Migration Information › Product Subsystems

Product Subsystems

CA SYSVIEW no longer requires you to define an MVS subsystem entry as in releases of CA SYSVIEW before Release 13.5. Nor does it use or dynamically create an MVS subsystem entry.

A SYSVIEW subsystem ID now associates with each instance or installation of CA SYSVIEW. The subsystem ID is used to define or determine the system configuration parameters.

Use the following guidelines:

• Use a four-character SYSVIEW subsystem ID that associates with each instance or installation of CA SYSVIEW. This subsystem ID defines or determines the system configuration parameters.

  Default SYSVIEW subsystem ID: GSVX

  Note: We recommend using the default of GSVX unless you use multiple instances of CA SYSVIEW on the same system.

• Specify the SYSVIEW subsystem ID as a parameter on each invocation of CA SYSVIEW. You can specify the parameter differently depending on the type of invocation.
• Use the user replaceable module, GSVBSSID, only when the subsystem ID is not provided as a parameter on the invocation of SYSVIEW. GSVBSSID contains the default SYSVIEW subsystem name.

Library Concatenation

A CA SYSVIEW installation is comprised of several types of libraries or data sets designed to contain a specific type of data. This library is referred to as a library type(libtype).

A library type can consist of multiple data sets. These data sets dynamically concatenate when a read request is made for the specified library type.

Only one data set can be defined for each data set type. Therefore, a maximum of three data sets can be concatenated.

If defined, the data sets are concatenated in the following order:

libtype	DD DISP=SHR,DSN=user.data.set
	DD DISP=SHR,DSN=site.data.set
	DD DISP=SHR,DSN=system.data.set

The possible data set types are:

User (Optional)

The optional user-defined data sets contain definitions or overrides to site or system definitions.

The users define and maintain the user data set names in their CA SYSVIEW profile.

Site (Optional)

The optional site defined data sets contain definitions or overrides to system definitions.

The site data set names are defined in the CA SYSVIEW System Configuration Options member: GSVXGSVX

The system configuration options member must be located in the concatenation of the z/OS system parmlib data sets.

Example: SYS1.PARMLIB

System

The required system defined data sets contain definitions or configuration options. The set of system data sets contains the original members the product installation delivered. The system data set names are defined in the CA SYSVIEW System Configuration Options member: GSVXGSVX

The system configuration options member must be located in the concatenation of the z/OS system parmlib data sets.

Example: SYS1.PARMLIB

For more information, see the following help topic: Library concatenation - USER, SITE, and SYSTEM