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10.2 Set Up Ethernet Over InfiniBand (EoIB) on Oracle Linux
To set up Ethernet over InfiniBand connectivity for an Exalogic compute node running
Oracle Linux, complete the following steps:
1.
Use an SSH client, such as PuTTY, to log in to a Sun Network QDR InfiniBand
Gateway Switch. Oracle recommends that you log in as the
root
user. For
example, log in to
el01gw04
as
root
.
2.
At the command prompt, run the following command:
el01gw04# listlinkup | grep Bridge
The following is an example of the output of the
listlinkup
command:
Connector 0A-ETH Present
Bridge-0 Port 0A-ETH-1 (Bridge-0-2) up (Enabled)
Bridge-0 Port 0A-ETH-2 (Bridge-0-2) up (Enabled)
Bridge-0 Port 0A-ETH-3 (Bridge-0-1) up (Enabled)
Bridge-0 Port 0A-ETH-4 (Bridge-0-1) up (Enabled)
Bridge-0 Port 1A-ETH-1 (Bridge-1-2) down (Enabled)
Bridge-0 Port 1A-ETH-2 (Bridge-1-2) down (Enabled)
Bridge-0 Port 1A-ETH-3 (Bridge-1-1) up (Enabled)
Bridge-0 Port 1A-ETH-4 (Bridge-1-1) up (Enabled)
From this output, identify the uplinks. You can determine that you can use any of
the following Ethernet connectors for creating a VNIC:
•
0A-ETH-1
•
0A-ETH-2
•
0A-ETH-3
•
0A-ETH-4
•
1A-ETH-3
•
1A-ETH-4
Note:
This procedure uses
1A-ETH-3
as an example.
3.
Determine GUIDs of the Exalogic compute node that requires the VNIC, as
follows:
a.
On the compute node that requires the VNIC, log in as
root
, and run the
ibstat
command on the command line. For example, log in to
el01cn01
as
root
.
Example :
el01cn01# ibstat
CA 'mlx4_0'
CA type: MT26428
Number of ports: 2
Firmware version: 2.7.8100
Hardware version: b0
Set Up Ethernet Over InfiniBand (EoIB) on Oracle Linux
10-2 Oracle Exalogic Elastic Cloud Machine Owner's Guide