diff --git a/lib/bdev.py b/lib/bdev.py
index 65db9f4779fc76e7cee3abce13e3e01d5da650bc..7578d09ec9a3879a53770c59637ea69f0ca5154e 100644
--- a/lib/bdev.py
+++ b/lib/bdev.py
@@ -917,7 +917,10 @@ class BaseDRBD(BlockDev):
   """
   _VERSION_RE = re.compile(r"^version: (\d+)\.(\d+)\.(\d+)"
                            r" \(api:(\d+)/proto:(\d+)\)")
-  _DRBD_KVER = 0
+  _DRBD_MAJOR = 147
+  _ST_UNCONFIGURED = "Unconfigured"
+  _ST_WFCONNECTION = "WFConnection"
+  _ST_CONNECTED = "Connected"
 
   @staticmethod
   def _GetProcData():
@@ -948,6 +951,34 @@ class BaseDRBD(BlockDev):
                                     first_line)
     return [int(val) for val in version.groups()]
 
+  @staticmethod
+  def _DevPath(minor):
+    """Return the path to a drbd device for a given minor.
+
+    """
+    return "/dev/drbd%d" % minor
+
+  @classmethod
+  def _GetUsedDevs(cls):
+    """Compute the list of used DRBD devices.
+
+    """
+    data = cls._GetProcData()
+
+    used_devs = {}
+    valid_line = re.compile("^ *([0-9]+): cs:([^ ]+).*$")
+    for line in data:
+      match = valid_line.match(line)
+      if not match:
+        continue
+      minor = int(match.group(1))
+      state = match.group(2)
+      if state == cls._ST_UNCONFIGURED:
+        continue
+      used_devs[minor] = state, line
+
+    return used_devs
+
 
 class DRBDev(BaseDRBD):
   """DRBD block device.
@@ -962,11 +993,6 @@ class DRBDev(BaseDRBD):
   valid size and is zeroed on create.
 
   """
-  _DRBD_MAJOR = 147
-  _ST_UNCONFIGURED = "Unconfigured"
-  _ST_WFCONNECTION = "WFConnection"
-  _ST_CONNECTED = "Connected"
-
   def __init__(self, unique_id, children):
     super(DRBDev, self).__init__(unique_id, children)
     self.major = self._DRBD_MAJOR
@@ -983,35 +1009,6 @@ class DRBDev(BaseDRBD):
     self._lhost, self._lport, self._rhost, self._rport = unique_id
     self.Attach()
 
-  @staticmethod
-  def _DevPath(minor):
-    """Return the path to a drbd device for a given minor.
-
-    """
-    return "/dev/drbd%d" % minor
-
-  @classmethod
-  def _GetUsedDevs(cls):
-    """Compute the list of used DRBD devices.
-
-    """
-    data = cls._GetProcData()
-
-    used_devs = {}
-    valid_line = re.compile("^ *([0-9]+): cs:([^ ]+).*$")
-    for line in data:
-      match = valid_line.match(line)
-      if not match:
-        continue
-      minor = int(match.group(1))
-      state = match.group(2)
-      if state == cls._ST_UNCONFIGURED:
-        continue
-      used_devs[minor] = state, line
-
-    return used_devs
-
-
   @classmethod
   def _FindUnusedMinor(cls):
     """Find an unused DRBD device.