Method for fencing shared resources from cluster nodes
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United States of America Patent
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Sep 7, 2010
Grant Date -
N/A
app pub date -
Feb 28, 2001
filing date -
Feb 28, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are provided for managing access to resources that are shared by a cluster of nodes. One aspect of the invention is to require verification that a quorum is a valid quorum prior to enforcing the access rights specified by a node that is a member of the group of nodes holding the quorum. Further, the verification that a quorum is a valid quorum prior to enforcing access rights occurs only if the quorum associated with the specified access rights is suspected to be invalid.
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