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In
Figure 21
(supported on 2-CPU configurations), two ports from the VIC 1340 adapter are channeled to
2304 Fabric Extender A and two are channeled to 2304 Fabric Extender B. The result is 20 Gb of bandwidth
to each Fabric Extender. The storage accelerator in slot 3 provides no network connectivity.
Figure 21
VIC 1340 (Cisco UCS Storage Accelerator in slot 3 and adapter slot 2 empty)
2304 Fabric
Extender A
Cisco UCS Storage Accelerator
adapter slot #3
CPU 2
In
Figure
22, the Storage Accelerator installed in adapter slot 2 also has the port expander capability to
increase the overall network I/O to the server. It acts as a pass-through device to provide two additional
ports to each of the port groups and thus create a native 40G interface to each of the Fabric Extenders. The
result is 40 Gb of bandwidth to each Fabric Extender. Two identical Cisco UCS Storage Accelerator adapters
are installed in slots 2 and 3, but the one in slot 3 provides no network connectivity. This configuration
requires 4 CPUs.
Figure 22
VIC 1340 (Cisco UCS Storage Accelerator in slots 2 and 3)
2304 Fabric
Extender A
Cisco UCS Storage Accelerator
adapter slot #3
CPU 2
Cisco UCS B420 M4 Blade Server
EMPTY
No Adapter
Installed
adapter slot #2
If a Port Expander is installed in slot #2,
CPU4
CPU4 is optional. If a Storage Accelerator
is installed in slot #2, CPU4 is required.
Cisco UCS Storage Accelerator
adapter slot #2
If a Port Expander is installed in slot #2,
CPU4
CPU4 is optional. If a Storage Accelerator
is installed in slot #2, CPU4 is required.
SUPPLEMENTAL MATERIAL
Port Group A
Port Group B
VIC 1340 Adapter
adapter slot #1 for VIC 1340
PCIe x16
CPU1
Port Group A
Port Group B
VIC 1340 Adapter
adapter slot #1 for VIC 1340
PCIe x16
CPU1
2304 Fabric
Extender B
2304 Fabric
Extender B
53
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