Coupling facility form field help for Db2 SCA structure
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The Db2 Shared Communication Area (SCA) is a list structure in the coupling facility that contains:
- Member names.
- BSDS names.
- Database exception status conditions about objects in the database.
- Recovery information, such as log data set names and the list of in doubt XA transactions.
CFSizer estimates the size of a Db2 SCA List structure based on the total number of database tables in your environment. To calculate the size of a Db2 SCA List structure provide the following input data:
- Total number of databases
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Use this input parameter to specify the total number of databases in your Db2 environment for the coupling facility Db2 SCA list structure. The number must be greater than zero.
- Total number of tables
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Use this input parameter to specify the total number of tables in your Db2 environment for the coupling facility Db2 SCA list structure. The number must be greater than zero.
For more information, see Installing, migrating and enabling Db2 data sharing in IBM Knowledge Center.
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