DELTA PLUS log and history file

DELTA PLUS records all successful changes made to an IMS system in the DELTA PLUS Log. This is a critical data set that is used during IMS initialization to reapply all active DELTA PLUS updates to IMS. Because of the critical importance of this data set, DELTA PLUS maintains dual Log data sets. The Log data sets are only for the use of DELTA PLUS.

DELTA PLUS records the same changes to the DELTA PLUS History File. The DELTA PLUS History File also contains images of the resource before and after any changes are made. The History File is useful for reporting and maintaining an audit trail of the changes made to an IMS system. DELTA PLUS also maintains dual History File data sets.

The following output is a sample History File:

DELTA PLUS History List - Terse format    Target: GRPZ 13/11/1998 Page:    1

Date       Time IMSid Userid   Action Ele_type Name     Other_name List     Act
11/13/1998  6.19 GCB5 GCB      ADD    APPLCTN  APPL1               #SAMP02  YES
11/13/1998  6.19 GCB5 GCB      DELETE APPLCTN  APPL2               #SAMP02  YES
11/13/1998  6.19 GCB5 GCB      ADD    DATABASE DB1      DI21PART M #SAMP02  YES
11/13/1998  6.19 GCB5 GCB      ADD    TRANSACT LCPTRAN9 LCPTRAN1 M #SAMP02  YES
11/13/1998  6.19 GCB5 GCB      ADD    TERMINAL TERM1    $SLU2008 S #SAMP02  YES
11/13/1998  6.19 GCB5 GCB      REVISE TERMINAL $3270DDD $3270DDD S #SAMP02  YES
11/13/1998  6.20 GCB5 GCB      REVISE TRANSACT TRAN3    TRANQ    N #SAMP03  YES
11/13/1998  6.22 GCB5 GCB      ADDREV TRANSACT TRAN4               #SAMP04  YES
11/13/1998  6.22 GCB5 GCB      ADD    APPLCTN  APPL99T             #SAMPLST YES
11/13/1998  6.22 GCB5 GCB      RELOAD APPLCTN  LCPTRAN1            #SAMP04  YES
11/13/1998  6.22 GCB5 GCB      EXEC   /STO TRAN PART               #SAMP05   NO
11/13/1998  6.28      GCB      Group      Target: GRPZ   Elements:        2 YES
11/13/1998  6.28 GCB5 GCB      ADD    APPLCTN  TST98    LCPTRAN1 M #SAMP08  YES
11/13/1998  6.28 GCBX GCB      ADD    APPLCTN  TST98    LCPTRAN1 M #SAMP08  YES
*   Other_name notation:  N-New name, S-Spare mask, M-Model after name


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