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Installing
These topics describe how to install HCL Informix® database servers, client products, and DataBlade® modules.
Informix® server
These topics describe how to install HCL Informix® database servers.
Installing Informix®
The Informix® Installation Guide describes how to install, configure, and initialize the HCL Informix database server.
Preparing for installation
Before you install Informix® database server products, you must prepare your system and plan for choices that you must make during the installation process.
Installation options
The primary way to install the Informix® database server is with an interactive installation that prompts you to configure installation properties. After your run an interactive installation, you can run non-interactive installations that are based on the original installation.

Installing
These topics describe how to install HCL Informix® database servers, client products, and DataBlade® modules.
- Informix® server
  These topics describe how to install HCL Informix® database servers.
  - Installing Informix®
    The Informix® Installation Guide describes how to install, configure, and initialize the HCL Informix database server.
    - Preparing for installation
      Before you install Informix® database server products, you must prepare your system and plan for choices that you must make during the installation process.
      - Informix® components
        When you install the HCL Informix® database servers, you can also install related products, such as client APIs and other Informix products.
      - Software Requirements
        Before you install the HCL Informix® server, make sure that your computer meets these software requirements.
      - Installation owner
        The owner of the Informix® database server depends on the privileges of the user who runs the installation application. The owner of the server creates and controls all other user accounts that can access the database server.
      - Database server upgrades
      - Installation directory
        You can use the default installation directory for the database server when you run the installation application, or you can create a directory before you install and then select that directory during installation.
      - Installation options
        The primary way to install the Informix® database server is with an interactive installation that prompts you to configure installation properties. After your run an interactive installation, you can run non-interactive installations that are based on the original installation.
      - Event auditing
        If you choose a custom setup, you can enable event auditing. Event auditing tracks selected activities that users perform. You can improve the security of your event-auditing procedures by configuring role separation, which provides members of certain group identifiers (group IDs) on your system the privileges to manage and examine auditing records. Role separation provides increased database security because the database server separates administrative tasks into mutually exclusive roles.
      - Exclude database server components
        If you choose a custom setup, you can minimize the size of the database server on disk by excluding some components. Reducing the size of the installation can be useful if you plan to embed the database server in other systems or applications.
      - Database server configuration during installation
        You can choose to create and configure a database server during installation. The database server is configured by the choices that you make in the installation application. After installation is complete, disk space for the database server is initialized and the database server is started.
    - Running an interactive installation
      You can install the Informix® database server by running the interactive installation application. You can choose a typical or a custom setup.
    - Running non-interactive installations
      You can run non-interactive installations after you first run an interactive installation during which you create an installation template.
    - Installation command syntax
      You can include options to the installation command when you run the command from the command line.
    - Installation troubleshooting
      Installation log files and return codes can provide helpful information about a completed installation or help you identify problems encountered during an installation attempt.
    - Creating a database server after installation
      You create a database server by setting mandatory database server properties and then starting the database server.
    - Stopping and starting the database server
      Various configuration tasks require you to stop and then start the database server. Shared memory is initialized every time that the database server starts.
    - Microsoft failover clustering support (Windows)
      HCL Informix® database server supports Microsoft™ Failover Cluster (known as Microsoft Cluster Server, or MSCS, in earlier Windows™ releases). That built-in feature of the Windows operating system can automatically detect and respond to server or application failure, and can balance server workloads.
    - Multiresidency
      Multiple residency refers to multiple database servers and their associated shared memory and disk structures that coexist on a single computer.
    - Removing or modifying Informix® installations
      You can remove Informix® products.
- Client products
  These topics describe how to install HCL Informix® client products.
- DataBlade modules
  These topics describe how to install HCL Informix® DataBlade® modules.
- Informix® warehouse accelerator
  These topics describe how to install HCL Informix® warehouse accelerator.

Installation options

The primary way to install the Informix® database server is with an interactive installation that prompts you to configure installation properties. After your run an interactive installation, you can run non-interactive installations that are based on the original installation.

Interactive database server installation setup options

An interactive database server installation has the following setup options:

Typical installation

Recommended. You install the database server with all associated components, Informix® Client Software Development Kit, and the Informix® JDBC Driver.

Custom installation

You can minimize the size of the database server on disk by excluding unneeded features and products.

You can choose which client products to install. To determine whether you need to install client products, see Informix® Client Products Installation Guide.

You can set up auditing through role separation.

You can prepare for a silent installation by creating a response file.

UNIX, Linux, Mac OS X: Legacy installation

You have the same options as a custom installation, plus the product files are extracted to create a script-based non-interactive installation.

Linux: RPM installation: You have the same options as a custom installation, plus an RPM image is generated to create an RPM non-interactive installation.

For all setup options, you have the following choices:

Whether to create a configured database server during installation. The database server that is created during installation differs slightly for a typical or custom installation. If you do not create a database server during installation, you must manually configure and start the database server after installation.
The location of the installation directory.
The identity of the installation owner.

Non-interactive installation methods

Non-interactive installation methods, such as a silent installation or a script-based installation, are based on the results of interactive installation or on an existing database server installation.