16
Use InfiniBand Partitions in Exalogic
Physical Environments
This chapter describes how to use InfiniBand partitions for network isolation on
Exalogic's InfiniBand fabric in the Exalogic physical environment.
Note:
If you are connecting your Exalogic machine to Oracle Exadata Database
Machine on the same InfiniBand fabric, you must use the default partition for
data traffic between Exalogic machine and Oracle Exadata Database Machine.
In this scenario, if you wish to implement network isolation, you can
configure IP subnets on the default IPoIB network interface.
In addition, see Important Notes for Combined Exalogic-Exadata Fabric Users
for more information about using partitions in this scenario.
This chapter contains the following sections:
• Overview of Partitioning
• Understand Partition Keys
• Before You Begin
• Move from a Default Partition to a Custom Partition
• Create an IPoIB Partition and Adding Ports
• Delete a Partition
• Create a Partition for EoIB and Associating the pkey with a VNIC and VLAN
• Perform the Post-Configuration Steps
• Important Notes for Combined Exalogic-Exadata Fabric Users
• Partitioning Limitations
16.1 Overview of Partitioning
An InfiniBand partition defines a group of InfiniBand nodes that are allowed to
communicate with one another. You can use InfiniBand partitions to increase security
by implementing network isolation on Exalogic machine's InfiniBand fabric. In
addition, you can associate InfiniBand nodes with specific VLANs.
An InfiniBand node can be a member of multiple partitions. When a packet arrives at a
compute node, the partition key (pkey) of the packet is matched with the Subnet
Use InfiniBand Partitions in Exalogic Physical Environments
16-1
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