Electrical computers and digital processing systems: interprogra – Interprogram communication using shared memory
Reexamination Certificate
2011-01-11
2011-01-11
Ho, Andy (Department: 2194)
Electrical computers and digital processing systems: interprogra
Interprogram communication using shared memory
C719S313000
Reexamination Certificate
active
07870557
ABSTRACT:
An apparatus, system, and method for autonomously maintaining a single system image in a parallel systems complex. A computer program product causes the relevant systems in a parallel systems complex to receive requests with a global scope from a user. The request is sent to each IMS system in the sysplex, and each IMS system applies the resource information and logs the resource information for recovery. The request is written to a shared medium which IMS sysplex members can access. When an IMS member is brought online, the IMS member restores status information first from local recovery logs. The IMS member then checks the information against the global medium to determine if requests were issued while the IMS was offline. If so, the IMS inherits the information in the global medium before processing work. An IMS added into the sysplex applies the information from the global medium before processing work.
REFERENCES:
patent: 6950820 (2005-09-01), Bae
patent: 7010576 (2006-03-01), Bae
patent: 7430628 (2008-09-01), Garg et al.
patent: 2004/0044685 (2004-03-01), Huynh et al.
patent: 2004/0158777 (2004-08-01), Bae et al.
patent: 2005/0063300 (2005-03-01), Dominic
patent: 2006/0149790 (2006-07-01), Rusch
patent: 2008/0256238 (2008-10-01), Hu et al.
Klein, “IMS:What's New and What's Next,” IBM Software Group, IMS Technical Symposium, Koenigswinter, Germany Nov. 14-17, 2005.
“IBM Parallel Sysplex Clustering Technology,” International Business Machines Corporation, Armonk, NY.
Sadler, “S55 IMS and RRS Working Together to Coordinate Your Updates,” IBM Corporation, Nordic GSE Riga, Latvia May 23-25, 2005.
Janson, et al. “Soda: A File System for a Multicomputer,” Basser Department of Computer Science, University of Sydney, Australia.
“Real-time Performance Monitoring and diagnostics for SQL Server,” SQL Diagnostic Manager, Idera: Tools for a SQL Server.
Fontaine Jeffrey G.
Grover Dean L.
Ho Claudia S.
Patterson Betty J.
Ricchio Francis J.
Ho Andy
International Business Machines - Corporation
Kunzler Needham Massey & Thorpe
LandOfFree
Apparatus, system, and method for autonomously maintaining a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus, system, and method for autonomously maintaining a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus, system, and method for autonomously maintaining a... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2667106