Planning to upgrade Db2 clients

Planning the upgrade of your clients requires that you review all of the applicable upgrade prerequisites, pre-upgrade tasks, upgrade tasks and post-upgrade tasks.

To create an upgrade plan for your Db2 clients:

1. Write the upgrade plan for Db2 clients, using all the details that apply to your environment:

   Table 1. Upgrade plan details for Db2 clients.

   Upgrade plan	Details
   Prerequisites	Ensure that you: Meet the Installation requirements for Db2 database products.. Resolve any support issues in Upgrade essentials for clients including client and server connectivity. Meet all prerequisites for the upgrade task and subtasks, especially obtaining root or Local Administrator access and required Db2 authorization.
   Pre-upgrade tasks	Include the following tasks: Upgrade Db2 servers Backing up client configuration information Use the db2ls command to confirm the version of Db2 currently running on your client. For more information, see ../../com.ibm.db2.luw.admin.cmd.doc/doc/r0023668.html In addition, check the list of Pre-upgrade tasks for clients for optional tasks that you might want to perform for your environment such as Upgrading clients in a test environment.
   Upgrade task	You must include these steps: Install Db2 version 12.1 client Upgrade client instance Review the following upgrade tasks to determine the additional steps that are required to upgrade your environment: Upgrading to Data Server Client (Windows) Upgrading to Data Server Runtime Client (Windows) Upgrading clients (Linux and UNIX)
   Post-upgrade tasks	Include the following tasks: Review Db2 server behavior changes Verifying your client upgrade was successful

2. Combine with the upgrade plan for other components such as Db2 servers, database applications, and routines to create an overall upgrade plan for your Db2 environment.