Hi All,
I cannot assign 2 same type PCI pass-through Ethernet devices to 2 VM instances separately. Can you please let me know how to accomplish the same? Thanks in advance for your time and help. Regards, Chinmaya On Thu, May 19, 2016 at 7:25 PM, Chinmaya Dwibedy <[email protected]> wrote: > 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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