Format Of Journal Record - IBM SC34-6814-04 Customization Manual

Cics transaction server for z/os
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JCRSTRID
JCRUTRID
JCRLRN
The label prefix part of the journal control label header is 32 bytes long, and its
format is shown in Figure 92.
1 3
X'00'
X'00'
Journal block
number
JCRBLKN
Figure 92. Format of label prefix part of journal control label header
X'00'
JCRBLKN
X'00's 12-bytes each containing X'00'.
JCLRTIME
JCLRRST
JCLRDATE
JCLRSEQ

Format of journal record

Each CICS journal record comprises a system header, system prefix, user prefix,
and journaled data. The format of a journal record is shown in Figure 93 on page
732.
2-byte system-type identifier. For a user journal request, this is X'0000'.
Otherwise, it consists of a 1-byte function ID followed by a 1-byte module
ID.
2-byte user-type identifier. For a CICS journal request, this is X'0000'.
Otherwise, it contains the code specified by the JTYPEID keyword of the
user request.
2-byte record number within the block.
Fixed length
12
4
Time block
'00'
written
JCLRTIME
(hhmmss)-
local or GMT
set in LOGR SSI
JCLRRST
1-byte containing X'00'.
3-byte journal block number.
4-bytes containing the time the block was written, in hhmmss format. (Local
or GMT set in LOGR SSI.)
4-bytes containing the run start time.
4-bytes containing the date the block was written.
4-byte journal block sequence number.
4
4
4
Run start
Date block
time
written
JCLRDATE
Chapter 27. CICS logging and journaling
Journal block
sequence number
JCLRSEQ
731

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