3 System Requirements

3.1.1 Processor

The gateway requires any AS/400 processor that supports a version of OS/400 that is currently supported by IBM.

3.1.2 Memory

For most installations, a minimum of 7 MB of virtual memory on the AS/400 side is recommended to support each active user of the Oracle Transparent Gateway for DB2/400.

The total virtual memory requirement for each concurrent use of the gateway depends on the following factors:

• number of concurrent TCP/IP connections opened by each user

• number of data items being transferred between the gateway and the remote transaction program

• additional factors, such as configured network buffer size

3.1.3 CD-ROM Drive

A CD-ROM drive is required.

3.1.4 Disk Space

Permanent disk space of about 225 MB is required for installation of this product. Installation of further (cloned) instances of the product at the same level use approximately 76 MB each. The actual installation may required an additional 150 MB of temporary disk space.

These numbers are for initial conditions. The disk space can be reduced by running the REMOVEOBS procedure (refer to Section 4.5, "Postinstallation Steps"). After running REMOVEOBS, each gateway instance will use 70 MB, and the common objects (service programs and the National Language files) will use approximately 236 MB.

3.2.1 Operating System Requirements

This gateway requires any current version of OS/400 that is supported (with maintenance) by IBM.

The RUNSQLSTM command that is found in 5722-ST1 "SQL Development Kit" is needed when creating one instance from another (cloning an instance). It is not needed for an initial installation from an Oracle distribution medium (CD-ROM or file).

3.2.2 Oracle Integrating Server

The Oracle server that is to act as the Oracle integrating server requires the Oracle Database 10g server or Oracle9i server. The Oracle integrating server should be running with the latest released patch set for Oracle Database 10g server, Oracle9i server, or Oracle8i server (release 8.1.7 or later).