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Fabric
For redundancy, InfiniBand Host Channel Adapters (HCAs) can be
In an InfiniBand fabric that includes more than one Topspin 270: if the subnet manager on the Topspin 270 that is acting as the master fails, another subnet manager will take over within seconds. All necessary state information is kept in sync.
Non-Blocking Architecture
The Topspin 270 provides
About the Topspin 270 Chassis
An overview of the Topspin 270 hardware features are described in this section.