2 Replies Latest reply on Nov 21, 2019 8:48 PM by Alex12

Is it possible to dedicate a physical ethernet interface to a virtual machine

Alex12 Nov 21, 2019 4:28 AM

Hi Experts,

We have time sensitive applications running on vitrual machines stop working after netowrk change which requires cross-site mounting of NFS share over a DWDM link, while application which installed on phsycal machines continue to work.

My question is is it possible to assign physical ethernet interface to a xVM servers? if yes, where can I find the instructions? if no, what other options are available to drastically boost the performance of a virtual ethernet interface than bonding?

Your response are highly appreciated.

Thanks in advance,

Alex

1. Re: Is it possible to dedicate a physical ethernet interface to a virtual machine

budachst Nov 21, 2019 7:04 PM (in response to Alex12)

Well… you can passthrough a pci device to a guest in OVM. It's some manual work, which you will need to to, but is possible. Also, OVMM will not let you configure that via the UI, you will have to modify the vm.cfg on your own. Afair, there needed to be a kernel module to be loaded, but that was on an older version of OVM.

You should be able to dig up my old posts about that in the search, though.

P.S: found it: OVM_311: pciback module gone?
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2. Re: Is it possible to dedicate a physical ethernet interface to a virtual machine

Alex12 Nov 21, 2019 8:48 PM (in response to budachst)

Great information. Thank you.
I will test the solution in the coming days.
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