System for providing an alternative communication path in a SAS cluster
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United States of America Patent
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Jun 23, 2009
Grant Date -
Aug 24, 2006
app pub date -
Feb 24, 2005
filing date -
Feb 24, 2005
priority date (Note) -
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Abstract
The present invention is directed to a system and method for supporting an alternative peer-to-peer communication over a network in a SAS cluster when a node cannot communicate with another node through a normal I/O bus (Serial SCSI bus). At startup, driver may establish the alternative path for communication but may not use it as long as there is an I/O Path available. In the present invention, two types of P2P calls, such as event notification calls and cluster operation calls may be supported.
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