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Use lspci to identify GPUs on node #155

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Mar 20, 2025
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Use lspci to identify GPUs on node #155

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37 changes: 17 additions & 20 deletions setup.KubeConEU25/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -40,28 +40,25 @@ pokprod002ctrl2 Ready control-plane,master 5d15h v1.29.11+148a389
Each worker node is equipped with eight [NVIDIA
H100](https://www.nvidia.com/en-us/data-center/h100/) GPUs.
```sh
kubectl describe node pokprod-b93r38s3
oc debug node/pokprod-b93r38s3 -- chroot /host lspci -d 10de:
```
```
Name: pokprod-b93r38s3
Roles: worker
Labels: beta.kubernetes.io/arch=amd64
...
nvidia.com/GPU.product=NVIDIA-H100-80GB-HBM3
...
nvidia.com/GPU.count=8
...
Capacity:
cpu: 224
ephemeral-storage: 1873933640Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 2113411308Ki
nvidia.com/GPU: 8
openshift.io/p0_storage_sriov_nodepolicy: 8
pods: 250
rdma/roce_gdr: 0
...
Starting pod/pokprod-b93r38s3-debug-4bv4j ...
To use host binaries, run `chroot /host`
05:00.0 Bridge: NVIDIA Corporation GH100 [H100 NVSwitch] (rev a1)
06:00.0 Bridge: NVIDIA Corporation GH100 [H100 NVSwitch] (rev a1)
07:00.0 Bridge: NVIDIA Corporation GH100 [H100 NVSwitch] (rev a1)
08:00.0 Bridge: NVIDIA Corporation GH100 [H100 NVSwitch] (rev a1)
18:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
2a:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
3a:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
5d:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
9a:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
ab:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
ba:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)
db:00.0 3D controller: NVIDIA Corporation GH100 [H100 SXM5 80GB] (rev a1)

Removing debug pod ...
```
For this tutorial, we assume the [NVIDIA GPU
operator](https://docs.nvidia.com/datacenter/cloud-native/GPU-operator/latest/index.html)
Expand Down