text: 16 Distributed_array 8 15 1 
  <...> 
  IBM_Storwize:ITSOV7K:superuser>lsdrive 
  id status error_sequence_number use tech_type capacity mdisk_id 
  16 online member tier_enterprise 558.4GB 16 
  17 online spare tier_enterprise 558.4GB 
  18 online member tier_enterprise 558.4GB 16 
  <...> 
  IBM_Storwize:ITSOV7K:superuser>charraymember -immediate -member 7 -newdrive 17 
  Distributed_array 
  IBM_Storwize:ITSOV7K:superuser> 