RDF System Management Manual for J-series and H-series RVUs (RDF Update 13)

being logically identical is the fraction of a second it takes the extractor and updaters to catch up
with the MAT.
Figure 8 Synchronized Databases During RDF Operations
Primary Backup
Database
T1
T4
T3
T6
T2
T5
MAT
T4 T5 T6
Extractor
Image File Database
T4 T5
T1
T4
T2
T3
Updater
Figure 9 shows synchronized databases where the application is running on \PRIMARY and the
transaction data for the three new transactions has been applied to the backup database.
Figure 9 Synchronized Databases, No Outstanding Audit
Primary Backup
Database
T1
T4
T3
T6
T2
T5
MAT
T4 T5 T6
Extractor Updater
T4 T5 T6
Image File
Database
T1
T4
T3
T6
T2
T5
148 Maintaining the Databases