Users Guide
PCIe reassignment
The PCIe reassignment feature enables you to map PCIe slots assigned to compute sleds in the lower bays to compute sleds in the upper
bays.
You can enable or disable the PCIe reassignment option using CMC web interface, CMC WSMan, or RACADM. You must have the chassis
conguration privilege to congure or modify the reassignment settings. Power o all compute sleds in the chassis before modifying the
reassignment settings. When the compute sleds are powered on after the reassignment changes, the slots assigned to the compute sleds
in the lower bay earlier, are mapped to corresponding compute sleds in the upper bay. Following are some examples for PCIe reassignment:
• PCIe reassignment in full-width (FW) FC830:
– PCIe slots mapped to FW sled-3 (PCIe slots 1 through 4) are reassigned to sled–1. Sled-1 now maps to PCIe slots 1 though 8.
• PCIe reassignment in half-width (HW) FC630:
– PCIe slots mapped to HW sled-3 (PCIe slots 5 and 6) are reassigned to sled-1. Sled-1 now maps to PCIe slots 5 through 8.
– PCIe slots mapped to HW sled-4 (PCIe slots 1 and 2) are reassigned to sled-2. Sled-2 now maps to PCIe slots 1 through 4.
• PCIe reassignment in quarter-width (QW) FC430:
– PCIe slot mapped to QW sled-3a (PCIe slot 6) is reassigned to sled-1a. Sled-1a now maps to PCIe slots 6 and 8.
– PCIe slot mapped to QW sled-3b (PCIe slot 5) is reassigned to sled-1b. Sled-1b now maps to PCIe slots 5 and 7.
– PCIe slot mapped to QW sled-3c (PCIe slot 2) is reassigned to sled-1c. Sled-1c now maps to PCIe slots 2 and 4.
– PCIe slot mapped to QW sled-3d (PCIe slot 1) is reassigned to sled-1d. Sled-1d now maps to PCIe slots 1 and 3.
For more information, see the Dell PowerEdge FX2 and FX2s Enclosure Owner's Manual.
Enabling or disabling the PCIe reassignments using CMC web interface
1 In the left pane, click PCIe Overview.
The PCIe Status page is displayed.
2 Click Setup.
The Mapping: PCIe Slot Reassignment page is displayed.
3 Select or clear the Enable PCIe Slot Reassignment check box and click Apply.
Enabling or disabling PCIe reassignments using RACADM
The input values for enabling or disabling the PCIe reassignment to a slot are:
• 1 — Enable
• 0 — Disable
To enable a PCIe reassignment, run the following command:
racadm config –g cfgPCIe –o cfgPCIeReassignmentEnable 1
To disable a PCIe reassignment, run the following command:
racadm config –g cfgPCIe –o cfgPCIeReassignmentEnable 0
For more information, see the Dell Chassis Management Controller for PowerEdge FX2/FX2s RACADM Command Line Reference Guide
available at dell.com/support/Manuals.
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Conguring PCIe slots