Fast failover with multiple secondary nodes

作者: Angshuman Bezbaruah , Niranjan S. Pendharkar , Anand A. Kekre

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摘要: A method, system, computer and program product to quickly synchronize replicas of data stored at multiple secondary nodes upon failure a primary node. Secondary which an update in region storage area is sent are identified. When all the have acknowledged update, notification each nodes. Respective indicator(s) (e.g., “outstanding update” or “out sync” indicators) can be set indicate that changed respective region(s) one when has been received The reset for by node Data synchronized with either indicator region.

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