diff --git a/pym/install/variables/autopartition.py b/pym/install/variables/autopartition.py
index f3928d0..56f767f 100644
--- a/pym/install/variables/autopartition.py
+++ b/pym/install/variables/autopartition.py
@@ -279,14 +279,17 @@ class VariableClAutopartitionDevice(AutopartitionHelper, Variable):
             if not valuelist:
                 raise VariableError(
                     _("For autopartition, please select the device"))
+
             useDisks = set(traverse(x.split(',') for x in self.Select(
                     'os_disk_parent', where='os_disk_mount', ne='')))
-            selected_raid_devices = self.Get('cl_autopartition_raid_parent')
-            for value in chain(valuelist, selected_raid_devices):
-                if value in useDisks:
-                    raise VariableError(
-                        _("Device %s is already in use by the current "
-                          "system") % value)
+            for value in chain(valuelist):
+                for disk in set(chain(self.select(
+                        'os_device_parent', os_device_dev=value,
+                        limit=1).split(","), [value])):
+                    if disk in useDisks:
+                        raise VariableError(
+                            _("Device %s is already in use by the current "
+                              "system") % value)
             self.checkSelectedRaid(valuelist)
             self.checkOnSelectParentAndChild(valuelist)
             self.checkOnLvm(valuelist)
diff --git a/pym/install/wsdl_install.py b/pym/install/wsdl_install.py
index 96501e4..b161bd9 100644
--- a/pym/install/wsdl_install.py
+++ b/pym/install/wsdl_install.py
@@ -26,6 +26,7 @@ setLocalTranslate('cl_install3', sys.modules[__name__])
 __ = getLazyLocalTranslate(_)
 
 from calculate.core.server.func import WsdlBase
+from calculate.lib.utils.partition import VolumesError
 from calculate.install.utils.cl_install import ClInstallAction
 from calculate.install.utils.cl_setup import (
     ClSetupLocaleAction, ClSetupVideoAction, ClSetupSystemAction,
@@ -56,7 +57,7 @@ class Wsdl(WsdlBase):
         'action': ClInstallAction,
         # объект переменных
         'datavars': "install",
-        'native_error': (VariableError, DistributiveError,
+        'native_error': (VariableError, DistributiveError, VolumesError,
                          DataVarsError, install.InstallError),
         # значения по умолчанию для переменных этого метода
         'setvars': {'cl_action!': 'system', 'cl_install_type': 'hdd',
@@ -148,7 +149,7 @@ class Wsdl(WsdlBase):
             'logic': {'Install': install.Install},
             'action': ClInstallAction,
             'datavars': "install",
-            'native_error': (VariableError, DistributiveError,
+            'native_error': (VariableError, DistributiveError, VolumesError,
                              DataVarsError, install.InstallError),
             'setvars': {'cl_action!': 'system', 'cl_install_type': 'flash',
                         'cl_protect_use_set!': 'off',