Add remove blkid cache for refresh Udev.

calculate/lib/utils/device.py

@@ -394,4 +394,10 @@ def refreshUdev():
     getUdevDeviceInfo.clearCache()
     udevadm = getProgPath('/sbin/udevadm')
     if udevadm:
+        blkidFile = '/etc/blkid.tab'
+        try:
+            if path.exists(blkidFile):
+                os.unlink(blkidFile)
+        except:
+            pass
         process(udevadm,"trigger","--subsystem-match","block").success()