Check system components and key system areas

To obtain a diagnostic report for Use
Advanced Program-to-Program Communication (APPC) component APPCDATA subcommand — analyze APPC/MVS component data
APPC/MVS transaction scheduler ASCHDATA subcommand — analyze APPC/MVS transaction scheduler data
Auxiliary storage manager (ASM) component ASMCHECK subcommand — analyze auxiliary storage manager data VERBEXIT ASMDATA subcommand — format auxiliary storage manager data
Availability management component VERBEXIT AVMDATA subcommand — format availability manager data
Communications task component COMCHECK subcommand — analyze communications task data
Cross-system coupling facility (XCF) COUPLE subcommand — analyze cross-system coupling data
Cross system extended services (XES) XESDATA subcommand — format cross system extended services data
Data-in-virtual component DIVDATA subcommand — analyze data-in-virtual data
Data lookaside facility (DLF) component DLFDATA subcommand — format data lookaside facility data
Dump analysis and elimination (DAE) component VERBEXIT DAEDATA subcommand — format dump analysis and elimination data
Global resource serialization component VERBEXIT GRSTRACE subcommand — format Global Resource Serialization data
Information Management System (IMS™) product See IMS/ESA® Utilities Reference
IMS resource lock manager (IRLM) product See IMS/ESA Utilities Reference or
Input/output supervisor (IOS) component IOSCHECK subcommand — format I/O supervisor data
Job entry subsystem 2 (JES2) component See z/OS JES2 Diagnosis
Job entry subsystem 3 (JES3) component See z/OS JES3 Diagnosis
LOGREC buffer records VERBEXIT LOGDATA subcommand — format logrec buffer records
MVS™ message service (MMS) component VERBEXIT MMSDATA subcommand — format MVS message service data
Modules in the nucleus VERBEXIT NUCMAP subcommand — map modules in the nucleus
Real storage manager (RSM) component RSMDATA subcommand — analyze real storage manager data
Stand-alone dump message log VERBEXIT SADMPMSG subcommand — format stand-alone dump message log
Storage management subsystem (SMS) component See z/OS DFSMSdfp Diagnosis
System logger component LOGGER subcommand — format system logger address space data
System resource manager (SRM) component VERBEXIT SRMDATA subcommand — format System Resource Manager data
System symbol table (which is different from the IPCS symbol table - it contains system symbols for general system use) SYMDEF subcommand — display an entry in the system symbol table
Subsystem Interface (SSI) component SSIDATA subcommand — display subsystem information
Structures of the coupling facility STRDATA subcommand — format coupling facility structure data
SVC summary dump data VERBEXIT SUMDUMP subcommand — format SVC summary dump data
Symptom string VERBEXIT SYMPTOM subcommand — format symptom string
Time Sharing Option Extensions (TSO/E) product See TSO/E V2 Diagnosis: Guide and Index
Virtual lookaside facility (VLF) component VLFDATA subcommand — format virtual lookaside facility data
Virtual storage manager (VSM) component VERBEXIT VSMDATA subcommand — format virtual storage management data
Virtual Telecommunication Access Method (VTAM®) product See VTAM Diagnosis
Workload manager (WLM) WLMDATA subcommand — analyze workload manager data