The MAXMERG option limits the number of tape drives that a MAXSORT will dynamically allocate for merging strings of data.
The value specified for n is the maximum number of tape drives that the program will use for merging the intermediate output tapes created on the SORTOUxx tape drives. Any SORTOUxx tape drive allocated in the JCL will be included in n. At least 2 must be specified, and 8 is the default.
Specify 'OC' if you want the operator to choose the maximum number of tape drives at each breakpoint.
Give a value for n and specify OC if you want the operator to be able change the value for n at breakpoints.
DYNATAPE must be in effect for MAXMERG to take effect.