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Oracle® Fabric OS 1.0.2 Administration Guide

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Updated: November 2016
 
 

IB Features

The IB interconnect is controlled by the following features:

  • IB ports – IB ports provide switching for the fabric. See Understanding Ports.

  • IB nodes – The three types of IB nodes include channel adapters, switches, or routers.

  • SM, Trusted MKey, and Untrusted MKey tables – These SM management key tables initialize and configure network switches. All SM groups in the fabric must be configured with the same readable M_KEY value.

  • Jumbo frames – Increases the throughput for Oracle FCAs. Set the jumbo frames before you create a public network. Up to 10,000 jumbo frames are supported for an Ethernet gateway. For the syntax, refer to set system in Oracle Fabric OS 1.0.2 Command Reference.

  • Subnet and subnet partitions – You can create a subnet or a subnet partition. A change to a subnet partition affects the whole subnet.

  • SM group – The SM group manages the switching tables within the IB fabric. When there are multiple SM groups on a subnet, an election algorithm determines which SM group will be the master group. The SM group is responsible for the following actions:

    • Discovering the physical topology of the subnet.

    • Assigning a priority.

    • Assigning group members.

    • Assigning LIDs (to the end nodes, switches, or routers).

    • Establishing possible paths among the end nodes.

    • Sweeping the subnet, discovering topology changes and managing changes as switches are added and deleted.

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