How to migrate existing input data sets

Overview

This information unit describes how to:

Prepare the input data sets before migrating them
Migrate the input data sets using the HCD dialog
Migrate the input data sets using the HCD batch utilities
Replace existing configuration data through migration
Change I/O configurations by editing data sets
Understand and resolve errors that occurred during migration

HCD allows you to migrate existing configuration data that was defined in IOCP, MVSCP, and HCPRIO input data sets to an IODF.

You can also use the migration to create I/O definitions by editing control statements. Data sets containing the statements corresponding to a specific IODF can be generated using a batch utility. Refer to Build I/O configuration data for details on which data sets can be built and how to run the build process.

When migrating from input data sets, HCD checks the syntax of the input statements and runs a validation process that checks that the definitions being migrated do not conflict with the I/O configuration rules and with existing definitions in the IODF or with other definitions being migrated.

If HCD detects an error in the input data sets, it issues messages after the migration process has ended.

Note:

The migration function has a prerequisite to the High Level Assembler.

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