RDF/IMP, IMPX, and ZLT System Management Manual

Hewlett-Packard Company—524388-002
i
HP NonStop RDF/IMP, IMPX,
and ZLT System Management
Manual
Index Figures Tables
What’s New in This Manual xiii
Manual Information xiii
New and Changed Information xiv
About This Manual xv
Who Should Read This Manual xv
Where to Find Information You Need xvi
Related Reading xvii
Notation Conventions xix
1. Introducing RDF
RDF Subsystem Overview 1-2
Unplanned Outages 1-4
Planned Outages 1-6
Features 1-7
User Interfaces 1-10
Tasks 1-11
RDF Processes 1-13
Primary System Processes 1-14
Backup System Processes
1-14
ZLT Standby System Process
1-14
RDF Operations 1-14
Monitor Process 1-15
Extractor Process 1-15
Audit-Fixup Process 1-18
Receiver Process 1-18
Sorted Image Trails 1-20
Image Trail Buffers and Files 1-20
Updater Processes 1-21
Purger Process 1-24
Reciprocal and Chain Replication 1-26