Upgrading from Version 10.2 (10.4.0)

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Before You Upgrade the Domain

Before you upgrade the domain, perform the following pre-upgrade tasks:

Read the Informatica Release Notes.

Split the Domain.

Perform the following tasks to set up the machine to meet the requirements on UNIX:

Verify that the machine has the required operating system patches and libraries.

Verify that the machine meets the minimum system requirements to upgrade the domain.

Verify that the machine meets the hardware requirements to upgrade the application services.

Review the environment variables.

Verify that the operating system meets the file descriptor requirement.

Review the maximum heap size setting.

Extract the installer files.

Run the pre-installation (i10Pi) system check tool.

Run the Informatica Upgrade Advisor.

Back up the Data Transformation Files.

Disable the Analyst Service through Administrator tool or through infacmd DisableService.

Perform the following tasks to prepare the Model repository:

Back up the Model repository.

Verify the user account requirements for the Model repository database.

Perform the following tasks to prepare the Data Integration Service:

Record the execution options for each Data Integration Service process.

Verify that all workflows are complete.

Perform the following tasks to prepare the profiling warehouse:

Use the native database back up option to back up the profiling warehouse.

Verify the user account permissions for the database.

Use the native database back-up option to back up profiling warehouse, reference data warehouse, and workflow database.

Back Up the odbc.ini File for Informatica Cassandra ODBC Driver.

Perform the following tasks to prepare the domain:

Shut down the domain. To shut down the domain, stop the Informatica service process on each node in the domain.

Back up the domain.

Prepare to change the node configuration.

Perform the additional pre-upgrade tasks if you choose to change the node configuration for the following reasons: