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terminology explained 8
Transactional VSAM
CF versus DASD-only log stream 90
coupling facility failure 107
criticality of data 85
dependency on system logger 102
description 81
duplexing considerations 86
Forward recovery log stream 83
LOG(ALL) 84
LOG(NONE) 83
LOG(UNDO) 84
sizing cnsiderations 86
Forward recovery log stream definition 89
Forward recovery log stream sizing method 87
IGDSMS definition 88
IGWLOG.SYSLOG 83, 90
IGWLOG.SYSLOG CFRM definitions 90
IGWSHUNT.SHUNT 90
IGWSHUNT.SHUNTLOG 83
log stream naming convention 82
log stream permanent full condition 106
log stream sizing 85
log stream sizing elements 86
LOG_OF_LOGS log stream definition 89
log-of-logs log stream 84
managing Undo log stream 83
missing data in the log stream 104
monitoring offload 104
performance considerations 109
subsystem failure 109
system logger failure 107
temporary log stream full condition 105
Undo log 83
sizing consideration 86
Undo log description 83
Undo log sizing method 87
Transactional VSAM log stream
consideration for dedicated structure for the Undo logs 93
IGWLOG DASD-only definition 98
IGWSHUNT DASD-only definition 98
security definitions 101
Tuning
Auto journals 195
Forward recovery 195
User journals 195
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