From c7e49dfa16aa9b2630af2d66e2dcaafa886cb6cc Mon Sep 17 00:00:00 2001 From: melanie witt Date: Thu, 23 May 2024 18:25:43 +0000 Subject: [PATCH] docs: Follow up for persistent mdevs This address review feedback on change I7e1d10e66a260efd0a3f2d6522aeb246c7582178 to add some clarifying text to the docs and release note. Related to blueprint persistent-mdevs Change-Id: I472552c64cc2c2ce06896158664faac0199d90bd --- doc/source/admin/virtual-gpu.rst | 7 ++++++- releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml | 5 +++-- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/doc/source/admin/virtual-gpu.rst b/doc/source/admin/virtual-gpu.rst index 83683589c80d..2acc2dcc7e6c 100644 --- a/doc/source/admin/virtual-gpu.rst +++ b/doc/source/admin/virtual-gpu.rst @@ -31,7 +31,7 @@ To enable virtual GPUs, follow the steps below: Enable GPU types (Compute) -------------------------- -#. Enable virtual functions on NVIDIA GPUs. +#. For NVIDIA GPUs that support SR-IOV, enable the virtual functions. .. code-block:: bash @@ -86,6 +86,11 @@ Enable GPU types (Compute) $ systemctl enable nvidia-sriov-manage@0000:41:00.0.service + .. note:: + + This is only an example and it is important to consult the relevant + vendor documentation for the specific devices that you have. + #. Specify which specific GPU type(s) the instances would get. Edit :oslo.config:option:`devices.enabled_mdev_types`: diff --git a/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml b/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml index 50f82e0ec2d7..55ee4d217e0a 100644 --- a/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml +++ b/releasenotes/notes/persistent-mdevs-2a69e44baae9d5ca.yaml @@ -5,7 +5,8 @@ features: .. note:: - After a compute host reboots, the virtual functions for the GPU must be - enabled again before instances will be able to use their vGPUs. + After a compute host reboots, if you have a GPU that supports SR-IOV, + then the virtual functions for the GPU must be enabled again before + instances will be able to use their vGPUs. Please see https://docs.openstack.org/nova/latest/admin/virtual-gpu.html for more information.