Support for System z High Performance FICON (zHPF) was made available for SAS direct access bound libraries on disk in the third maintenance release for SAS 9.4 (TS1M3). When the SAS library spans volumes and there is a mixture of zHPF and non-zHPF devices, SAS might abend.

When you encounter this problem, a traceback like the following is written to the SAS log:

This problem is caused by SAS not properly handling the change between zHPF channel programs and Channel Command Word (CCW) channel programs, which results in a system abend 0C1.

A circumvention for this issue is to set the following SAS system option in the CONFIG file, during start-up of SAS, or in an OPTIONS statement within the program:

Click the Hot Fix tab in this note to access the hot fix for this issue.

Operating System and Release Information

A fix for this issue for Base SAS 9.4_M3 is available at: