Revision 86de84dd

b/lib/cmdlib.py
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    for node in (instance.secondary_nodes + (instance.primary_node,)):
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      self.cfg.SetDiskID(disk, node)
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      result = rpc.call_blockdev_grow(node, disk, self.op.amount)
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      if not result or not isinstance(result, tuple) or len(result) != 2:
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      if not result or not isinstance(result, (list, tuple)) or len(result) != 2:
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        raise errors.OpExecError("grow request failed to node %s" % node)
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      elif not result[0]:
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        raise errors.OpExecError("grow request failed to node %s: %s" %

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