Hi,
Can we assign two same type PCI pass-through devices (Ethernet cards) to 2 different VM instances separately? Please note that, both the cards have same vendor_id and product_id. I configured it in pci_passthrough_whitelist and create two different pci_alias (Say a1 and a2). Modified the Nova flavor to use a1 by VM1 and VM2. Followed the procedures mentioned at https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/chap-Guest_virtual_machine_device_configuration.html With this edited xml files of both the instances (after shutting down). Added a device entry in the <source> section to assign the PCI device to the guest virtual machine. and accordingly configured domain, bus, slot and function. Restarted the VMs using #virsh start command. Made an Query pci device in nova DB and found that two Ethernet PCI devices have been assigned to single VM. Please correct me if I am wrong. Regards, Chinmaya
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