Understanding the change accumulation utility report

A CICS® VR CA utility report is produced every time the CA command is issued.

The figure below shows the CA utility report.

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Figure 1. Change accumulation output, page 1 of 2
CICSVR - CHANGE ACCUMULATION UTILITY        DATE : 2008/05/30   TIME : 17:50:36 
                                                                          
CHANGE ACCUMULATION STATISTICS FOR CA GROUP                               
===========================================                               
CA GROUP NAME                 : CICSMVS                                   
                                                                          
CURRENT VSAM DATA SETS IN THIS CA GROUP  PREVIOUS VSAM DATA SETS IN THIS CA GROUP
=======================================  ========================================
CICS1.PROD1.BASE                         CICS1.PROD1.BASE                 
CICS1.PROD2.BASE                         CICS1.PROD2.BASE                 
CICS1.PROD3.BASE
                                                   
INPUT CA DATA SET STATISTICS                       
============================                       
INPUT CA DATA SET NAME        : A12345.B6789.C12345
FIRST RECORD TIMESTAMP, LOCAL : 2008.030 14.10.30  
FIRST RECORD TIMESTAMP, GMT   : 2008.030 16.10.30  
LAST RECORD TIMESTAMP, LOCAL  : 2008.030 14.10.35  
LAST RECORD TIMESTAMP, GMT    : 2008.030 16.10.35  
NUMBER OF RECORDS READ        :       20           
                                                                 
VSAM DATA SETS STATISTICS FOR INPUT CA DATA SET OF THIS CA GROUP 
================================================================ 
BASE CLUSTER NAME             : CICS1.PROD1.BASE                 
START DATE AND TIME LOCAL     : 2008.030 14:00:23                
START DATE AND TIME GMT       : 2008.030 16:00:23                
STOP DATE AND TIME LOCAL      : 2008.030 14:10:18                
STOP DATE AND TIME GMT        : 2008.030 16:10:18                
LAST BACKUP TIME LOCAL        : 2008.030 14:05:00                
LAST BACKUP TIME GMT          : 2008.030 16:05:00                
                                                               
-------------------------------------------------------------- 
                                                               
BASE CLUSTER NAME             : CICS1.PROD2.BASE               
START DATE AND TIME LOCAL     : 2008.030 14:00:23              
START DATE AND TIME GMT       : 2008.030 16:00:23              
STOP DATE AND TIME LOCAL      : 2008.030 14:10:18              
STOP DATE AND TIME GMT        : 2008.030 16:10:18              
LAST BACKUP TIME LOCAL        : 2008.030 14:05:00              
LAST BACKUP TIME GMT          : 2008.030 16:05:00              
-------------------------------------------------------------- 
                                                                         
CICSVR - CHANGE ACCUMULATION UTILITY        DATE : 2008/05/30   TIME : 17:50:36

JOURNAL STATISTICS                               
===================                              
JOURNAL NAME                  : CICSPROD.DFHJ02A 
FIRST TIME LOCAL              : 2008.030 14.15.30
LAST TIME LOCAL               : 2008.030 14.15.35
NUMBER OF RECORDS READ        :       20         
                                                  
JOURNAL STATISTICS                                
===================                               
JOURNAL NAME                  : CICSPROD.DFHJ02B  
FIRST TIME LOCAL              : 2008.030 14.15.35 
LAST TIME LOCAL               : 2008.030 14.15.40 
NUMBER OF RECORDS READ        :       30                                                             
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The Figure below shows CA output for an MVS™ log stream.

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Figure 2. Change accumulation output, page 2 of 2
LOGSTREAM STATISTICS                                  
====================                                  
LOGSTREAM NAME                : CICSVR1.MVSLOG.LOL1   
FIRST TIME GMT                : 2008.030 16.15.30     
LAST TIME GMT                 : 2008.030 16.15.35     
FIRST TIME LOCAL              : 2008.030 14.15.30     
LAST TIME LOCAL               : 2008.030 14.15.35     
FIRST BLOCK NUMBER            :          737          
LAST BLOCK NUMBER             :          994          
NUMBER OF RECORDS READ        :       20              
                                                                                                                               
CICSVR - CHANGE ACCUMULATION UTILITY        DATE : 2008/05/30   TIME : 17:50:36
                                                                         
OUTPUT CA DATA SET STATISTICS                                            
=============================                                            
OUTPUT CA DATA SET NAME       : A12345.B6789.C12345                      
VOLUME                        : 123456                                   
UNIT                          : 3490                                     
FIRST RECORD TIMESTAMP, LOCAL : 2008.030 14.10.35                        
FIRST RECORD TIMESTAMP, GMT   : 2008.030 16.10.35                        
LAST RECORD TIMESTAMP, LOCAL  : 2008.030 14.10.40                        
LAST RECORD TIMESTAMP, GMT    : 2008.030 16.10.40                        
NUMBER OF RECORDS WRITTEN     :      277 
                                                                   
VSAM DATA SETS STATISTICS FOR OUTPUT CA DATA SET OF THIS CA GROUP 
================================================================= 
BASE CLUSTER NAME             : CICS1.PROD1.BASE                  
START DATE AND TIME LOCAL     : 2008.030 14:19:23                 
START DATE AND TIME GMT       : 2008.030 16:19:23                 
STOP DATE AND TIME LOCAL      : 2008.030 16:47:18                 
STOP DATE AND TIME GMT        : 2008.030 18:47:18                 
LAST BACKUP TIME LOCAL        : 2008.030 14:19:00                 
LAST BACKUP TIME GMT          : 2008.030 16:19:00                 
NUMBER OF RECORDS WRITTEN     :       120 
                                                              
--------------------------------------------------------------
                                                              
BASE CLUSTER NAME             : CICS1.PROD2.BASE              
START DATE AND TIME LOCAL     : 2008.030 14:21:37             
START DATE AND TIME GMT       : 2008.030 16:21:37             
STOP DATE AND TIME LOCAL      : 2008.030 17:23:27             
STOP DATE AND TIME GMT        : 2008.030 19:23:27             
LAST BACKUP TIME LOCAL        : 2008.030 12:23:27             
LAST BACKUP TIME GMT          : 2008.030 14:23:27             
NUMBER OF RECORDS WRITTEN     :       39 
                                                               
-------------------------------------------------------------- 
                                                               
BASE CLUSTER NAME             : CICS1.PROD3.BASE               
START DATE AND TIME LOCAL     : 2008.030 14:44:02              
START DATE AND TIME GMT       : 2008.030 16:44:02              
STOP DATE AND TIME LOCAL      : 2008.030 16:23:05              
STOP DATE AND TIME GMT        : 2008.030 18:23:05              
LAST BACKUP TIME LOCAL        : 2008.030 13:23:05              
LAST BACKUP TIME GMT          : 2008.030 15:23:05              
NUMBER OF RECORDS WRITTEN     :       98                       
                                                               
-------------------------------------------------------------- 
                                                                             
End of change
CA utility report fields description:
CA group name
The group name from the CA command. The CA Group name must be unique and is used by CICS VR to identify the specified group of data sets in the RCDS. The group name is a maximum of 36 characters.
Input CA data set name
The name of the CA data set dynamically created during the previous CA utility run for this CA group.
First record timestamp, local
The first time recorded on the input CA data set, in the local time format.
First record timestamp, GMT
The first time recorded on the input CA data set, in the GMT format.
Last record timestamp, local
The last time recorded on the input CA data set, in the local time format.
Last record timestamp, GMT
The last time recorded on the input CA data set, in the GMT format.
Number of records read
The number of records read from the input CA data set.
Base cluster name
The base VSAM data set name from the input CA data set of this CA group.
Start date and time local
The first VSAM data set timestamp recorded on the input CA data set, in the local time format.
Start date and time GMT
The first VSAM data set timestamp recorded on the input CA data set, in the GMT format.
Stop date and time local
The last VSAM data set timestamp recorded on the input CA data set, in the local time format.
Stop date and time GMT
The last VSAM data set timestamp recorded on the input CA data set, in the GMT format.
Last backup time local
The VSAM data set backup time used when the input CA data set was created, in the local time format.
Last backup time GMT
The VSAM data set backup time used when the input CA data set was created, in the GMT format.
Journal name
The input journal name if CICS logs are used for this CA group.
First time local
The first time recorded on this journal, in the local time format only, GMT format is not applicable.
Last time local
The last time recorded on this journal, in the local time format only, GMT format is not applicable.
Number of records read
The number of records read from this journal.
Logstream name
The name of the MVS log stream used for CICS TS logging or VSAM batch logging.
First time GMT
The first time recorded on this log stream, in the GMT format.
Last time GMT
The last time recorded on this log stream, in the GMT format.
First time local
The first time recorded on this log stream, in the local time format.
Last time local
The last time recorded on this log stream, in the local time format.
First block number
The first block number on the log stream.
Last block number
The last block number on the log stream.
Number of records read
The number of records read from this log stream.
Output CA data set name
The name of the CA data set dynamically created during the current CA utility run for this CA group.
Volume
The volume serial number from the CA command. It must be specified if the output CA data set is not a SMS-managed data set.
Unit
The device type from the CA command. It must be specified if the output CA data set is not a SMS-managed data set.
First record timestamp, local
The first time recorded on the output CA data set, in the local time format.
First record timestamp, GMT
The first time recorded on the output CA data set, in the GMT format.
Last record timestamp, local
The last time recorded on the output CA data set, in the local time format.
Last record timestamp, GMT
The last time recorded on the output CA data set, in the GMT format.
Number of records written
The number of records written to the output CA data set.
Base cluster name
The base VSAM data set name for the output CA data set of this CA group.
Start date and time local
The first VSAM data set timestamp recorded on the output CA data set, in the local time format.
Start date and time GMT
The first VSAM data set timestamp recorded on the output CA data set, in the GMT format.
Stop date and time local
The last VSAM data set timestamp recorded on the output CA data set, in the local time forma).
Stop date and time GMT
The last VSAM data set timestamp recorded on the output CA data set, in the GMT format.
Last backup time local
The VSAM data set backup time used when the output CA data set was created, in the local time format.
Last backup time GMT
The VSAM data set backup time used when the output CA data set was created, in the GMT format.
Number of records written
The number of records written to the output CA data set for this VSAM data set.