Upgrading Rational ClearQuest

Review the upgrade information and complete optional and required tasks for upgrading Rational® ClearQuest®.

Before upgrading Rational ClearQuest clients and servers, make sure you are prepared:

Complete Rational ClearQuest planning including prerequisite tasks. See Planning the deployment and installation.
Understand how to install and use IBM® Installation Manager and Packaging Utility to manage product installation and upgrade tasks. See Using IBM installation and packaging utilities.
Rational ClearQuest version 8.0.1 requires IBM Installation Manager version 1.6.3 or later. You cannot install or upgrade the product with earlier versions.

Important: If you have not already done so, review the information in Planning your upgrade before starting an Rational ClearQuest installation.

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Table 1. Installation and upgrade tasks
Task	Client and/or Server	Information	Comment
Shut down the servers and databases.	Client Server	Shut down the WebSphere® Application servers for Rational ClearQuest Web servers. Shut down the Rational ClearQuest databases, using the processes specific to each vendor database. Then shut down all other IBM DevOps products.	This action prevents Rational ClearQuest clients from accessing or updating the databases.
Verify that you have a supported version of WebSphere Application Server and IBM HTTP Server installed and configured	Server	Prepare the WebSphere Application Server environment for web servers	Rational ClearQuest requires WebSphere Application Server and IBM HTTP Server 8.0 or 8.5. Before upgrading, seeUpgrade Rational ClearQuest Web Server features: considerations and best practices.
On Windows systems, disable Terminal Services	Server	Disable Terminal Services before installing, upgrading, or modifying Rational ClearQuest
Confirm that your user ID meets the required access privileges for installing the product.	Client Server	User privilege requirements for installing the product	Requirements for Linux and Windows users.
To make products available to non-root users, set the umask variable to 0022, before you install ClearQuest on a Linux or UNIX system.	Client Server	To set the umask variable: Log in as root user. Start a terminal session. Type umask 0022.
Check the downloaded electronic images.	Client Server	Verifying and extracting electronic images
Use the IBM Packaging Utility if you want to install multiple DevOps products in the same repository.	Client Server	IBM Packaging Utility	You can use the Packaging Utility to perform the following tasks: Generate a new repository for packages Copy packages to a new repository Delete packages that are no longer needed
For best results, before you work with your DevOps product, increase the number of file handles available.	Client Server	Increasing the number of file handles on Linux workstations	How to set a limit to a number significantly larger than 1024.
Verify that the user or administrator upgrading the product has the required access privileges.	Client Server	User privilege requirements for installing the product
Upgrade licensing software	Client Server	Installing License Key Administrator Note: This step is required only when upgrading from version 7.0.x or 7.1.1 to version 8.0.1 or later. If the license server is not upgraded, thenRational ClearQuest 8.x users cannot contact the license server. If you are upgrading from version 7.1.2, this step is not required. Version 7.1.2 uses Rational Common Licensing 8.1.1, which is compatible with this release.	This step is required only when upgrading from version 7.0.x or 7.1.1 to version 8.0.1.
Windows Only: Install DevOps License Key Administrator (LKAD)	Client Server	Installing License Key Administrator
Install Rational ClearQuest silently. Note: This step is optional unless you are installing on a platform that does not use the GUI.	Client Server	Installing silently Sample response files used for silent installations:	Information about silent installations.
Optionally, manually run the commands install, start, and uninstall for Installation Manager.	Client Server	IBM Installation Manager tasks
Upgrade Rational ClearQuest by using Installation Manager.	Client Server	Installing the product package using the Installation Manager GUI	Description of the screens you will see in Installation Manager when installing Rational ClearQuest.
UpgradeRational ClearQuest Web server features:	Server	See Upgrade Rational ClearQuest Web Server features: considerations and best practices	You can upgrade these server components. Rational ClearQuest Web Server Full-Text Search Server Report Launcher for Rational ClearQuest Report Launcher for Crystal Reports Multisite Shipping Server The Rational ClearQuest Web Server and reporting features are installed in the same profile. These components must all be upgraded at the same time.
Upgrade synchronization and DevOps Shipping Servers.	Server	Rational ClearQuest MultiSite Installation	You must upgrade all of your synchronization servers and shipping servers at the same time.