Prerequisites for configuring and running WebSphere Application Server for z/OS application serving environments are listed below.
The hardware requirements for this product are any hardware that supports z/OS Version 1 Release 4 or later. However, there are significant performance advantages for those applications doing floating point arithmetic if the machine has binary floating point hardware, such as S/390 Parallel Enterprise Server-Generation 5 and later systems.
The LPAR in which the WebSphere Application Server for z/OS runtime and initial application servers run requires a minimum of 512 MB of real storage. You might need to increase the real storage size depending on the size and number of application servers you deploy. In addition, you might want to increase your JES spool space if you use WebSphere Application Server for z/OS tracing options to the SYSPRINT DD data set.
In addition to the DASD volumes used to hold the product code and file system, you will need additional DASD storage to hold configuration data for application serving environments. The amount of storage depends on the number of environments and the size and complexity of the applications being deployed.
WebSphere Application Server for z/OS is a heavy user of auxiliary storage. You might want to add additional paging volumes before configuring application serving environments.
You need to enable, and configure the following z/OS elements, features, and components on each z/OS target system. Consult the WebSphere Application Server for z/OS Program Directory and PSP bucket for any additional required corrective service not listed here. In some cases, this corrective service must be installed on each target system for WebSphere Application Server to start.
If you plan to use . . . | Then you need . . . | Notes . . . |
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WebSphere Application Server for z/OS IMS Connect Version 8 support | IMS/TM 6.1.0 | |
WebSphere Application Server for z/OS CICS Transaction Gateway 5.0.1 support | CICS/TS 1.3 | |
DB2 | DB2 Version 7.1 | DB2 is no longer a prerequisite for WebSphere Application Server for z/OS, though some functions might still require it. For example, session persistence requires an existing database. Check your individual configuration. |
DB2 SQLJ in J2EE application components | DB2 Version 7.1 PTF UQ59527 | DB2 is no longer a prerequisite for WebSphere Application Server for z/OS, though some functions might still require it. For example, session persistence requires an existing database. Check your individual configuration. |
Connectors | WebSphere Application Server for z/OS supports any resource adapter that is designed to use the 1.0 level of the J2EE Connector Architecture (JCA). Install the listed IBM connectors if you want to access your IMS or CICS legacy data. For details on how to define and install a specific connector, see the documentation for that particular connector product. | |
For the CICS Transaction Gateway ECI connector:
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For the IMS Connector for Java:
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For the IMS JDBC Connector:
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