IBM SC34-7012-01 User Manual

Page 264

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system log stream

basic definition 104

system logs

log-tail deletion 114

system or abend exit creation 95
system recovery table (SRT)

definition of 104
user extensions to 95

system warm keypoints 27
systems administration

for BWO 208

T

tables

for recovery 104

task termination, abnormal 94

DFHPEP execution 94
DFHREST execution 93

task termination, normal 93
temporary storage

backout 136
forward recovery 136
implicit enqueuing upon 157
recoverability 136
used for intertransaction

communication 146

temporary storage table (TST)

definition of 105

terminal error program (TEP)

sample 98

terminal error recovery 97
terminal I/O errors, recovery

terminal error program immediate

shutdown 28

terminal paging through BMS 148
termination and initialization exit

for transaction backout 161

testing recovery and restart

programs 105

tie-up record 215
time changes 120
TPEND 39
TPURGE option (DEFINE

TRANSACTION) 124

trademarks 244
transaction 141
transaction abend processing 73

ASRA abend code 94
exit code at program levels 92
program error program (PEP)

user coding 164

program-level exit code 92
task termination, abnormal 93

DFHPEP execution 94
DFHREST execution 93

task termination, normal 93
transaction backout 74

transaction backout 74

backout failure support 79
backout failures 74
BDAM files 75
data tables 76
entry-sequenced data set (ESDS) 75
files 75
ROLLBACK 74
START requests 76

transaction backout (continued)

temporary storage 76
transient data 76

transaction backout during emergency

restart

XRCINIT (initialization and

termination) exit 161

transaction failure

facilities to be invoked 149
overview 10

transaction failure processing

task termination, abnormal 94

transaction failure program (TFP) 94
transaction list table (XLT) 26

definition of 105

transaction restart 93

decision to use after DTB 151

transactions allowed during normal

shutdown 26

TRANSID operand

use of 148

transient data queues 105

for large amounts of data 149

transient data trigger level 148
transient data, extrapartition

recovery 134

transient data, intrapartition

backout 132
forward recovery 133
implicit enqueuing upon 157
recoverability 132
used for intertransaction

communication 146

TSAGE operand

of DFHTST macro 105

TST (temporary storage table)

definition of 105

type-of-restart indicator

emergency-restart-needed 29
operation of 34
warm-start-possible 26

U

uncontrolled shutdown 30
unit of recovery (see unit of work) 13
unit of work

atomic 20
managing state of 18
overview 13
short units of work preferred 143
shunt 17
shunted state 13
unshunt 17

unit of work recovery 73
updates to local resources 19
URIMAP definition 61
user abend exit creation 163
user exits

emergency restart 160
transaction backout 160

user journals 23
user log record recovery program

exits 160

V

virtual host 61
VSAM CI (or CA) split

effect on BWO 205

VSAM exclusive control 156
VSAM files

forward recovery considerations 125
transaction backout 75

VSAM RLS

batch operations 167

VSAM upgrade set

effect on BWO 212

VTAM

persistent sessions support 38, 39, 40

W

warm restart

rebuilding the CICS state 53
requirements for restart 53
START=AUTO 53

Web services 136
WMQ persistent messages 136

X

XCF/MRO

MVS failure 9

XFCNREC

overriding open failures 130

XLT (transaction list table) 26

definition of 105

XRC 234
XRCINIT global user exit 161
XRF 39

252

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

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