Enabling, disabling, and reading journals, Enabling and disabling a journal, Journaling – IBM SC33-1683-02 User Manual

Page 663

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Enabling, disabling, and reading journals

Journal records are written to a log stream either directly from a user application
program, or from a CICS management program on behalf of a user application.
Journal records can be written from a user application using the EXEC CICS
WRITE JOURNALNAME command. For programming information about the EXEC
CICS WRITE JOURNALNAME command, see the

CICS Application Programming

Reference manual.

This section describes the commands that you use for enabling and disabling
journals, and for reading journals offline.

Enabling and disabling a journal

To enable or disable a journal from an application program, use the EXEC CICS
SET JOURNALNAME command. For programming information about the EXEC
CICS SET JOURNALNAME command, see the

CICS System Programming

Reference manual.

System Logger

C u r r e n t

Data Set

LSN1

LSN1

Staging

Data Sets

Full

Data Set

Data Space

Primary storage

Tertiary storage

DFHSM

Storage

Secondary storage

MVS1

Figure 54. The types of storage used by the MVS system logger. This diagram shows a log
stream that uses DASD-only logging. Primary storage consists of a data space in the same
MVS image as the system logger, and a single staging data set.

journaling

Chapter 23. CICS logging and journaling

631

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