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This IBM® Redbook is intended to be used as a major reference for designing and creating highly available IBM Tivoli® Workload Scheduler and Tivoli Framework environments. IBM Tivoli Workload Scheduler Version 8.2 is the IBM strategic scheduling product that runs on many different platforms, including the mainframe. Here, we describe how to install ITWS Version 8.2 in a high availability (HA) environment and configure it to meet high availability requirements. The focus is on the IBM Tivoli Workload Scheduler Version 8.2 Distributed product, although some issues specific to Version 8.1 and IBM Tivoli Workload Scheduler for z/OS® are also briefly covered.
When implementing a highly available IBM Tivoli Workload Scheduler environment, you have to consider high availability for both IBM Tivoli Workload Scheduler and IBM Tivoli Management Framework environments, because IBM Tivoli Workload Scheduler uses IBM Tivoli Management Framework's services for authentication. Therefore, we discuss techniques you can use to successfully implement IBM Tivoli Workload Scheduler and IBM Tivoli Management Framework (TMR server, Managed Nodes and Endpoints), and we present two major case studies: High-Availability Cluster Multiprocessing (HACMP) for AIX®, and Microsoft® Windows® Cluster Service.
The implementation of IBM Tivoli Workload Scheduler within a high availability environment will vary from platform to platform and from customer to customer, based on the needs of the installation. Here, we cover the most common scenarios and share practical implementation tips. We also make recommendations for other high availability platforms; although there are many different clustering technologies in the market today, they are similar enough to allow us to offer useful advice regarding the implementation of a highly available scheduling system.
Finally, although we basically cover highly available scheduling systems, we also offer a section for customers who want to implement a highly available IBM Tivoli Management Framework environment, but who are not currently using IBM Tivoli Workload Scheduler.
This redbook was produced by a team of specialists from around the world working at the International Technical Support Organization, Austin Center.
Vasfi Gucer is an IBM Certified Consultant IT Specialist at the ITSO Austin Center. He has been with IBM Turkey for 10 years, and has worked at the ITSO since January 1999. He has more than 10 years of experience in systems management, networking hardware, and distributed platform software. He has worked on various Tivoli customer projects as a Systems Architect and Consultant in Turkey and in the United States, and is also a Certified Tivoli Consultant.
Satoko Egawa is an I/T Specialist with IBM Japan. She has five years of experience in systems management solutions. Her area of expertise is job scheduling solutions using Tivoli Workload Scheduler. She is also a Tivoli Certified Consultant, and in the past has worked closely with the Tivoli Rome Lab.
David Oswald is a Certified IBM Tivoli Services Specialist in New Jersey, United States, who works on IBM Tivoli Workload Scheduling and Tivoli storage architectures/deployments (TSRM, TSM, TSANM) for IBM customers located in the United States, Europe, and Latin America. He has been involved in disaster recovery, UNIX administration, shell scripting and automation for 17 years, and has worked with TWS Versions 5.x, 6.x, 7.x, and 8.x. While primarily a Tivoli services consultant, he is also involved in Tivoli course development, Tivoli certification exams, and Tivoli training efforts.
Geoff Pusey is a Senior I/T Specialist in the IBM Tivoli Services EMEA region. He is a Certified IBM Tivoli Workload Scheduler Consultant and has been with Tivoli/IBM since January 1998, when Unison Software was acquired by Tivoli Systems. He has worked with the IBM Tivoli Workload Scheduling product for the last 10 years as a consultant, performing customer training, implementing and customizing IBM Tivoli Workload Scheduler, creating customized scripts to generate specific reports, and enhancing IBM Tivoli Workload Scheduler with new functions.
John Webb is a Senior Consultant for Tivoli Services Latin America. He has been with IBM since 1998. Since joining IBM, John has made valuable contributions to the company through his knowledge and expertise in enterprise systems management. He has deployed and designed systems for numerous customers, and his areas of expertise include the Tivoli Framework and Tivoli PACO products.
Anthony Yen is a Senior IT Consultant with IBM Business Partner Automatic IT Corporation, <http://www.AutomaticIT.com>, in Austin, Texas, United States. He has delivered 19 projects involving 11 different IBM Tivoli products over the past six years. His areas of expertise include Enterprise Console, Monitoring, Workload Scheduler, Configuration Manager, Remote Control, and NetView®. He has given talks at Planet Tivoli® and Automated Systems And Planning OPC and TWS Users Conference (ASAP), and has taught courses on IBM Tivoli Workload Scheduler. Before that, he worked in the IT industry for 10 years as a UNIX and Windows system administrator. He has been an IBM Certified Tivoli Consultant since 1998.
Thanks to the following people for their contributions to this project:
Octavian Lascu, Dino Quintero
International Technical Support Organization, Poughkeepsie Center
Jackie Biggs, Warren Gill, Elaine Krakower, Tina Lamacchia, Grant McLaughlin, Nick Lopez
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