4 Installing Oracle Database Gateway for Informix

This chapter provides information about the hardware and software requirements and the installation procedure for Oracle Database Gateway for Informix.

To install the gateway, follow these steps:

Ensure that the system meets all of the hardware and software requirements specified in "System Requirements for Oracle Database Gateway for Informix" .
Run the Oracle Universal Installer.

See "Step Through the Oracle Universal Installer" section for more information about running the Oracle Universal Installer.

Oracle Universal Installer is a menu-driven utility that guides you through the installation of the gateway by prompting you with action items. The action items and the sequence in which they appear depend on your platform.

See Table 4-2 for a description of the installation procedure of Oracle Database Gateway for Informix.

4.1 System Requirements for Oracle Database Gateway for Informix

This section provides information about the hardware and software requirements for the gateway. It contains the following sections:

"Hardware Requirements"
"Software Requirements"

4.1.1 Hardware Requirements

Table 4-1 lists the minimum hardware requirements for Oracle Database Gateway for Informix.

Table 4-1 Hardware Requirements for Oracle Database Gateway for Informix

Requirement	For Microsoft Windows (32-bit)	For Microsoft Windows (64-bit)
Total disk space	4 GB	5 GB
Physical Memory	1 GB of real memory is recommended to support the gateway. The total real memory requirement for the concurrent use of the gateway also depends on these factors: The SQL statement processed by the user The number of cursors currently opened against Informix The number of columns in the table being accessed	Minimum of 1 GB
Virtual memory	Double the amount of RAM	Double the amount of RAM
Video adapter	256 colors	256 colors
Processor	550 MHz minimum(On Microsoft Windows Vista, 800 MHz minimum)	AMD64, or Intel Extended memory (EM64T)

4.1.1.1 Checking the Hardware Requirements

To ensure that the system meets the minimum requirements, follow these steps:

Determine the physical RAM size. For a computer using Microsoft Windows 2000, for example, open System in the control panel and select the General tab. If the size of the physical RAM installed in the system is less than the required size, then you must install more memory before continuing.
Determine the size of the configured swap space (also known as paging file size). For a computer using Microsoft Windows 2000, for example, open System in the control panel, select the Advanced tab, and click Performance Options.

If necessary, then see your operating system documentation for information about how to configure additional swap space.
Determine the amount of free disk space on the system. For a computer using Microsoft Windows 2000, for example, open My Computer, right-click the drive where the Oracle software is to be installed, and select Properties.
Determine the amount of disk space available in the temp directory. This is equivalent to the total amount of free disk space, minus what will be needed for the Oracle software to be installed.

If there is less than 125 MB of disk space available in the temp directory, then first delete all unnecessary files. If the temp disk space is still less than 125 MB, then set the TEMP or TMP environment variable to point to a different hard drive. For a computer using Microsoft Windows 2000, for example, open the System control panel, select the Advanced tab, and click Environment Variables.

4.1.2 Software Requirements

Oracle Database Gateway for Informix is supported on the following Microsoft Windows (32-Bit) operating systems:

Microsoft Windows 2000 with Service Pack 1 or later. All editions, including Terminal Services and Microsoft Windows 2000 MultiLanguage Edition (MLE), are supported.
Microsoft Windows Server 2003 - all editions
Microsoft Windows Server 2003 R2 - all editions
Microsoft Windows XP Professional
Microsoft Windows Vista - Business, Enterprise, and Ultimate editions
Microsoft Windows 2008

Microsoft Windows Multilingual User Interface Pack is supported on Microsoft Windows XP Professional and Microsoft Windows Server 2003.

Oracle Database Gateway for Informix is supported on the following Microsoft Windows (64-bit) operating systems:

Microsoft Windows Server 2003 - all x64 editions
Microsoft Windows Server 2003 R2 - all x64 editions
Microsoft Windows XP Professional x64 Edition
Microsoft Windows Vista x64 - Business, Enterprise, and Ultimate editions
Microsoft Windows 2008 x64

4.1.2.1 Certified Configurations

The gateway supports Informix Dynamic Server. For the latest versions supported refer to the OTN Web site:

http://www.oracle.com/technetwork/database/gateways/certmatrix-168347.pdf

4.2 Step Through the Oracle Universal Installer

Table 4-2 describes the installation procedure for Oracle Database Gateway for Informix.

Table 4-2 The Oracle Universal Installer: Steps for Installing the Gateway

Screen	Response
Oracle Universal Installer: Welcome	Click Next.
Oracle Universal Installer: Specify Home Details	Specify a name for the installation in the Name field. You can also choose not to edit the default setting of the Name field of the Specify Home Details screen. The Path field in the Specify Home Details screen is where you specify the destination for your installation. You need not edit the path specification in the Path field. The default setting for this field points to `ORACLE_HOME`. After you set the fields in the Specify Home Details screen as necessary, click Next to continue. After loading the necessary information from the installation, the Oracle Universal Installer displays the Available Products screen.
Oracle Universal Installer: Available Product Components	a. Select Oracle Database Gateway for Informix 11.2. b. Click Next.
Oracle Database Gateway for Informix	Informix Database Server Host Name - Specify the host name of the machine hosting the Informix database server. Informix Database Server Port number - Specify the port number of the Informix database server Informix Server Name - Specify the Informix server name Informix Database Name - Specify the Informix database name Click Next to continue.
Oracle Universal Installer: Summary	The Installation Summary screen enables you to review a tree list of options and components for this installation. Click Install to start installation.
Oracle Net Configuration Assistant: Welcome	Click Cancel.
Oracle Net Configuration Assistant:	Click Yes.
Oracle Universal Installer: Configuration Tools	Click Exit.
Exit	The final screen of the Oracle Universal Installer is the End of Installation screen. Click Exit to exit the installer.

The gateway is now installed.

When the Oracle Universal Installer confirms that the installation is complete, verify that the installation procedure was successful. To do this, read the contents of the installation log file, which is located in the C:\Program Files\Oracle\Inventory\logs directory.

The default file name is InstallActionsYYYY-MM-DD_HH-mm-SS-AM/PM.log, where:

YYYY is year

MM is month

DD is day

HH is hour

mm is minute

SS is seconds

AM/PM is daytime or evening

Each of these variables in the log file name represents the date and time the product was installed.