Use a DISPLAY DUMP operator command to get the dump mode and options in effect for SVC dumps and ABEND SYSABEND, SYSMDUMP, and SYSUDUMP dumps. The system displays the mode and options in message IEE857I.
DISPLAY DUMP,OPTIONS
If the options listed are not the ones desired, use a CHNGDUMP operator command to change them.
See z/OS MVS System Commands for the DISPLAY and CHNGDUMP operator commands. For a description of these messages, use LookAt or see MVS™ System Messages.