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Fabric
For redundancy, InfiniBand Host Channel Adapters (HCAs) can be dual-connected to a redundant pair
of Topspin 270s.
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 non-blocking switch element architecture with full bi-directional bandwidth
for the switch chassis.
About the Topspin 270 Chassis
An overview of the Topspin 270 hardware features are described in this section.
Diagram of the Chassis
Figure 1-1: Front Chassis View without Bezel