Revision dcde0241

b/scripts/gnt-cluster
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  """
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  op = opcodes.OpVerifyDisks()
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  result = SubmitOpCode(op)
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  if not isinstance(result, tuple) or len(result) != 4:
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  if not isinstance(result, (list, tuple)) or len(result) != 4:
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    raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")
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  nodes, nlvm, instances, missing = result

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