Databases Reference
In-Depth Information
How It Works
The Exadata compute servers communicate with the storage servers in the storage grid over InfiniBand. Additionally,
the Oracle 11gR2 RAC cluster interconnect runs on the same InfiniBand network and over the same InfiniBand
switches.
There are typically very few administrative tasks required on the InfiniBand switches. Periodically, as you
patch Exadata, you may encounter the tasks of upgrading firmware on the InfiniBand switches. This has the effect of
updating the firmware version and potentially changing the OpenSM configuration.
Both the storage servers and compute servers are dual-port connected to each of two InfiniBand leaf switches in
an Exadata rack. In both cases, a bonded InfiniBand interface is created and enabled on the server.
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