Processing LOGREC

Logrec is a z/OS dataset which records information about events, such as hardware problems, and software abends. Information is written to the dataset even though the information may have been suppressed elsewhere.

JCL to print it

//IBMPEREP JOB (ACCT),'PRINT LOGREC',CLASS=A,MSGCLASS=H 
//STEP     EXEC PGM=IFCEREP1,PARM='CARD' 
//SERLOG   DD DISP=SHR,DSN=SYS1.S0W1.LOGREC 
//DIRECTWK DD UNIT=SYSDA,SPACE=(CYL,10,,CONTIG) 
//EREPPT   DD SYSOUT=A,DCB=BLKSIZE=133 
//TOURIST  DD SYSOUT=A,DCB=BLKSIZE=133 
//ZERLOG   DD SYSOUT=A,DCB=BLKSIZE=133 
//SYSIN DD * 
PRINT=PS 
ACC=N 
ZERO=N 
ENDPARM 
// 

To print and clear specify ZERO=Y.

The command syntax is given here.

Example output

IPL record

IPL RECORD EDIT AND PRINTING SECTION                                                        
      DAY  YEAR                              HH MM SS TH                                    
DATE -122   26                         TIME -06 05 01 52                                    
  MODEL - 1090      CPU SERIAL NO. -  011238                                                
MVS/ESA    V7 R3                                                                            
                                                                                            
          IPL REASON CODE - DF   DEFAULT -U-                                                
          SUBSYSTEM ID - 00                       SUBSYSTEM NAME - NULL                     
          HIGHEST STORAGE ADDRESS  7FFFFFFF                                                 
                                                                                            
      LAST ACTIVITY INFORMATION :                                                           
      DAY  YEAR                              HH MM SS TH                                    
DATE -121   26                         TIME -19 14 13 68                                    
END OF IPL RECORD                                                                           

3270 termination

DEVICE NUMBER:  000703                DAY YEAR       JOB IDENTITY: VTAM                     
                                     
DEVICE TYPE:    3277                                                                                                         
                                      MODEL:   1090                    HH MM SS.TH                                           
ERROR PATH:     EF-0703              CPU ID:   111238            TIME: 19 16 26.42                                           
RECORD IS:      TEMPORARY                                                                                                    
MODE IS:        370XA                                                                                                        
                                                                            
---UNIT STATUS----  SUB-CHANNEL STATUS  
....                                   
                                                                                                                             
DEVICE DEPENDENT DATA                                                                                                        
                                                                                                                             
 TYPE OF RECORD:  CLOSEDOWN    (X'20')                                                                                       
                                                                                                                             
 TERMINAL NAME:   LCL703                                            SIO CNTR:     00000003   TEMP. ERRORS:    00             

Software abend

See Where’s my dump?

How often should I clear it?

Periodically you should archive the data, so you can later do trend analysis, such as which disks are having more I/O problems than usual.

When logrec fills up, your automation can trigger a job to copy the logrec dataset, and clear it.