5.7. GPU 운영자 구성
GPU 운영자는 NVIDIA 드라이버, GPU용 장치 플러그인, NVIDIA 컨테이너 툴킷 및 GPU 프로비저닝에 필요한 기타 구성 요소의 관리를 자동화합니다.
사전 요구 사항
- GPU Operator를 설치했습니다.
프로세스
다음 명령을 실행하여 네임스페이스 아래의 포드를 살펴보려면 Operator 포드가 실행 중인지 확인하세요.
$ oc get pods -n nvidia-gpu-operator출력 예
NAME READY STATUS RESTARTS AGE gpu-operator-b4cb7d74-zxpwq 1/1 Running 0 32s다음 예와 유사한 GPU 클러스터 정책 사용자 정의 리소스 파일을 만듭니다.
apiVersion: nvidia.com/v1 kind: ClusterPolicy metadata: name: gpu-cluster-policy spec: vgpuDeviceManager: config: default: default enabled: true migManager: config: default: all-disabled name: default-mig-parted-config enabled: true operator: defaultRuntime: crio initContainer: {} runtimeClass: nvidia use_ocp_driver_toolkit: true dcgm: enabled: true gfd: enabled: true dcgmExporter: config: name: '' serviceMonitor: enabled: true enabled: true cdi: default: false enabled: false driver: licensingConfig: nlsEnabled: true configMapName: '' certConfig: name: '' rdma: enabled: false kernelModuleConfig: name: '' upgradePolicy: autoUpgrade: true drain: deleteEmptyDir: false enable: false force: false timeoutSeconds: 300 maxParallelUpgrades: 1 maxUnavailable: 25% podDeletion: deleteEmptyDir: false force: false timeoutSeconds: 300 waitForCompletion: timeoutSeconds: 0 repoConfig: configMapName: '' virtualTopology: config: '' enabled: true useNvidiaDriverCRD: false useOpenKernelModules: true devicePlugin: config: name: '' default: '' mps: root: /run/nvidia/mps enabled: true gdrcopy: enabled: true kataManager: config: artifactsDir: /opt/nvidia-gpu-operator/artifacts/runtimeclasses mig: strategy: single sandboxDevicePlugin: enabled: true validator: plugin: env: - name: WITH_WORKLOAD value: 'false' nodeStatusExporter: enabled: true daemonsets: rollingUpdate: maxUnavailable: '1' updateStrategy: RollingUpdate sandboxWorkloads: defaultWorkload: container enabled: false gds: enabled: true image: nvidia-fs version: 2.20.5 repository: nvcr.io/nvidia/cloud-native vgpuManager: enabled: false vfioManager: enabled: true toolkit: installDir: /usr/local/nvidia enabled: trueGPU
ClusterPolicy사용자 지정 리소스가 생성되면 다음 명령을 실행하여 클러스터에 리소스를 만듭니다.$ oc create -f gpu-cluster-policy.yaml출력 예
clusterpolicy.nvidia.com/gpu-cluster-policy created다음 명령을 실행하여 Operator가 설치되고 실행 중인지 확인하세요.
$ oc get pods -n nvidia-gpu-operator출력 예
NAME READY STATUS RESTARTS AGE gpu-feature-discovery-d5ngn 1/1 Running 0 3m20s gpu-feature-discovery-z42rx 1/1 Running 0 3m23s gpu-operator-6bb4d4b4c5-njh78 1/1 Running 0 4m35s nvidia-container-toolkit-daemonset-bkh8l 1/1 Running 0 3m20s nvidia-container-toolkit-daemonset-c4hzm 1/1 Running 0 3m23s nvidia-cuda-validator-4blvg 0/1 Completed 0 106s nvidia-cuda-validator-tw8sl 0/1 Completed 0 112s nvidia-dcgm-exporter-rrw4g 1/1 Running 0 3m20s nvidia-dcgm-exporter-xc78t 1/1 Running 0 3m23s nvidia-dcgm-nvxpf 1/1 Running 0 3m20s nvidia-dcgm-snj4j 1/1 Running 0 3m23s nvidia-device-plugin-daemonset-fk2xz 1/1 Running 0 3m23s nvidia-device-plugin-daemonset-wq87j 1/1 Running 0 3m20s nvidia-driver-daemonset-416.94.202410211619-0-ngrjg 4/4 Running 0 3m58s nvidia-driver-daemonset-416.94.202410211619-0-tm4x6 4/4 Running 0 3m58s nvidia-node-status-exporter-jlzxh 1/1 Running 0 3m57s nvidia-node-status-exporter-zjffs 1/1 Running 0 3m57s nvidia-operator-validator-l49hx 1/1 Running 0 3m20s nvidia-operator-validator-n44nn 1/1 Running 0 3m23s선택 사항: 포드가 실행 중인지 확인한 후 NVIDIA 드라이버 데몬셋 포드에 원격 셸을 실행하여 NVIDIA 모듈이 로드되었는지 확인합니다. 특히,
nvidia_peermem이 로드되었는지 확인하세요.$ oc rsh -n nvidia-gpu-operator $(oc -n nvidia-gpu-operator get pod -o name -l app.kubernetes.io/component=nvidia-driver) sh-4.4# lsmod|grep nvidia출력 예
nvidia_fs 327680 0 nvidia_peermem 24576 0 nvidia_modeset 1507328 0 video 73728 1 nvidia_modeset nvidia_uvm 6889472 8 nvidia 8810496 43 nvidia_uvm,nvidia_peermem,nvidia_fs,gdrdrv,nvidia_modeset ib_uverbs 217088 3 nvidia_peermem,rdma_ucm,mlx5_ib drm 741376 5 drm_kms_helper,drm_shmem_helper,nvidia,mgag200-
선택 사항:
nvidia-smi유틸리티를 실행하여 드라이버 및 하드웨어에 대한 세부 정보를 표시합니다.
sh-4.4# nvidia-smi
+ .출력 예
Wed Nov 6 22:03:53 2024
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 550.90.07 Driver Version: 550.90.07 CUDA Version: 12.4 |
|-----------------------------------------+------------------------+----------------------+
| GPU Name Persistence-M | Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap | Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|=========================================+========================+======================|
| 0 NVIDIA A40 On | 00000000:61:00.0 Off | 0 |
| 0% 37C P0 88W / 300W | 1MiB / 46068MiB | 0% Default |
| | | N/A |
+-----------------------------------------+------------------------+----------------------+
| 1 NVIDIA A40 On | 00000000:E1:00.0 Off | 0 |
| 0% 28C P8 29W / 300W | 1MiB / 46068MiB | 0% Default |
| | | N/A |
+-----------------------------------------+------------------------+----------------------+
+-----------------------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=========================================================================================|
| No running processes found |
+-----------------------------------------------------------------------------------------+
드라이버 포드에 있는 동안
nvidia-smi명령을 사용하여 GPU 클럭을 최대로 설정하세요.$ oc rsh -n nvidia-gpu-operator nvidia-driver-daemonset-416.94.202410172137-0-ndhzc sh-4.4# nvidia-smi -i 0 -lgc $(nvidia-smi -i 0 --query-supported-clocks=graphics --format=csv,noheader,nounits | sort -h | tail -n 1)출력 예
GPU clocks set to "(gpuClkMin 1740, gpuClkMax 1740)" for GPU 00000000:61:00.0 All done.sh-4.4# nvidia-smi -i 1 -lgc $(nvidia-smi -i 1 --query-supported-clocks=graphics --format=csv,noheader,nounits | sort -h | tail -n 1)출력 예
GPU clocks set to "(gpuClkMin 1740, gpuClkMax 1740)" for GPU 00000000:E1:00.0 All done.다음 명령을 실행하여 노드 설명 관점에서 리소스를 사용할 수 있는지 확인하세요.
$ oc describe node -l node-role.kubernetes.io/worker=| grep -E 'Capacity:|Allocatable:' -A9출력 예
Capacity: cpu: 128 ephemeral-storage: 1561525616Ki hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 263596712Ki nvidia.com/gpu: 2 pods: 250 rdma/rdma_shared_device_eth: 63 rdma/rdma_shared_device_ib: 63 Allocatable: cpu: 127500m ephemeral-storage: 1438028263499 hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 262445736Ki nvidia.com/gpu: 2 pods: 250 rdma/rdma_shared_device_eth: 63 rdma/rdma_shared_device_ib: 63 -- Capacity: cpu: 128 ephemeral-storage: 1561525616Ki hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 263596672Ki nvidia.com/gpu: 2 pods: 250 rdma/rdma_shared_device_eth: 63 rdma/rdma_shared_device_ib: 63 Allocatable: cpu: 127500m ephemeral-storage: 1438028263499 hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 262445696Ki nvidia.com/gpu: 2 pods: 250 rdma/rdma_shared_device_eth: 63 rdma/rdma_shared_device_ib: 63