On Tue, Jan 5, 2021 at 9:34 AM fukumoto.shi...@fujitsu.com <
fukumoto.shi...@fujitsu.com> wrote:

> Hello Gianluca,
>
>
>
> Thank you for the links.
>
> I read the documents and understood SR-IOV is supported.
>
>
>
> This is a question apart from NFV, I need RDMA (InfiniBand) and RDMA
> (Ethernet) using Mellanox ConnextX-6 cards.
>
> Do you (or does anyone) know if RDMA (InfiniBand) and RDMA (Ethernet) work
> on oVirt environment?
>
>
>

Should RDMA be used inside the VM, or on the oVirt host directly?
On host level only IPoIB should work on CentOS 7 and on CentOS >= 8.4, RDMA
is not supported.
But it would be interesting to know if RDMA would work on a SR-IOV VF
inside a VM.


> I found following MLNX_OFED documentation and it seems that RDMA will work
> with SR-IOV.
>
> https://docs.mellanox.com/pages/viewpage.action?pageId=39264752
>
>
>
> Regards,
>
> Fukumoto
>
>
>
> *From:* Gianluca Cecchi <gianluca.cec...@gmail.com>
> *Sent:* Monday, January 4, 2021 6:26 PM
> *To:* Fukumoto, Shinya/福本 真也 <fukumoto.shi...@fujitsu.com>
> *Cc:* users@ovirt.org
> *Subject:* Re: [ovirt-users] Can NFV (Network Functions Virtualization)
> work on oVirt?
>
>
>
> On Mon, Jan 4, 2021 at 10:04 AM fukumoto.shi...@fujitsu.com <
> fukumoto.shi...@fujitsu.com> wrote:
>
> Hello everyone,
>
> I've checked the documentation of oVirt, but cannot find if following
> function can work on oVirt or not.
> - NFV (Network Functions Virtualization)
>
> Does someone know NFV can work on oVirt?
>
> For your reference, Red Hat OpenStack Platform seems to support NFV as
> follows
>
> https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/12/html-single/network_functions_virtualization_product_guide/index
>
> Regards,
> Fukumoto
>
>
>
> I think you can find useful information here for RHV 4.4, that should be
> applicable to oVirt 4.4 too:
>
>
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/sect-virtual_network_interface_cards#Enabling_Passthrough_on_a_vNIC_Profile
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/sect-hosts_and_networking#setting-up-and-configuring-sr-iov
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/hardware_considerations_for_implementing_sr-iov/
>
>
> https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/virtual_machine_management_guide/sect-migrating_virtual_machines_between_hosts#Live_migration_prerequisites
>
>
>
> I don't know if it is supported to also use NFV with OVN external provider
> in oVirt/RHV
>
>
>
> HIH,
>
> Gianluca
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