Estimating the size of the work data set for CHECKREC=YES (CHECKREC)
Records are written in CHECKREC during the CHECK process TYPE=ALL or TYPE=CHECK. Only one data set is allocated for it in an HD Pointer Checker job.
Procedure
To calculate the value for CHECKREC in worksheet 2, add all values of
MERGINnn and SORTEX01 in worksheet 2 as follows:
CHECKREC = SUM of ( MERGINnn + SORTEX01 )