IBM SC34-7012-01 - Manual (Page 6)

Journal names and journal models. . . . . . 58
Terminal control resources . . . . . . . . 58
Distributed transaction resources . . . . . . 59
URIMAP definitions and virtual hosts . . . . 59
Chapter 6. CICS emergency restart . . 61
Recovering after a CICS failure . . . . . . . . 61
Recovering information from the system log . . 61
Driving backout processing for in-flight units of
work
. . . . . . . . . . . . . . . 61
Concurrent processing of new work and backout 61
Other backout processing .
. . . . . . . . 62
Rebuilding the CICS state after an abnormal
termination
. . . . . . . . . . . . . . 62
Files . . . . . . . . . . . . . . . . 62
Temporary storage . . . . . . . . . . . 63
Transient data . . . . . . . . . . . . 63
Start requests . . . . . . . . . . . . . 64
Terminal control resources . . . . . . . . 64
Distributed transaction resources . . . . . . 65
Chapter 7. Automatic restart
management . . . . . . . . . . . . 67
CICS ARM processing . . . . . . . . . . . 67
Registering with ARM . . . . . . . . . . 68
Waiting for predecessor subsystems . . . . . 68
De-registering from ARM. . . . . . . . . 68
Failing to register . . . . . . . . . . . 69
ARM couple data sets . . . . . . . . . . 69
CICS restart JCL and parameters . . . . . . . 69
Workload policies . . . . . . . . . . . . 70
Connecting to VTAM . . . . . . . . . . . 70
The COVR transaction . . . . . . . . . . 71
Messages associated with automatic restart . . . 71
Automatic restart of CICS data-sharing servers . . 71
Server ARM processing . . . . . . . . . 71
Chapter 8. Unit of work recovery and
abend processing . . . . . . . . . . 73
Unit of work recovery . . . . . . . . . . . 73
Transaction backout . . . . . . . . . . 74
Backout-failed recovery . . . . . . . . . 79
Commit-failed recovery . . . . . . . . . 83
Indoubt failure recovery . . . . . . . . . 84
Investigating an indoubt failure . . . . . . . 85
Recovery from failures associated with the coupling
facility .
. . . . . . . . . . . . . . . 88
Cache failure support . . . . . . . . . . 88
Lost locks recovery . . . . . . . . . . . 89
Connection failure to a coupling facility cache
structure .
. . . . . . . . . . . . . 91
Connection failure to a coupling facility lock
structure .
. . . . . . . . . . . . . 91
MVS system recovery and sysplex recovery . . 91
Transaction abend processing . . . . . . . . 92
Exit code . . . . . . . . . . . . . . 92
Abnormal termination of a task. . . . . . . 93
Actions taken at transaction failure . . . . . . 94
Processing operating system abends and program
checks .
. . . . . . . . . . . . . . . 94
Chapter 9. Communication error
processing . . . . . . . . . . . . . 97
Terminal error processing. . . . . . . . . . 97
Node error program (DFHZNEP) . . . . . . 97
Terminal error program (DFHTEP) . . . . . 97
Intersystem communication failures . . . . . . 98
Part 3. Implementing recovery and
restart
. . . . . . . . . . . . . . 99
Chapter 10. Planning aspects of
recovery
. . . . . . . . . . . . . 101
Application design considerations . . . . . . 101
Questions relating to recovery requirements . . 101
Validate the recovery requirements statement 102
Designing the end user’s restart procedure . . 103
End user’s standby procedures . . . . . . 103
Communications between application and user 103
Security . . . . . . . . . . . . . . 104
System definitions for recovery-related functions 104
Documentation and test plans . . . . . . . . 105
Chapter 11. Defining system and
general log streams
. . . . . . . . 107
Defining log streams to MVS . . . . . . . . 108
Defining system log streams . . . . . . . . 108
Specifying a JOURNALMODEL resource
definition.
. . . . . . . . . . . . . 109
Model log streams for CICS system logs . . . 110
Activity keypointing . . . . . . . . . . 112
Defining forward recovery log streams . . . . . 116
Model log streams for CICS general logs . . . 117
Merging data on shared general log streams . . 118
Defining the log of logs . . . . . . . . . . 118
Log of logs failure . . . . . . . . . . . 119
Reading log streams offline . . . . . . . . 119
Effect of daylight saving time changes . . . . . 120
Adjusting local time . . . . . . . . . . 120
Time stamping log and journal records . . . . 120
Chapter 12. Defining recoverability for
CICS-managed resources . . . . . . 123
Recovery for transactions . . . . . . . . . 123
Defining transaction recovery attributes . . . 123
Recovery for files . . . . . . . . . . . . 125
VSAM files . . . . . . . . . . . . . 125
Basic direct access method (BDAM) . . . . . 126
Defining files as recoverable resources . . . . 126
File recovery attribute consistency checking
(non-RLS)
. . . . . . . . . . . . . 129
Implementing forward recovery with
user-written utilities .
. . . . . . . . . 131
Implementing forward recovery with CICS
VSAM Recovery MVS/ESA
. . . . . . . 131
Recovery for intrapartition transient data . . . . 131
Backward recovery . . . . . . . . . . 131
Forward recovery . . . . . . . . . . . 133
Recovery for extrapartition transient data . . . . 134
iv CICS TS for z/OS 4.1: Recovery and Restart Guide