Single nodename cluster system for fibre channel
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United States of America Patent
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Jan 3, 2012
Grant Date -
N/A
app pub date -
Apr 26, 2006
filing date -
Apr 26, 2006
priority date (Note) -
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Abstract
A system and method provides a single system image for a clustered storage network including techniques for processing data access commands between storage appliances over the cluster interconnect. The system is configured such that the cluster is assigned a single world wide nodename. Requests coming to the cluster from client initiators are directed to one or the storage appliances in the cluster, i.e. the “receiving” storage appliance. Commands received by the receiving storage appliance are examined to determine LUN value(s) in the request. If the LUN value is associated with a local storage device, the request is processed by the receiving storage appliance. If the LUN value is not associated with the receiving storage appliance, the request is conveyed over the cluster interconnect to the partner storage appliance to be processed and the appropriate data written or retrieved.
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