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46 DB2 Manager User Guide
StorageTek Proprietary
Control region components
The control region must be initialized in order to enable DB2 Manager to
access migrated rows, and to allow migration of rows from DB2 to Archive
Manager.
Figure 4 illustrates the structure of the control region and the migrated row
access mechanism. This also shows the MLPA/FLPA-resident SQL
intercept processor OTDBP300, which must be defined as a DB2 row edit
procedure for each table which is to be enabled for migration processing by
DB2 Manager. OTDBP300 will pass any request which requires access to a
migrated row to the DB2 Manager control region, and wait for processing of
the request to complete before returning control to the calling application.
Figure 4: Structure of DB2 Manager control region
control
region
request
schedulers
disk
reader
tasks
writer
tasks
control
region
control
processor
control region
housekeeping
task
DB2 Manage
r
control region
FLPA/MLPA storage
OTDBP300
SQL
intercept
processor
tape
reader
tasks
DB2
Archive
Manager
databases