RDF/IMP and IMPX System Management Manual (RDF 1.4+)
Hewlett-Packard Company—524388-001
i
HP NonStop RDF/IMP and IMPX
System Management Manual
Index Figures Tables
What’s New in This Manual xi
Manual Information xi
New and Changed Information xii
About This Manual xv
Who Should Read This Manual xv
Where to Find Information You Need xvi
Related Reading xvii
Your Comments Invited xviii
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
RDF Operations 1-14
Monitor Process 1-15
Extractor Process 1-15
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