OPLOGGING FOR ONLINE RECOVERY IN DIRECT CONNECTION CLIENT SERVER SYSTEMS

OPLOGGING FOR ONLINE RECOVERY IN DIRECT CONNECTION CLIENT SERVER SYSTEMS

Clients are permitted to directly attach to a client server system. An oplog management system tracks changes as clients make the changes to control structures of the direct connection client server system. The Oplogging system stores changes in oplogs. Then, if a client fails, the Oplogging system...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOANG, CHI-KIM, VERMA, SANJAY, MCAULIFFE, MARK, LAWRENCE, EDSON, KIRK, MEREDITH
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Clients are permitted to directly attach to a client server system. An oplog management system tracks changes as clients make the changes to control structures of the direct connection client server system. The Oplogging system stores changes in oplogs. Then, if a client fails, the Oplogging system can repair the control structures, either by undoing the changes made by the client, or else completing the changes in place of the client; depending upon principles defined.