Software Logistics 

Software Logistics standardizes and automates software distribution and maintenance as well as test procedures for complex software landscapes and various software development platforms. These functions support your project, development, and application support teams.

Software Logistics aims to implement a consistent, cross-solution change management that provides several procedures for maintenance, global rollouts, and localization, as well as open integration with products offered by third-party organizations.

Quality and Test Management

New TREX releases are always tested internally using a predefined test package with a standard test landscape and with verifiable test data. In particular, the handling of mass data (mass tests), load restrictions (stress tests), and the performance of TREX are checked. The test package calls test atoms in the form of Python scripts that test the basic functionality of TREX and are stored in the following directory:

●     UNIX

/usr/sap/<sapsid>/TRX<instance_number>/exe/python_support

●     Windows

<disk_drive>:\usr\sap\<SAPSID>\TRX<instance_number>\exe\python_support

When you have installed TREX, you execute the Python script runInstallationTest.py that is used to test the basic TREX functions. This script calls a subset of TREX test atoms to check the functional correctness of TREX. If the Python script is executed successfully, you know that TREX has been installed properly, the configuration files contain the necessary entries, and the TREX servers are running.

Transport TREX Data and Configuration

On the TREX side, the data exists in the form of indexes that are built from the original data in the application using TREX. Therefore, TREX indexes are redundant copies of the application data. The TREX indexes can be restored from the original data at any time. There are no data transports for TREX that are comparable with the usual procedures for SAP systems and that you could use to transport TREX data and configuration settings from a development system through a consolidation system to a production system. However, you can use Python scripts to copy TREX indexes and configuration files back and forth between servers (for example, as part of a script-based backup and restore procedure; see Data Backup and Restore for TREX). There are customer-specific solutions that make transports of this type possible for your specific situation. In the case of a data transport of this type, you must always copy the application data consistently with the TREX data. A procedure of this type is expressly not recommended by TREX and therefore not supported.

Release and Upgrade Management and Support Packages

The documentation below supports you in the installation, upgrade, and migration of TREX.

Make sure that you use the current version of the TREX guides. You can find them on the SAP Service Marketplace at service.sap.com/instguidesNW2004s

Guide	Description
The SAP NetWeaver 2004s Search and Classification (TREX) Multiple Hosts installation guide	For installation and configuration of distributed TREX systems
SAP NetWeaver 2004s Search and Classification (TREX) Single Host installation guide	For single-host installation of TREX
Support Package Stack Guides – SAP NetWeaver	For updates to a new support package stack

Central Update of a System Landscape By Replicating the Binaries

In a distributed TREX system, you perform an update on the TREX host on which the central TREX instance and the global file system were installed. In this case, the central TREX instance selected is updated first and then once TREX is restarted, all TREX dialog instances in a TREX system landscape are updated automatically by replication of the current binaries.

Implementation of SAP Notes

The following SAP Notes contain current installation information and corrections to the installation documentation.

Make sure that you use the current version of the SAP Notes. You can find SAP Notes on the SAP Service Marketplace at service.sap.com/notes.

Relevant SAP Notes

SAP Note	Title	Comment
843360	Installing TREX 7.0	Contains current information on installation of SAP NetWeaver 2004s TREX
802987	TREX 7.0: Central Note	Central SAP Note on SAP NetWeaver 2004s TREX
492305	INST: SAP J2EE Engine / Dialog Inst. / Gateway Inst. 6.20	Relevant for an installation with an RFC connection: Contains current information on the SAP Gateway installation.
658052	TREX 6.0/6.1/7.0: Additional Information About TREX ABAP Client	Relevant for an installation with an RFC connection: Contains recommendations for using the queue server and information on which application uses which version of the ABAP client. This information is relevant for configuration steps after the TREX installation.