RDF/IMP and IMPX System Management Manual (RDF 1.3+)

Introducing RDF
Compaq NonStop™ RDF/IMP and IMPX System Management Manual—522204-001
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Sorted Image Trails
Sorted Image Trails
RDF maintains its image data on disk volumes specified during RDF configuration. On
each of these volumes, the collection of files that contains image data is known as an
image trail; that is, there is one image trail per individual image trail volume.
Figure 1-5. Receiver Process Operation
Receiver
Expand Lines
28 KB Per Message
From Extractor
Database
Volumes
Updaters
Database
Volumes
Updaters
Database
Volumes
Updaters
Image
File
56 KB Buffers
Audit data sorted by
destination volume,
transmitted by
56 KB writes
Disk n
(nth Image Trail)
Disk 2
(2nd Image Trail)
Image
File
56 KB Buffers
Disk 1
(1st Image Trail)
Image
File
56 KB Buffers
56 KB Buffers
Backup Node
Master
Image
File