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Initial state:
ÎYou have a VSAM file that contains data
(i.e. FFSTORES.DEMO.CLUSTER)
ÎYou have applications that work with that VSAM file
(i.e. FFST CICS Application)
Goal:
ÎRedirect all VSAM requests to DB2 UDB on Windows
ÎAccess the data with existing applications (without changing them)
NOTE: The VSAM Redirector Server does NOT require the
VSE Connector Client on Windows
STEP4.1: Define a map
To move the data into a database, you must know the format of the records.
Therefore you must do a mapping containing all fields including their offset in
the record, length and type.
– Start the VSE Navigator, connect to the VSAM host, and navigate to the VSAM
cluster FFSTORES.DEMO.CLUSTER.
– Right click the Cluster, choose "Create map definition". Enter a name for the
map, e.g. "MAP"
– Right click on the map, choose "Change map definition":
Chapter4: Redirect VSAM requests
to a DB2 database on Windows
VSE/ESA 2.6
Apache
TCP/IP
CICS
Transaction
batch
Redirector server
Redirector client
VSAM Request
VSAM
Program
HTML
page
DB2 UDB
HandlerHandler