RHV: Storage related operations failing with "Unknown Error 524"

Solution Verified - Updated -

Issue

  • Cannot create RHV Virtual Machine Pool
  • Cannot create VM from Template
  • VDSM fails on trying to link volumes:
2017-07-28 08:57:52,624-0400 ERROR (tasks/9) [storage.oop] Linking file: /rhev/data-center/00000001-0001-0001-0001-000000000311/b9029353-ce1c-4997-9e9e-a38ed3d94087/images/c986abc3-9491-4841-ba15-1781b9864811/ed12bffc-dca8-40ce-a5a6-a82e81843a2f to /rhev/data-center/00000001-0001-0001-0001-000000000311/b9029353-ce1c-4997-9e9e-a38ed3d94087/images/115aa282-4109-4911-a359-fc8deb3be58b/ed12bffc-dca8-40ce-a5a6-a82e81843a2f failed (outOfProcess:312)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/storage/outOfProcess.py", line 305, in forceLink
    _IOProcessOs(self._iop).link(src, dst)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/outOfProcess.py", line 223, in link
    self._iop.link(src, dst)
  File "/usr/lib/python2.7/site-packages/ioprocess/__init__.py", line 538, in link
    "newpath": newpath}, self.timeout)
  File "/usr/lib/python2.7/site-packages/ioprocess/__init__.py", line 461, in _sendCommand
    raise OSError(errcode, errstr)
OSError: [Errno 524] Unknown error 524

Environment

  • Red Hat Virtualization 3.x, 4.x
    • File based Storage, such as NFS

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