Welcome
Upgrading and migrating
Learn how to upgrade and migrate data for the product.
Upgrade DevOps Code ClearCase®
Read these topics for information about planning your upgrade, installing software, and configuring your environment after upgrading.
Plan your upgrade
Before you begin upgrading the DevOps Code ClearCase® and DevOps Code ClearCase MultiSite software, learn about the upgrade process, complete any prerequisite tasks, and create an upgrade plan.
Important notes for planning DevOps Code ClearCase® upgrades
Before you begin the upgrade process, review information about known issues and limitations, gathering required information, and completing any necessary system configuration changes.
ClearCase® MultiSite upgrade notes
Before you upgrade DevOps Code ClearCase® MultiSite, review the important information about upgrade procedures and requirements.

Overview
Learn general information about the product.
Installing
Learn how to install the product.
Upgrading and migrating
Learn how to upgrade and migrate data for the product.
- DevOps Code ClearCase® Release Notes
  The release notes provide you with information that you might want to know before you install the product.
- Upgrade DevOps Code ClearCase®
  Read these topics for information about planning your upgrade, installing software, and configuring your environment after upgrading.
  - Plan your upgrade
    Before you begin upgrading the DevOps Code ClearCase® and DevOps Code ClearCase MultiSite software, learn about the upgrade process, complete any prerequisite tasks, and create an upgrade plan.
    - Requirements
      Review the requirements information to identify system requirements, prerequisite tasks, and other information needed to successfully install or upgrade DevOps Code ClearCase® and DevOps Code ClearCase MultiSite
    - Back up environment resources
      When upgrading DevOps Code ClearCase®, back up critical resources before you begin the upgrade. These back up files can help you recover any information, files, or configurations that might be lost or corrupted during the upgrade.
    - Upgrade VOB schema version and raise the feature level
      Check the VOB schema version and determine whether to upgrade the schema version and raise the feature level after you upgrade DevOps Code ClearCase®.
    - Migrating from Change Management (CM) Server to CCRC WAN Server
      When you upgrade from ClearCase® version 7.x to version 8.x or later, migrate the Change Management (CM) Server to the CCRC WAN Server, which replaces the CM Server in ClearCase version 8.0 and later.
    - Important notes for planning DevOps Code ClearCase® upgrades
      Before you begin the upgrade process, review information about known issues and limitations, gathering required information, and completing any necessary system configuration changes.
      - ClearCase® on Linux and UNIX upgrade notes
        Before upgrading DevOps Code ClearCase® on a Linux or UNIX operating system, review the system requirements on the IBM Software Product Compatibility Reports site for the version of the product that you have and complete any required upgrade planning tasks.
      - ClearCase® on Windows upgrade notes
        Before upgrading DevOps Code ClearCase®, review known issues and limitations, gather required information, and complete any necessary system configuration changes.
      - ClearCase® MultiSite upgrade notes
        Before you upgrade DevOps Code ClearCase® MultiSite, review the important information about upgrade procedures and requirements.
      - ClearCase® and ClearQuest® OSLC integrations upgrade notes
        Before you upgrade an environment that uses the ClearQuest® OSLC REST API to communicate between ClearCase® UCM and ClearQuest, review the important information about upgrade procedures and requirements.
      - Plan support for ACL-enabled VOBs
        Create a plan to add support for ACL authorization of VOBs and VOB objects. Adding support requires installing DevOps Code ClearCase® on client hosts, enabling ACL authorization support, and setting up ACL rules.
    - Enterprise software installation strategies
      DevOps Code ClearCase® can be installed by using an enterprise strategy.
    - ClearTeam® Explorer installation planning
      Install the ClearTeam® Explorer web client to access and modify resources under DevOps Code ClearCase® source control through dynamic views or web views.
    - DevOps Code ClearCase® MultiSite installation
      Review requirements and other considerations to consider when planning the installation of the DevOps Code ClearCase® MultiSite.
    - Manage licensing for DevOps Code ClearCase®
      Determine whether to manage licensing with IBM Common Licensing, DevOps Code ClearCase®, or Asynchronous licensing.
    - Verify that the required Linux™ software packages are installed
      Instructions for verifying whether the required software packages are installed on your system depend on which version of Linux™ you are running.
  - Upgrade DevOps Code ClearCase® with the Installation Manager
    Use IBM® Installation Manager to upgrade and modify DevOps Code ClearCase® product features in an existing installation.
  - Importing permanent authorized user keys
    Using email, file attachments, or LKAD to import permanent authorized user license keys.
  - Returning or moving license keys
    If you must upgrade your license keys, replace an old license server, or move the license keys to another computer, you must perform a floating or authorized user license key return transaction in License Key Center.
  - Installing License Key Administrator
    On Windows platforms, download and install License Key Administrator for managing licenses with IBM Common Licensing.
  - Installation Manager install methods
    You can install and manage product installations with Installation Manager by using any of these methods: silently from a response file, from the Linux or UNIX console, or from the Installation Manager wizard.
  - Prepare the WebSphere® Application Server environment
    Before you install or upgrade DevOps Code ClearCase® web features, install or upgrade to a supported version of IBM® WebSphere Application Server, IBM HTTP Server, and Web Plug-ins for IBM WebSphere.
  - Migrating from ClearCase® Remote Client
    If you upgraded to ClearCase version 8.x or later from ClearCase version 7.1.x, you must migrate from CM Server to CCRC WAN server and migrate from the DevOps Code ClearCase® Remote client to ClearTeam Explorer.
  - Integrating DevOps Code ClearCase® with Cadence Virtuoso
    The DevOps Code ClearCase® Cadence Virtuoso Integration is available as a separate extension offering and can be independently installed and uninstalled using IBM Installation Manager. This mechanism allows you to upgrade the integration bits without the need to upgrade the underlying ClearCase.
  - Configure your environment after installation or upgrade
    For some types of DevOps Code ClearCase® and DevOps Code ClearCase MultiSite hosts, some configuration tasks are required after you complete a product installation or upgrade operation.
- Use IBM® installation and packaging utilities
  Use IBM installation and packaging utilities to download and install IBM® software.
Administering
Learn how to administer the product.
Developing
Learn how to develop software with DevOps Code ClearCase® and ClearCase Remote Client.
Managing change and releases
Learn how to manage change and release in the product.
Integrating
Learn how to integrate DevOps Code ClearCase® with other products.
Tutorials
Complete tutorials with specific learning objectives for the product.
Extending product function
Learn how to extend the product.
Reference
Review reference information for the product.
Glossary

DevOps Code ClearCase® MultiSite upgrade notes

Before you upgrade DevOps Code ClearCase® MultiSite, review the important information about upgrade procedures and requirements.

You must upgrade DevOps Code ClearCase® on your DevOps Code ClearCase® registry server host before you upgrade it on any other DevOps Code ClearCase® host, particularly DevOps Code ClearCase® MultiSite VOB replica servers.

If you plan to host ACL-enabled VOBs in your DevOps Code ClearCase® MultiSite environment, see Planning support for ACL-enabled VOBs and VOB objects.