir + " " + instance.getName() + " " + iodevices + " " + store + " "
+                    + BackupCommand.ASTERIX_ROOT_METADATA_DIR + " " + backupId + " " + backupDir + " " + "local" + " "
+                    + node.getId();
             Event event = new Event("backup", nodeid, pargs);
             patternList.add(new Pattern(null, 1, null, event));
         }
@@ -188,9 +193,11 @@
         List<Pattern> patternList = new ArrayList<Pattern>();
         for (Node node : cluster.getNode()) {
             Nodeid nodeid = new Nodeid(new Value(null, node.getId()));
+            String iodevices = node.getIodevices() == null ? cluster.getIodevices() : node.getIodevices();
             nodeStore = node.getStore() == null ? clusterStore : node.getStore();
-            pargs = workingDir + " " + instance.getName() + " " + nodeStore + " " + backupId + " " + hdfsBackupDir
-                    + " " + "hdfs" + " " + node.getId() + " " + hdfsUrl + " " + hadoopVersion;
+            pargs = workingDir + " " + instance.getName() + " " + iodevices + " " + nodeStore + " "
+                    + BackupCommand.ASTERIX_ROOT_METADATA_DIR + " " + backupId + " " + " " + hdfsBackupDir + " "
+                    + "hdfs" + " " + node.getId() + " " + hdfsUrl + " " + hadoopVersion;
             Event event = new Event("restore", nodeid, pargs);
             patternList.add(new Pattern(null, 1, null, event));
         }
@@ -208,9 +215,11 @@
         List<Pattern> patternList = new ArrayList<Pattern>();
         for (Node node : cluster.getNode()) {
             Nodeid nodeid = new Nodeid(new Value(null, node.getId()));
+            String iodevices = node.getIodevices() == null ? cluster.getIodevices() : node.getIodevices();
             nodeStore = node.getStore() == null ? clusterStore : node.getStore();
-            pargs = workingDir + " " + instance.getName() + " " + nodeStore + " " + backupId + " " + backupDir + " "
-                    + "local" + " " + node.getId();
+            pargs = workingDir + " " + instance.getName() + " " + iodevices + " " + nodeStore + " "
+                    + BackupCommand.ASTERIX_ROOT_METADATA_DIR + " " + backupId + " " + backupDir + " " + "local" + " "
+                    + node.getId();
             Event event = new Event("restore", nodeid, pargs);
             patternList.add(new Pattern(null, 1, null, event));
         }