diff --git a/pym/cl_fill_install.py b/pym/cl_fill_install.py
index 1fe1819..f577577 100644
--- a/pym/cl_fill_install.py
+++ b/pym/cl_fill_install.py
@@ -298,8 +298,6 @@ class fillVars(object, glob_attr):
         disk_hash = {}
 
         fstab = FStab('/etc/fstab')
-        distrRep = DistributiveRepository()
-        osProberHash = getOsProberHash(getContentFunc=distrRep._getfromcontent)
         raidUsedDisks = []
         lvmUsedDisks = []
         for disk in new_disks:
@@ -321,19 +319,6 @@ class fillVars(object, glob_attr):
             dev_hash['part'] = getPartitionType(props)
             dev_hash['options'] = fstab.getBy(what=fstab.OPTS,eq=devName) or ""
             dev_hash['size'] = getPartitionSize(disk)
-            dev_hash['content'] = osProberHash.get(devName,'')
-            if not dev_hash['content'] and ((devParent in devicesHash and \
-                devicesHash[devParent]['type'] == "flash") or 
-                "cdrom" in dev_hash['type']):
-                dataInfo = distrRep._getfromcontent(devName)
-                if "build" in dataInfo and dataInfo['build']:
-                    if "cdrom" in dev_hash['type']:
-                        dataInfo['livetype'] = "cd"
-                    else:
-                        dataInfo['livetype'] = "usb"
-                    dev_hash['content'] = \
-                        "{name}-{march}-{build} live{livetype}".format(
-                            **dataInfo)
             if devParent in devicesHash and 'ID_PART_ENTRY_NUMBER' in props:
                 dev_hash['grub'] = "%s,%d"%(devicesHash[devParent]['map'],
                                     int(props['ID_PART_ENTRY_NUMBER'])-1)
@@ -511,15 +496,36 @@ class fillVars(object, glob_attr):
 
     def get_os_disk_content(self):
         """Partition content"""
-        return map(lambda x: x[1] if x[0] != '/' else
-                   "{short}-{march}{build}".format(
-                   short=self.Get('os_linux_shortname'),
-                   march=self.Get('os_arch_machine'),
-                   build="-%s"%(self.Get('os_linux_build') if
-                         self.Get('os_linux_build') else
-                         self.Get('os_linux_ver'))),
-               zip(self.Get('os_disk_mount'),
-               self.getAttributeFromHash('os_disk_hash','content')))
+        distrRep = DistributiveRepository()
+        osProberHash = getOsProberHash(getContentFunc=distrRep._getfromcontent)
+        devicesHash = self.Get('os_device_hash')
+        def detectContent(devName,devType,devParent,mountPoint):
+            if mountPoint == '/':
+               return "{short}-{march}{build}".format(
+                       short=self.Get('os_linux_shortname'),
+                       march=self.Get('os_arch_machine'),
+                       build="-%s"%(self.Get('os_linux_build') if
+                             self.Get('os_linux_build') else
+                             self.Get('os_linux_ver')))
+            content = osProberHash.get(devName,'')
+            if not content and ((devParent in devicesHash and \
+                devicesHash[devParent]['type'] == "flash") or 
+                "cdrom" in devType):
+                dataInfo = distrRep._getfromcontent(devName)
+                if "build" in dataInfo and dataInfo['build']:
+                    if "cdrom" in devType:
+                        dataInfo['livetype'] = "cd"
+                    else:
+                        dataInfo['livetype'] = "usb"
+                    content = \
+                        "{name}-{march}-{build} live{livetype}".format(
+                            **dataInfo)
+            return content
+        return map(lambda x:detectContent(x[0],x[1],x[2],x[3]),
+               zip(self.Get('os_disk_dev'),
+                   self.Get('os_disk_type'),
+                   self.getAttributeFromHash('os_disk_hash','parent'),
+                   self.Get('os_disk_mount')))
 
     def get_os_disk_name(self):
         """Label of partitions"""