IBM suggests setting NON_VSAM_XTIOT=YES in the DEVSUPxx member of PARMLIB to decrease the chances of running out of virtual storage when allocating and concurrently opening many sequential and partitioned data sets.
The system continues processing.
N/A
Encourage the use of XTIOT allocations.
N/A
DFSMS OPEN/CLOSE/EOV
IFGHCOC2
See note 35.
12 is the default set by this check. See note 1.
N/A
For additional information see z/OS MVS Initialization and Tuning Reference.