Understanding the Software Configurations
■
PCIe slot 14, port 1 (standby)
A single data address is used to access these two physical ports. That data address allows traffic
to continue flowing to the ports in the IPMP group, even if one of the two 10-GbE NICs fail.
Note - You can also connect just one port in each IPMP group to the 10-GbE network rather
than both ports, if you are limited in the number of 10-GbE connections that you can make to
your 10-GbE network. However, you will not have the redundancy and increased bandwidth in
this case.
InfiniBand Network
The connections to the InfiniBand network vary, depending on the type of domain:
■
Database Domain:
■
Storage private network: Connections through P1 (active) on the InfiniBand HCA
associated with the first CPU in the domain and P0 (standby) on the InfiniBand HCA
associated with the last CPU in the domain.
For example, for the first Large Domain in a Full Rack, these connections would be
through P1 on the InfiniBand HCA installed in slot 3 (active) and P0 on the InfiniBand
HCA installed in slot 12 (standby).
■
Exadata private network: Connections through P0 (active) and P1 (standby) on all
InfiniBand HCAs associated with the domain.
So, for a Large Domain in a Full Rack, connections will be made through the four
InfiniBand HCAs associated with the domain, with P0 on each as the active connection
and P1 on each as the standby connection.
■
Application Domain:
■
Storage private network: Connections through P1 (active) on the InfiniBand HCA
associated with the first CPU in the domain and P0 (standby) on the InfiniBand HCA
associated with the last CPU in the domain.
For example, for the first Large Domain in a Full Rack, these connections would be
through P1 on the InfiniBand HCA installed in slot 3 (active) and P0 on the InfiniBand
HCA installed in slot 12 (standby).
■
Oracle Solaris Cluster private network: Connections through P0 (active) on the
InfiniBand HCA associated with the second CPU in the domain and P1 (standby) on the
InfiniBand HCA associated with the third CPU in the domain.
For example, for the first Large Domain in a Full Rack, these connections would be
through P0 on the InfiniBand HCA installed in slot 11 (active) and P1 on the InfiniBand
HCA installed in slot 4 (standby).
76 Oracle SuperCluster T5-8 Owner's Guide • May 2016
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