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Business Continuity of a SAP production system is a critical business factor. It requires the highest possible level of system availability.
Continuous availability combines the characteristics of high availability (the ability to avoid unplanned outages by eliminating single points of failure) and continuous operation (the ability to avoid planned outages, such as for administrative or maintenance work). The goal is to keep the SAP system running 24x365.
The objectives of the IBM High Availability Solution for SAP are:
- Eliminating planned outages and providing continuous availability of the SAP system to end users
- Minimizing the effects of unplanned outages
- Reducing operator errors
- Monitoring the status of SAP application components
In order to achieve these objectives, the High Availability solution uses IBM Tivoli System Automation for z/OS (SA z/OS) ,IBM Tivoli System Automation for Multiplatforms (SA MP) and IBM Tivoli System Automation Application Manager for z/OS (SA AM). SA can automatically discover system, application, and resource failures in a cluster. It uses sophisticated, policy-based knowledge about application components and their relationships, and availability goals to decide on corrective actions within the right context. SA z/OS manages availability of business applications, running in single systems and clusters under z/OS, whereas SA MP does the same for single systems and clusters under Linux for System z, AIX, and others. SA AM is the end-to-end management application. It enables you to manage your heterogenous SAP solution from a single application.
The IBM High Availability Solution for SAP provides the means for fully automating the management of all SAP components and related products running on z/OS, AIX, Windows, or Linux.
Read more details in the IBM publication entitled Business Continuity for SAP on IBM System z, SC33-8206-02. This book incorporates and updates the information provided in the IBM book High Availability for SAP on zSeries Using Autonomic Computing Technologies, SC33-8206-01, and other related publications. A download is available from the "Documentation" link on the left.
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