z/OS JES2 Diagnosis
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Using the CBFORMAT command to display JES2 control blocks

z/OS JES2 Diagnosis
GA32-0993-00

You can use the CBFORMAT command to display the control blocks in Table 1 (using the STRUCTURE(structurename) parameter to specify the structure).
Note: In some cases, the structure name is actually the name of a DSECT within a macro (preceded by the ‘$’ symbol). For example, $BERTIE corresponds to the BERTIE DSECT within the $BERT macro. In most cases, the structure name and the macro name are the same.
Table 1. JES2-Related Control Blocks Supported by the IPCS CBFORMAT Command
IPCS Structure Name Description
$ACE Automatic Command Element
$ACT Automatic Command Table
$APT NJE/SNA Application Table
$ARMG ARM Support JESXCF Message
$BAT Buffer Auxiliary Table
$BERT Block Extension Reuse Table.

Specify VIEW(X'0600') on the CBFORMAT command

$BERTIE Length and ID of BERT data (BERTIE DSECT in $BERT macro)
$BERTI0 Lock, chaining fields, key (BERTI0 DSECT in $BERT macro)
$BERTTAB Table pairs to define BERTs (HASP table entries in module HASPTABS)
$BRTMAP Maps BERTIE name to ID (BRTMAP DSECT in $BERT macro)
$BRTPREF BERT CTENT prefix area (BRTPREF DSECT in $BERT macro)
$BRTRANS ECSA tables reflecting $BERTTAB entries (BRTRANS DSECT in $CATBERT macro)
$BTE Bad track group element
$BUFFER Buffer DSECT
$CADDR Common Storage Address Table
$CAT Class Attribute Table
$CATBERT Collector Attribute Table for BERTs
$CHARJOE Job Output Element (Similar to $JOE, but forces the JOE to format as a Characteristic-JOE regardless of its type)
$CKB Checkpoint Block (CKB DSECT in $CK macro)
$CKG Checkpoint Generalized Parameter List (CKG DSECT in $CKGPAR macro)
$CKM Checkpoint Inter-Member Communications Area
$CKPRECV Checkpoint Recovery Parameter List
$CKW Checkpoint Work Area
$CKX Checkpoint Reconfiguration JESXCF Messages
$CMB Console Message Buffer
$CPEBE Cell Pool Extent Block Element
$CPINDEX Cell Pool Index Table
$CPMASTR Cell Pool Master Element
$CVCB Checkpoint Version Control Block
$DAS Direct Access Spool Data Set
On the CBFORMAT command specify one of the following VIEWs:
-  VIEW(X'0201') for a checkpoint resident $DAS
-  VIEW(X'0202') for a $DAS in common storage
$DCT Device Control Table
$DSB Data Space Control Block
$DSCT Data Set Control Table
$DTE Daughter Task Element
$DWA $DILBERT Work Area
$ERA Error Recovery Area
$EVENT PERFDATA Events
$EVT ENF LISTEN Event
$EZA EZASMI Work Area
$FMH SNA Function Management Header
$FSACB FSA Control Block
$FSAXB FSA Control Block Extension
$FSSCB FSS Control Block
$FSSXB FSS Control Block Extension
$GPQE General Purpose Subtask Queue Element
$HASXB HASP Address Space Extension Block
$HASB HASP Address Space Block
$HCCT HASP Common-Storage Communication Table
$HCT HASP Communication Table
$HFAM HASP File Allocation Map
$HFAME HASP File Allocation Map Entry
$HFCT HASP FSS Communication Table
$HJCT JES2 Monitor Communication Table
$ICE Interface Control Element
$INITST JES2 Initialization Statistics (INITSTAT DSECT in $PERFCB macro)
$IOT Input/Output Table
$IRE Internal Reader Tracking Element
$IRIS Internal Reader Init Statement
$IRWD Internal Reader Work DSECT
$JCT HASP Job Control Table
$JCTX Job Control Table Extension
$JIB JOE Information Block
$JIBX JOE Extended Information Block
$JNT Job Number Table
$JOA Artificial JOE

Formats either:

  • An artificial JOE built by JES2 from its component parts using the $DOGJOE service
  • A JOE residing in the in-storage copy of the checkpoint and built by JES2 IPCS support from its component parts and then formatted as a JOA
$JOE Job Output Element
$JOX Job Output Element Extension (Only JOE field names defined for the JOX CTENT are formatted)
$JQA Artificial JQE

Formats either:

  • An artificial JQE built by JES2 from its component parts using the $DOGJQE service
  • A JQE residing in the in-storage copy of the checkpoint and built by JES2 IPCS support from its component parts and then formatted as a JQA
$JQB The BERT Portion of an Artificial JQE
$JQE Job Queue Element (Only JQE field names defined for the JQE CTENT are formatted)
$JQX Job Queue Element Extension (Only JQE field names defined for the JQX CTENT are formatted)
$JRW Job Receiver Work Area
$JTW Job Transmitter Work Area
$JWEL JOE/Writer Exclude List
$KAC Checkpoint Application Copy
$KIT Checkpoint Information Table
$KITL Checkpoint Information Table (Local version that resides in JES2 private area storage, not in checkpoint)
$LMD Limit Monitoring Data
$LMDE Limit Monitoring Data Element
$LMT Load Module Table
$MCT Master Control Table
$MIT Module Information Table
$MODMAP Module Map for HASJES20 and HASPINIT
$MONCB Monitor Address Space Control Table
$MSD Monitor Sampling Data
$MSDCSD Monitor CPU Sampling Data
$MTQH Main Task Queue Header
$MTRB Main Task Request Block
$MWT Monitor Wait Table
$MWTHDR Monitor Wait Table Header
$NAT Nodes Attached Table Element
$NCPE NETSRV Common POST Element
$NIT Node Information Table
$NITP Node Information Table Path Elements (NITP DSECT in $NIT macro)
$NJETRC NETSRV Rolling Trace area
$NSACT Network Subnet Anchor Table Entry
$NSCT NETSRV Control Table
$NSST NETSRV Socket Table
$NSWE NETSRV Subtask Work Element
$ODPARM Output Descriptor Parameter Block
$PAD PROCLIB Allocation Descriptor
$PADDR Private Storage Routine Address Table
$PADE PROCLIB Allocation Descriptor Element
$PBEUSER PREBERT User Stack Element
$PBLK HAM Protected Block
$PCE Processor Control Element
$PCL Persistent Collection Line Element
$PCLJT PCL Job Transmitter area
$PCLJR PCL Job Receiver area
$PCLST PCL SYSOUT Transmitter area
$PCLSR PCL SYSOUT Receiver area
$PCT Path Manager Control Table
$PDDB Peripheral Data Definition Block
$PERFCB Performance Data Anchor Control Block
$PIT Partition Information Table
$PPB $PCE Performance Block (PPB DSECT in $PERFCB macro)
$PSCBD $POST Performance Block (PSCBD DSECT in $PERFCB macro)
$PRE Processor Recovery Element
$PREBERT Prefix for BERT Processing
$PRMB Monitor Probe Message Information Work Area
$PSO Process SYSOUT Work Area
$PSV Save Area
$PTPB $PCE Type Performance Block (PTPB DSECT in $PERFCB macro)
$QSE Shared Queue Element
$RAT Remote Attribute Table
$RDT Remote Destination Table
$RECY DAS Recovery Element
$RJCB Job Reader Card Buffer
$SAPID SYSOUT API Data Area
$SAVEBEG Checkpointed area of the $HCT
$SCANWA $SCAN Facility Work Area
$SCID Summary of Checkpoint Information
$SCK NJE/TCP Socket
$SCQ Shared Communications Queue Element
$SDB Subsystem Data Set Block
$SFRB Scheduler Facility Request Block
$SJB Subsystem Job Block
$SJIOB Subsystem Job I/O Buffer
$SJXB Subsystem Job Block Extension
$SPUD Space Utilization Description Block
$SQD Subtask Queue Descriptor
$SRW SYSOUT Receiver Work Area
$STAC STATUS and CANCEL Work Element
$STW SYSOUT Transmitter Work Area
$STWORK General Purpose Subtask Work Area
$SXADDR Scan Exit Routine Address Table
$TBUF TCP/IP Buffer
$TED Trace Enablement Descriptor
$TGB $TGB on the CCTIOERR error queue
$TGBBLOB $TGB in the BLOB
$TQE Timer Queue Element
$TRCA Termination Recovery Control area
$TRE JES2 TCB Recovery Element
$TRX JES2 TCB Recovery Element Extension
$WAIT $WAIT In-line Parameter List
$WAVE Work Access Verification Element
$WLMD Work Load Manager Data Bundle
$WORKJOE Job Output Element (Similar to $JOE, but forces the JOE to format as a Work-JOE regardless of its type)
$WSA Work Selection Work Area
$WSC JES2 WLM Service Class Queue Anchor
$WSP Work Selection Parameter List
$WTCB $WAIT Performance Control Block (WTCB DSECT in $PERFCB macro)
$XECB Extended Event Control Block
$XIT Exit Information Table
$XMAE JES2 XCF MAS Member Status Block (XMAQENT DSECT in $XMAS macro)
$XMAS Cross MAS Coupling Block
$XRQ JES2 XCF Request Block
$XRT Exit Routine Table
JESCT Job Entry Subsystem Communication Table
JESCTX JESCT Pageable Extension (JESPEXT DSECT in JESCT data area)
JSAB Job Scheduler Address Space Control Block
SSCT Subsystem Communications Vector Table
SSPJ Persistent JCL Interface SSOB Extension
SSVT Subsystem Vector Table

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