Oracle Exalogic Elastic Cloud, Owner'S Manual

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Note:
For information about administering and configuring IPMP groups on the
Oracle Solaris operating system installed on Exalogic compute nodes, see
Oracle Solaris 11.1 documentation.
6.6.5 Connectivity Between Exalogic Compute Nodes
Compute nodes in the Exalogic machine are connected to one another through dual-
ported InfiniBand quad data rate (QDR) host channel adapters (HCAs). Each HCA has
an IP address, and active-passive bonding is configured. The active port of the HCA
connects to an Sun Network QDR InfiniBand Gateway Switch, and the passive port of
the HCA connects to another Sun Network QDR InfiniBand Gateway Switch in the
Exalogic machine.
Note:
For more information about network connectivity in different Exalogic
machine configurations, see Cabling Diagrams .
6.6.6 Connectivity Between Exalogic Machine and External LAN Through Sun Network
QDR InfiniBand Gateway Switch
The Sun Network QDR InfiniBand Gateway Switches also act as gateways to connect
to Ethernet networks, and they support eight 10 GB Ethernet ports. These ports can be
accessed by Exalogic compute nodes through the InfiniBand network through EoIB.
You can create multiple VLANs per each of these Ethernet ports.
Each Exalogic compute node can access one or more Ethernet ports on two Sun
Network QDR InfiniBand Gateway Switches (NM2-GW), for HA purposes. An
Exalogic machine full rack includes 4 gateway switches. Therefore, a group of 8
compute nodes in the Exalogic machine full rack can access one Ethernet port on both
the primary gateway switch and the secondary gateway switch that the group of
compute nodes is connected to. Each port is represented as an EoIB vNIC at the
compute nodes. Each compute node has two bonded vNICs (active/passive).
Note:
You can configure up to eight compute nodes to use a single 10 GB Ethernet
port.
For information about creating a VNIC for Ethernet connectivity, see
Configure Ethernet Over InfiniBand .
This section discusses the following topics:
• Ethernet Device Requirements
• Network Interface Configuration for Compute Nodes
• Transceiver and Cable Requirements
Introduction to Oracle Exalogic Network Configuration
Understand Network Requirements and Configuration 6-13