[openstack-dev] [TripleO] Configure SR-IOV VFs in tripleo

Saravanan KR skramaja at redhat.com
Tue Oct 3 10:35:39 UTC 2017


On Tue, Sep 26, 2017 at 3:37 PM, Moshe Levi <moshele at mellanox.com> wrote:
> Hi  all,
>
>
>
> While working on tripleo-ovs-hw-offload work, I encounter the following
> issue with SR-IVO.
>
>
>
> I added -e ~/heat-templates/environments/neutron-sriov.yaml -e
> ~/heat-templates/environments/host-config-and-reboot.yaml to the
> overcloud-deploy.sh.
>
> The computes nodes are configure with the intel_iommu=on kernel option and
> the computes are reboot as expected,
>
> than the tripleo::host::sriov will create /etc/sysconfig/allocate_vfs to
> configure the SR-IOV VF. It seem it requires additional reboot for the
> SR-IOV VFs to be created. Is that expected behavior? Am I doing something
> wrong?

The file allocate_vfs is required for the subsequent reboots, but
during the deployment, the vfs are created by puppet-tripleo [1]. No
additional reboot required for creating VFs.

Regards,
Saravanan KR

[1] https://github.com/openstack/puppet-tripleo/blob/master/manifests/host/sriov.pp#L19

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> [1]
> https://github.com/openstack/puppet-tripleo/blob/80e646ff779a0f8e201daec0c927809224ed5fdb/manifests/host/sriov.pp
>
>
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