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Systems management for Coordinated Resource Recovery

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4 Author(s)
R. B. Bennett ; IBM Data Systems Division, P.O. Box 6, Endicott, New York 13760, USA ; W. J. Bitner ; M. A. Musa ; M. K. Ainsworth

Coordinated Resource Recovery is a Virtual Machine/Enterprise Systems Architecture™ (VM/ESA™) function for providing consistency of changes to multiple resources in environments that include distributed applications. It provides a uniform solution for applications to the problem of resource consistency. Systems management of Coordinated Resource Recovery in VM/ESA (CRR) is the set of system services and interfaces that support both automatic and manual procedures for managing CRR installation, performance, and recovery, as well as resource manager and application participation. Much of systems management is focused on application recovery from occasional failures of the procedures for coordinating consistent resource changes. This paper describes several key aspects of CRR systems management, including the CRR recovery log, facilities for minimizing manual intervention when failures occur, performance considerations, and application participation in recovery.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:30 ,  Issue: 1 )