Method for highly available transaction recovery for transaction processing ...

(54) METHOD FOR HIGHLY AVAILABLE TRANSACTION RECOVERY FOR TRANSACTION PROCESSING SYSTEMS

(75) Inventors: Priscilla C. Fung, Union City, CA (US);

Alexander J. Somogyi, Bernardsville,
NJ (US)

(73) Assignee: BEA Systems, Inc., Redwood Shores, CA(US)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.

This patent is subject to a terminal disclaimer.

(21) Appl.No.: 11/495,239

(22) Filed: Jul. 28, 2006

(65) Prior Publication Data

US 2006/0271814 Al Nov. 30, 2006

Related U.S. Application Data

(63) Continuation of application No. 10/341,207, filed on Jan. 13, 2003, now Pat. No. 7,152,181.

(60) Provisional application No. 60/359,226, filed on Feb. 22, 2002.

(51) Int. CI.

G06F11/00 (2006.01)

(52) U.S. CI 714/4; 714/10

(58) Field of Classification Search 714/4,

714/10

See application file for complete search history. (56) References Cited

U.S. PATENT DOCUMENTS

4,714,996 A 12/1987 Gladneyetal.
5,163,148 A 11/1992 Walls
5,612,865 A 3/1997 Dasgupta

A highly available transaction recovery service migration system in accordance with one embodiment of the present invention implements a server's Transaction Recovery Service (TRS) as a migratable service. In one embodiment of the present invention, the TRS is a server instance or software module implemented in JAVA. The TRS migrates to an available server that resides in the same cluster as the failed server. The migrated TRS obtains the TLOG of the failed server, reads the transaction log, and performs transaction recovery on behalf of the failed server. The migration may occur manually or automatically on a migratable services framework. The TRS of the failed server migrates back in a fail back operation once the failed primary server is restarted. Failback operation may occur whether recovery is completed or not. This expedites recovery and improves availability of the failed server thereby preserving the efficiency of the network and other servers.

26 Claims, 9 Drawing Sheets

Page 2

U.S. PATENT DOCUMENTS

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* cited by examiner