Data processing: software development – installation – and managem – Software upgrading or updating
Reexamination Certificate
2005-05-27
2010-06-15
Zhen, Wei Y (Department: 2191)
Data processing: software development, installation, and managem
Software upgrading or updating
C717S121000, C709S214000, C709S217000, C709S226000, C707S793000, C707S793000, C711S113000
Reexamination Certificate
active
07739677
ABSTRACT:
A system and to prevent data corruption due to split brain in shared data clusters includes two or more nodes of a cluster, a shared storage device, and an update manager. The update manager may be configured to maintain a local persistent store corresponding to each node of the cluster. On receiving an update request directed to the shared storage device from a first node, the update manager may be configured to redirect the update to the local persistent store corresponding to the first node. The update manager may be further configured to verify a cluster membership status of the first node, and to transfer the contents of the update from the local persistent store to the shared storage device if the cluster membership verification succeeds.
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Baird Robert
Kekre Anand A.
Kiselev Oleg
Coyer Ryan D
Meyertons Hood Kivlin Kowert & Goetzel P.C.
Symantec Operating Corporation
Zhen Wei Y
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