This section contains the following topics:
Each Oracle Business Intelligence Machine includes an InfiniBand card, such as the 2-port QDR InfiniBand Host Channel Adapter (HCA).
For the Exalytics X2-4 and X3-4 models the InfiniBand card is installed in PCIe Slot 6. For the Exalytics X4-4, X5-4 and X6-4 models the InfiniBand card is installed in PCIe Slot 4.
You may use any spare 5-meter InfiniBand cables included in your Oracle Exadata Database Machine. If you need assistance, contact Oracle support personnel. You need these cables for connecting your Oracle Business Intelligence Machine to an Oracle Exadata Database Machine on the same InfiniBand fabric.
Oracle Exadata Database Machine includes two 36-port InfiniBand leaf switches (Sun Datacenter QDR InfiniBand Switch 36). These two switches located in the middle of the rack are referred to as leaf switches. A spine switch is included in unit 1 of Oracle Exadata Database Machine Full Rack and Half Rack configurations.
Note:
In this document, the leaf switch located in the lower unit of the Oracle Exadata Database Machine rack is referred to as leaf 1. The leaf switch located above leaf 1 in the Oracle Exadata Database Machine rack is referred to as leaf 2.
For more information about Oracle Exadata Database Machine's rack layout and hardware components, see the Oracle Exadata Database Machine Owner's Guide.