What is the primary interface for interacting with LOADXREF?

The primary interface for LOADXREF is through JCL. Users submit JCL jobs that specify the input load libraries and the desired output options. There are no interactive command-line interfaces or APIs for direct interaction.

Does LOADXREF offer any APIs for integration?

LOADXREF does not expose any APIs. It is designed to be used as a batch utility, and all interactions are performed through JCL. There is no support for REST, SOAP, or native APIs.

How is LOADXREF configured?

Configuration is primarily managed through JCL parameters. Users specify the load libraries to be scanned, the output dataset names, and the report formatting options within the JCL. There are no separate configuration files.

How does LOADXREF provide business value?

LOADXREF helps in understanding software dependencies by providing detailed information about load modules. This information is crucial for impact analysis during software changes, ensuring that all dependent modules are identified and updated.

How does LOADXREF help in managing software versions?

By providing compile and link-edit dates, LOADXREF helps in identifying the age of load modules. This information can be used to assess the need for recompilation or relinking, ensuring that the software is up-to-date and compatible with the environment.

How does LOADXREF aid in resource planning?

LOADXREF assists in identifying the languages used in load modules (COBOL, PL/I, etc.). This information is essential for managing the skills and resources needed to maintain the software. It helps in planning for future development and support.

How does LOADXREF help in debugging and performance tuning?

LOADXREF provides insights into the compile options used for CSECTs. This information is valuable for understanding how the code was built and can be crucial for debugging and performance tuning. It helps in optimizing software performance.

What authentication methods are supported?

LOADXREF does not have built-in authentication mechanisms. Access control is managed at the z/OS system level through security products like RACF or ACF2. Users must have appropriate permissions to submit JCL and access the load libraries.

What access control model is used?

Access control is handled through the z/OS security infrastructure (RACF, ACF2). LOADXREF itself does not implement an access control model. Users' access to load libraries and datasets is governed by the security policies defined in these systems.

What encryption is used and where?

LOADXREF does not perform encryption. Security relies on the underlying z/OS security features for protecting the load libraries and datasets. Data is not encrypted within the utility itself.

What audit/logging capabilities exist?

LOADXREF does not have built-in audit logging capabilities. Auditing is managed through the z/OS system and the security products (RACF, ACF2). Any actions performed by LOADXREF are subject to the auditing policies configured in these systems.

What are the main operational tasks for LOADXREF?

LOADXREF is a batch utility, and its operation is managed through JCL. The primary operational tasks involve submitting JCL jobs, monitoring job execution, and reviewing the generated reports. There is no ongoing maintenance beyond these tasks.

How is LOADXREF monitored?

Monitoring LOADXREF involves checking the job logs for completion status and any error messages. The system operator can monitor the job queue and review the output datasets for successful report generation. There are no specific monitoring tools.

What are the main configuration parameters?

The main configuration parameters are specified in the JCL. These include the input load library names, output dataset names, and report formatting options. There are no external configuration files to manage.

What performance tuning options are available?

LOADXREF does not have specific performance tuning parameters. Performance is primarily dependent on the z/OS system resources and the size of the load libraries being scanned. Optimizing JCL and system resources can improve performance.

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LOADXREF

GSF Software Active z/OS

Program and Load Libraries Tools and Utilities

Vendor

GSF Software

Product Overview

LOADXREF's architecture centers around a batch processing model on z/OS. The main component is the `LOADXREF` program, which is invoked via JCL. The program reads load modules from the input load libraries specified in the `SYSLIB` DD statements.

The communication between components is managed through standard z/OS I/O operations. The utility does not use any external databases or storage mechanisms beyond the datasets used for input and output. The input load libraries are accessed via the `SYSLIB` DD statement, and the output reports or datasets are written to the `REPORT` DD statement.

The JCL parameters control the input and output. For example: ```jcl //LOADXREF JOB ... dataset,DISP=(NEW,CATLG),...

``` Security is provided by the z/OS security infrastructure. The utility does not have built-in authentication or encryption. The primary network requirement is access to the z/OS system.

There are no specific ports or network protocols used by LOADXREF itself. The utility's functionality is self-contained within the z/OS environment.

Frequently Asked Questions

What is LOADXREF and what does it do?

LOADXREF is a batch utility designed to scan load libraries on z/OS systems. It analyzes load modules to extract information about their contents, including CSECTs, compile dates, link-edit dates, and the languages used. This information aids in understanding and managing software dependencies.

How does LOADXREF work?

LOADXREF operates as a batch job. Users submit JCL (Job Control Language) that specifies the load libraries to be scanned and the desired output format. The utility then processes the load modules and generates reports containing the extracted metadata.

What information about CSECTs does LOADXREF provide?

LOADXREF provides information about the CSECTs (Control Sections) within load modules. This includes the names of the CSECTs, the languages in which they were compiled (COBOL, PL/I, etc.), and the compile options used. This data is crucial for impact analysis during software changes.

What output formats does LOADXREF support?

The output from LOADXREF can be formatted in various ways, including reports and datasets. Users can specify the output format in the JCL. The reports typically include details such as module names, CSECT information, compile dates, and link-edit dates.

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