Synnefo » snf-ganeti

    return disks_info

  """Prepare the block devices for an instance.

  This sets up the block devices on all nodes.

  @type ignore_secondaries: boolean

  @param ignore_secondaries: if true, errors on secondary nodes

      won't result in an error return from the function

  @return: False if the operation failed, otherwise a list of

      (host, instance_visible_name, node_visible_name)

      with the mapping from node devices to instance devices

  # 1st pass, assemble on all nodes in secondary mode

  for inst_disk in instance.disks:

    for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node):

      lu.cfg.SetDiskID(node_disk, node)

      result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)

      msg = result.RemoteFailMsg()

    for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node):

      if node != instance.primary_node:

        continue

      lu.cfg.SetDiskID(node_disk, node)

      result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)

      msg = result.RemoteFailMsg()