>>-+----------------------------------------------+------------><
   '-TOLerate--(--+-IOERror--+-------------+-+--)-'   
                  |          '-,ENQFailure-' |        
                  '-ENQFailure--+----------+-'        
                                '-,IOERror-'          

ENQFailure

Specifies that data sets are to be processed even though shared or exclusive access fails. TOLERATE(ENQFAILURE) is ignored if it is specified in a PRINT TRACKS or PRINT VTOC operation.

IOERror

Specifies that DFSMSdss is to continue processing even though I/O errors occur, but is to end after 100 errors.

Related reading: For additional information about TOL(ENQF), see Examples of the application program with the user interaction module (UIM).