If an error occurs in the Monitor II or Monitor III reporter session, RMF™ prompts you whether you want to write a dump. Follow the steps of the diagnostic procedure to obtain a dump:
TSO FREE FI(SYSUDUMP SYSABEND)
You can ignore messages, for example: IKJ56247I FILE xxxxxxxx NOT FREED, IS NOT ALLOCATED
TSO ALLOC FI(SYSMDUMP) DA(dsname) NEW SP(200 200) CYL REUSE REL
If the command does not fit into the command line, start the split-screen mode to enter the command.
Would you like a dump? Enter Y or N. ===> Y
IEA993I SYSMDUMP TAKEN TO dsname