diff --git a/aif.xsd b/aif.xsd
index 0eb5f22..2d4d287 100644
--- a/aif.xsd
+++ b/aif.xsd
@@ -466,23 +466,23 @@
                                                 <xs:attribute name="name" type="aif:t_nonempty" use="required"/>
                                             </xs:complexType>
                                             <xs:unique name="uniq_vg_tags">
-                                                <xs:selector xpath="tags"/>
+                                                <xs:selector xpath="aif:tags"/>
                                                 <xs:field xpath="tag"/>
                                             </xs:unique>
                                         </xs:element>
                                     </xs:sequence>
                                 </xs:complexType>
                                 <xs:unique name="uniq_vg_names">
-                                    <xs:selector xpath="volumeGroup"/>
+                                    <xs:selector xpath="aif:volumeGroup"/>
                                     <xs:field xpath="@name"/>
                                 </xs:unique>
                                 <!-- ??? doesn't seem to work. -->
                                 <xs:unique name="uniq_vg_lv">
-                                    <xs:selector xpath="volumeGroup/logicalVolumes/lv"/>
+                                    <xs:selector xpath=".//aif:lv"/>
                                     <xs:field xpath="@name"/>
                                 </xs:unique>
                                 <xs:unique name="uniq_vg_pv">
-                                    <xs:selector xpath="pv"/>
+                                    <xs:selector xpath=".//aif:pv"/>
                                     <xs:field xpath="@source"/>
                                 </xs:unique>
                             </xs:element>
@@ -518,7 +518,7 @@
                                     </xs:sequence>
                                 </xs:complexType>
                                 <xs:unique name="uniq_array_name">
-                                    <xs:selector xpath="array"/>
+                                    <xs:selector xpath="aif:array"/>
                                     <xs:field xpath="@name"/>
                                 </xs:unique>
                             </xs:element>
@@ -586,11 +586,11 @@
                                                 </xs:sequence>
                                             </xs:complexType>
                                             <xs:unique name="uniq_ip4">
-                                                <xs:selector xpath="ipv4"/>
+                                                <xs:selector xpath="aif:ipv4"/>
                                                 <xs:field xpath="address"/>
                                             </xs:unique>
                                             <xs:unique name="uniq_ip6">
-                                                <xs:selector xpath="ipv6"/>
+                                                <xs:selector xpath="aif:ipv6"/>
                                                 <xs:field xpath="address"/>
                                             </xs:unique>
                                         </xs:element>
@@ -606,7 +606,7 @@
                                     <xs:attribute name="device" type="aif:t_iface" use="required"/>
                                 </xs:complexType>
                                 <xs:unique name="uniq_resolver">
-                                    <xs:selector xpath="resolvers"/>
+                                    <xs:selector xpath="aif:resolvers"/>
                                     <xs:field xpath="resolver"/>
                                 </xs:unique>
                             </xs:element>
diff --git a/aif/config.py b/aif/config.py
index f84bd69..5c66c5f 100644
--- a/aif/config.py
+++ b/aif/config.py
@@ -146,7 +146,7 @@ class LocalFile(Config):
     def __init__(self, path, xsd_path = None, *args, **kwargs):
         super().__init__(xsd_path = xsd_path, *args, **kwargs)
         self.type = 'local'
-        self.source = _patterns['local'].search(path).group('path')
+        self.source = path
 
     def fetch(self):
         self.source = os.path.realpath(self.source)
diff --git a/aif/disk/__init__.py b/aif/disk/__init__.py
index e7de234..f65e5eb 100644
--- a/aif/disk/__init__.py
+++ b/aif/disk/__init__.py
@@ -2,4 +2,4 @@ from . import block
 from . import filesystem
 from . import luks
 from . import lvm
-from . import mdadm
\ No newline at end of file
+from . import mdadm
diff --git a/aif/disk/filesystem.py b/aif/disk/filesystem.py
index 0e58c19..b614ebb 100644
--- a/aif/disk/filesystem.py
+++ b/aif/disk/filesystem.py
@@ -4,10 +4,10 @@ import subprocess
 ##
 import psutil
 ##
-from aif.disk.block import Partition
-from aif.disk.luks import LUKS
-from aif.disk.lvm import LV as LVMVolume
-from aif.disk.mdadm import Array as MDArray
+import aif.disk.block
+import aif.disk.luks
+import aif.disk.lvm
+import aif.disk.mdadm
 
 # I wish there was a better way of doing this.
 # https://unix.stackexchange.com/a/98680
@@ -44,7 +44,11 @@ for i in os.listdir(_mod_dir):
 class FS(object):
     def __init__(self, fs_xml, sourceobj):
         self.xml = fs_xml
-        if not isinstance(sourceobj, (Partition, LUKS, LVMVolume, MDArray)):
+        if not isinstance(sourceobj, (aif.disk.block.Disk,
+                                      aif.disk.block.Partition,
+                                      aif.disk.luks.LUKS,
+                                      aif.disk.lvm.LV,
+                                      aif.disk.mdadm.Array)):
             raise ValueError(('sourceobj must be of type '
                               'aif.disk.block.Partition, '
                               'aif.disk.luks.LUKS, '
diff --git a/aif/disk/luks.py b/aif/disk/luks.py
index 946ea73..9670f13 100644
--- a/aif/disk/luks.py
+++ b/aif/disk/luks.py
@@ -1,6 +1,7 @@
-from aif.disk.block import Disk, Partition
-from aif.disk.lvm import LV
-from aif.disk.mdadm import Array
+import aif.disk.block
+import aif.disk.lvm
+import aif.disk.mdadm
+
 
 class LUKS(object):
     def __init__(self, partobj):
diff --git a/aif/disk/lvm.py b/aif/disk/lvm.py
index fac8f74..5334ace 100644
--- a/aif/disk/lvm.py
+++ b/aif/disk/lvm.py
@@ -7,9 +7,9 @@ except ImportError:
     import subprocess
     has_mod = False
 ##
-from aif.disk.block import Disk, Partition
-from aif.disk.luks import LUKS
-from aif.disk.mdadm import Array
+import aif.disk.block
+import aif.disk.luks
+import aif.disk.mdadm
 
 
 class PV(object):
diff --git a/aif/disk/mdadm.py b/aif/disk/mdadm.py
index 3623e9f..aecc299 100644
--- a/aif/disk/mdadm.py
+++ b/aif/disk/mdadm.py
@@ -7,9 +7,9 @@ import uuid
 ##
 import mdstat
 ##
-from aif.disk.block import Disk, Partition
-from aif.disk.luks import LUKS
-from aif.disk.lvm import LV
+import aif.disk.block
+import aif.disk.luks
+import aif.disk.lvm
 
 
 SUPPORTED_LEVELS = (0, 1, 4, 5, 6, 10)
@@ -50,7 +50,11 @@ class Member(object):
     def __init__(self, member_xml, partobj):
         self.xml = member_xml
         self.device = partobj
-        if not isinstance(self.device, (Partition, Disk, Array)):
+        if not isinstance(self.device, (aif.disk.block.Partition,
+                                        aif.disk.block.Disk,
+                                        aif.disk.mdadm.Array,
+                                        aif.disk.lvm.LV,
+                                        aif.disk.luks.LUKS)):
             raise ValueError(('partobj must be of type aif.disk.block.Partition, '
                               'aif.disk.block.Disk, or aif.disk.mdadm.Array'))
         self.devpath = self.device.devpath
diff --git a/examples/aif.xml b/examples/aif.xml
index 7ff7575..28162e4 100644
--- a/examples/aif.xml
+++ b/examples/aif.xml
@@ -67,14 +67,6 @@
                     <lv id="lv1" name="logical1" size="100%"/>
                 </logicalVolumes>
             </volumeGroup>
-            <volumeGroup id="vg2" name="group2">
-                <physicalVolumes>
-                    <pv id="pv2" source="lvm_member1"/>
-                </physicalVolumes>
-                <logicalVolumes>
-                    <lv id="lv2" name="logical1" size="100%"/>
-                </logicalVolumes>
-            </volumeGroup>
         </lvm>
         <mdadm>
             <!-- level can be 0, 1, 4, 5, 6, or 10. RAID 1+0 (which is different from mdadm RAID10) would be done by