13.3 RDMA Network Fabric Cabling for Oracle Exadata Database Machine X10M

This topic contains RDMA Network Fabric cabling details for Oracle Exadata Database Machine X10M.

The RDMA Network Fabric leaf switches are located in rack units 20 and 22 for Oracle Exadata Database Machine X10M.

The following table describes the connections between the servers and the RDMA Network Fabric leaf switches in an Oracle Exadata Database Machine X10M rack that is fully populated with database servers and storage servers. All connections in this table use QSFP28 100G cables that are 3 meters long.

In the following tables, UN denotes the rack unit location, where U42 is at the top of the rack and U1 is at the bottom of the rack.

Table 13-2 RDMA Network Fabric Cabling for Oracle Exadata Database Machine X10M Servers and Leaf Switches

From Server in Rack Unit	Server Port	To RDMA Network Fabric Switch in Rack Unit	RDMA Network Fabric Switch Port
U41	PCIe Slot 5, Port 2	U22	15
U41	PCIe Slot 5, Port 1	U20	15
U39	PCIe Slot 5, Port 2	U22	08
U39	PCIe Slot 5, Port 1	U20	08
U37	PCIe Slot 5, Port 2	U22	09
U37	PCIe Slot 5, Port 1	U20	09
U35	PCIe Slot 5, Port 2	U22	10
U35	PCIe Slot 5, Port 1	U20	10
U33	PCIe Slot 5, Port 2	U22	11
U33	PCIe Slot 5, Port 1	U20	11
U31	PCIe Slot 5, Port 2	U22	12
U31	PCIe Slot 5, Port 1	U20	12
U29	PCIe Slot 5, Port 2	U22	13
U29	PCIe Slot 5, Port 1	U20	13
U27	PCIe Slot 5, Port 2	U22	14
U27	PCIe Slot 5, Port 1	U20	14
U25	PCIe Slot 5, Port 2	U22	16
U25	PCIe Slot 5, Port 1	U20	16
U23	PCIe Slot 5, Port 2	U22	18
U23	PCIe Slot 5, Port 1	U20	18
U18	PCIe Slot 5, Port 2	U22	20
U18	PCIe Slot 5, Port 1	U20	20
U16	PCIe Slot 5, Port 2	U22	22
U16	PCIe Slot 5, Port 1	U20	22
U14	PCIe Slot 5, Port 2	U22	23
U14	PCIe Slot 5, Port 1	U20	23
U12	PCIe Slot 5, Port 2	U22	24
U12	PCIe Slot 5, Port 1	U20	24
U10	PCIe Slot 5, Port 2	U22	25
U10	PCIe Slot 5, Port 1	U20	25
U8	PCIe Slot 5, Port 2	U22	26
U8	PCIe Slot 5, Port 1	U20	26
U6	PCIe Slot 5, Port 2	U22	27
U6	PCIe Slot 5, Port 1	U20	27
U4	PCIe Slot 5, Port 2	U22	28
U4	PCIe Slot 5, Port 1	U20	28
U2	PCIe Slot 5, Port 2	U22	29
U2	PCIe Slot 5, Port 1	U20	29

The following table describes the inter-switch connections between the RDMA Network Fabric leaf switches in an Oracle Exadata Database Machine X10M rack. All connections in this table use QSFP28 100G cables that are 1 meter long.

Table 13-3 RDMA Network Fabric Inter-Switch Cabling for Oracle Exadata Database Machine X10M

From RDMA Network Fabric Switch in Rack Unit	Port	To RDMA Network Fabric Switch in Rack Unit	Port
U20	04	U22	04
U20	05	U22	05
U20	06	U22	06
U20	07	U22	07
U20	30	U22	30
U20	31	U22	31
U20	32	U22	32
U20	33	U22	33