System for providing an alternative communication path in a...

Details System for providing an alternative communication path in a... System for providing an alternative communication path in a...

2009-04-27

2010-11-16

Baderman, Scott T (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S004110, C714S040000, C714S056000, C713S100000

Reexamination Certificate

active

07836351

ABSTRACT:
The present invention is 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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