text: Example 10-5 The chsystem command 
  
  IBM_Storwize:ITSOV7K:superuser>lssystem |grep easy_tier 
  easy_tier_acceleration off 
  IBM_Storwize:ITSOV7K:superuser>chsystem -easytieracceleration on 
  IBM_Storwize:ITSOV7K:superuser> 