journal <str> is busy and AIJ switch-over suspended  -  add  new
  journal

  Explanation:  The AIJ switch-over  operation  is  suspended  and
  performing  the  requested  AIJ  backup operation cannot proceed
  because active processes require the specified AIJ  journal  for
  recovery reasons.

  User Action:  It is  necessary  to  add  a  new  journal  before
  performing the AIJ backup operation.