diff --git a/interface/ri_data.py b/interface/ri_data.py
index 3ce1626..ae946df 100644
--- a/interface/ri_data.py
+++ b/interface/ri_data.py
@@ -4,6 +4,7 @@ import re
 import commands
 from xml.dom import minidom
 from xml.dom.ext import PrettyPrint
+from ri_tk_cmd import raid_calc_size
 
 # xml file names
 install_xml = '../xml/install.xml'
@@ -114,14 +115,16 @@ class Partition:
                     flg_i= s.find('Flags')
                     if tp_i < 0: tp_i=fs_i
                     located = True
+                    continue
 
                 if located:
                     Partition(d+s[nm_i:st_i].strip(),  # device name
-                              s[st_i:end_i].strip(),   # start
+                              s[st_i:end_i].strip().rstrip(Partition.unit),   # start 
                               s[sz_i:tp_i].strip().rstrip(Partition.unit), # size
                               s[tp_i:fs_i].strip(),      # type
                               re.search('swap', s[fs_i:flg_i]) and 'swap' or s[fs_i:flg_i].strip(),  # file system
-                              s[flg_i:].strip()                # flags
+                              re.search('raid',s[flg_i:]) and 'yes' or 'no'                # flags
+                              "yes"                                                      #from os
                               )
     
     @staticmethod
@@ -148,7 +151,7 @@ p_node - xml node (parent node)'''
         unit_attr = doc.createAttribute('unit')
         unit_attr.value = Partition.unit
         pts.setAttributeNode(unit_attr)
-        for p in Partition.list:
+        for p in Partition.dict.values():
             pt = doc.createElement('partition')
             dev_attr             = doc.createAttribute('device')
             start_attr           = doc.createAttribute('start')
@@ -252,7 +255,7 @@ l    - list
 doc - xml document instance
 p_node - xml node (parent node) '''
         raids = doc.createElement('raids')
-        for r in Raid.list:
+        for r in Raid.dict.values():
             rd = doc.createElement('raid')
 
             rd_dev_attr = doc.createAttribute('device')
@@ -289,8 +292,9 @@ p_node - xml node (parent node) '''
 		#ri_tk_cmd.py use
     @staticmethod
     def get_size(dev):
-        # need fill
-        pass
+        active=Raid.dict[dev].active
+        level=Raid.dict[dev].level
+        return raid_calc_size(level,active)
 
     @staticmethod
     def get_next_device():
@@ -366,7 +370,7 @@ class MountPoint:
 doc - xml document instance
 p_node - xml node (parent node)'''
         mps = doc.createElement('mount-points')
-        for m in MountPoint.list:
+        for m in MountPoint.dict.values():
             mp = doc.createElement('mount-point')
             dev_attr = doc.createAttribute('device')
             dir_attr = doc.createAttribute('directory')