In RHEV 3.3, adding disk to a VM fails with an error "OSError: [Errno 2] No such file or directory"

Issue

• Couldn't add disk to vm, due to following error message in /var/log/vdsm/vdsm.log

 f484f6d4-386f-42a7-b131-f09e71350e46::ERROR::2014-06-16 09:49:57,134::task::850::TaskManager.Task::(_setError) Task=`f484f6d4-386f-42a7-b131-f09e      71350e46`::Unexpected error
 Traceback (most recent call last):
   File "/usr/share/vdsm/storage/task.py", line 857, in _run
     return fn(*args, **kargs)
   File "/usr/share/vdsm/storage/task.py", line 318, in run
     return self.cmd(*self.argslist, **self.argsdict)
   File "/usr/share/vdsm/storage/securable.py", line 68, in wrapper
     return f(self, *args, **kwargs)
   File "/usr/share/vdsm/storage/sp.py", line 1902, in createVolume
     srcImgUUID=srcImgUUID, srcVolUUID=srcVolUUID)
   File "/usr/share/vdsm/storage/fileSD.py", line 295, in createVolume
     volUUID, desc, srcImgUUID, srcVolUUID)
   File "/usr/share/vdsm/storage/volume.py", line 409, in create
     imgPath = image.Image(repoPath).create(sdUUID, imgUUID)
   File "/usr/share/vdsm/storage/image.py", line 123, in create
     os.mkdir(imageDir)
 OSError: [Errno 2] No such file or directory: '/rhev/data-center/49394777-9656-46a4-9a46-54da753cd72f/85d93b53-3e88-4507-9a0e-7b0cc3cffdf4/images/f929de65-45d2-4a1a-bfbf-bdd29a26a180'

• One of vm failed to boot up, error message show image file corrupted or missing.