RDF System Management Manual for J-series and H-series RVUs (RDF 1.10)

Figure 5 Extractor Process Operation
Reading large amounts of data from the MAT, the extractor process stores the following records
for subsequent transmission to the backup system:
• TMF control records
All transaction state records◦
◦ TMP control point records
◦ TMF shutdown records
◦ File-incomplete records
◦ File-complete records
◦ Stop-RDF-Updater records
• Redo audit records for RDF protected files (generated by applications)
• Undo audit records for RDF-protected files (generated by TMF undo processing)
• Filelabel modifications for the following Enscribe DDL operations
CREATE◦
◦ PURGEDATA
◦ ALTER MAXEXTENTS
◦ PURGE (if REPLICATEPURGE is enabled)
• Filelabel modifications for the following NonStop SQL operation
◦ PURGEDATA
NOTE: Except for PURGEDATA, RDF does not replicate NonStop SQL DDL operations on any
SQL objects. For more information about NonStop SQL DDL operations and databases on a system
protected by the RDF product, see Chapter 6 (page 148) and Chapter 16 (page 307).
The extractor filters out all other records and does not send them to the receiver. Among those
filtered out are audit records for volumes and files not protected by RDF (and files implicitly or
explicitly excluded by INCLUDE/EXCLUDE lists), most of the physical audit records generated
38 Introducing RDF