IBM SC34-7012-01 Part 3. Implementing recovery and, restart, Communication error, processing

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Journal names and journal models

. 58

Chapter 9. Communication error

 

 

 

Terminal control resources

.

58

processing

 

.

97

Distributed transaction resources

.

59

Terminal error processing

.

97

URIMAP definitions and virtual hosts . . .

. 59

Node error program (DFHZNEP)

. 97

 

 

 

Chapter 6. CICS emergency restart . . 61

Terminal error program (DFHTEP) . . . .

. 97

Intersystem communication failures

.

98

Recovering after a CICS failure

.

61

 

 

 

 

Recovering information from the system log .

. 61

 

 

 

 

Part 3. Implementing recovery and

 

 

 

Driving backout processing for in-flight units of

 

 

 

 

 

 

 

restart

 

.

99

work

.

61

 

Concurrent processing of new work and backout

 

61

Chapter 10. Planning aspects of

 

 

 

Other backout processing

.

62

 

 

 

Rebuilding the CICS state after an abnormal

 

62

recovery

101

termination

Application design considerations

 

.

101

Files

62

 

Questions relating to recovery requirements .

 

. 101

Temporary storage

.

63

 

Validate the recovery requirements statement

 

 

102

Transient data

.

63

 

 

Designing the end user’s restart procedure .

 

. 103

Start requests

.

64

 

End user’s standby procedures

 

. 103

Terminal control resources

.

64

 

Communications between application and user

 

103

Distributed transaction resources

.

65

 

Security . . . . . . . . . . . . . . 104

 

 

 

Chapter 7. Automatic restart

 

 

System definitions for recovery-related functions

 

 

104

 

 

Documentation and test plans

 

.

105

management . . . . . . . . . . . . 67

Chapter 11. Defining system and

 

 

 

CICS ARM processing

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67

 

 

 

Registering with ARM

.

68

general log streams

107

Waiting for predecessor subsystems . . . .

. 68

Defining log streams to MVS

 

.

108

De-registering from ARM

.

68

 

Defining system log streams

 

.

108

Failing to register

.

69

 

Specifying a JOURNALMODEL resource

 

 

 

ARM couple data sets

.

69

 

 

 

definition

 

.

109

CICS restart JCL and parameters

.

69

 

Model log streams for CICS system logs . .

 

. 110

Workload policies

.

70

 

Activity keypointing

 

.

112

Connecting to VTAM

.

70

 

Defining forward recovery log streams . . . .

 

. 116

The COVR transaction

.

71

 

Model log streams for CICS general logs . .

 

. 117

Messages associated with automatic restart . . . 71

 

Merging data on shared general log streams .

 

. 118

Automatic restart of CICS data-sharing servers .

. 71

 

Defining the log of logs

 

.

118

Server ARM processing

.

71

 

Log of logs failure

 

.

119

 

 

 

 

Chapter 8. Unit of work recovery and

 

 

Reading log streams offline

 

.

119

 

 

Effect of daylight saving time changes . . . .

 

.

120

abend processing

 

73

Adjusting local time

 

.

120

Unit of work recovery

.

73

Time stamping log and journal records . . .

 

.

120

Transaction backout

.

74

Chapter 12. Defining recoverability for

 

 

Backout-failed recovery

.

79

 

 

Commit-failed recovery

.

83

CICS-managed resources

. 123

Indoubt failure recovery

.

84

Recovery for transactions

 

.

123

Investigating an indoubt failure

.

85

 

Defining transaction recovery attributes . .

 

.

123

Recovery from failures associated with the coupling

 

 

 

 

 

Recovery for files

 

.

125

facility

.

88

 

VSAM files

 

.

125

Cache failure support

.

88

 

Basic direct access method (BDAM) . . . .

 

. 126

Lost locks recovery

.

89

 

Defining files as recoverable resources . . .

 

.

126

Connection failure to a coupling facility cache

 

 

 

 

 

File recovery attribute consistency checking

 

 

 

structure

.

91

 

 

 

(non-RLS)

 

.

129

Connection failure to a coupling facility lock

 

 

 

 

 

Implementing forward recovery with

 

 

 

structure

.

91

 

 

 

user-written utilities

 

.

131

MVS system recovery and sysplex recovery .

. 91

 

Implementing forward recovery with CICS

 

 

 

Transaction abend processing

.

92

 

 

 

VSAM Recovery MVS/ESA

 

. 131

Exit code

.

92

 

Recovery for intrapartition transient data . . .

 

.

131

Abnormal termination of a task

.

93

 

Backward recovery

 

.

131

Actions taken at transaction failure

.

94

 

Forward recovery

 

.

133

Processing operating system abends and program

 

 

 

 

 

Recovery for extrapartition transient data . . .

. 134

checks

.

94

 

 

 

 

ivCICS TS for z/OS 4.1: Recovery and Restart Guide

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IBM SC34-7012-01 manual Part 3. Implementing recovery and, Communication error, processing, CICS emergency restart