屏蔽部分GPU
目录
使用lspci | grep NVIDIA查看:
3b:00.0 VGA compatible controller: NVIDIA Corporation Device 2684 (rev a1)
3b:00.1 Audio device: NVIDIA Corporation Device 22ba (rev a1)
5e:00.0 VGA compatible controller: NVIDIA Corporation Device 2684 (rev a1)
5e:00.1 Audio device: NVIDIA Corporation Device 22ba (rev a1)
86:00.0 VGA compatible controller: NVIDIA Corporation Device 2684 (rev a1)
86:00.1 Audio device: NVIDIA Corporation Device 22ba (rev a1)
af:00.0 VGA compatible controller: NVIDIA Corporation Device 2684 (rev a1)
af:00.1 Audio device: NVIDIA Corporation Device 22ba (rev a1)或者nvidia-smi查看:
+---------------------------------------------------------------------------------------+
| NVIDIA-SMI 535.161.07 Driver Version: 535.161.07 CUDA Version: 12.2 |
|-----------------------------------------+----------------------+----------------------+
| 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 GeForce RTX 4090 Off | 00000000:3B:00.0 Off | Off |
| 0% 41C P8 24W / 450W | 26MiB / 24564MiB | 0% Default |
| | | N/A |
+-----------------------------------------+----------------------+----------------------+
| 1 NVIDIA GeForce RTX 4090 Off | 00000000:5E:00.0 Off | Off |
| 0% 40C P8 12W / 450W | 1093MiB / 24564MiB | 0% Default |
| | | N/A |
+-----------------------------------------+----------------------+----------------------+
| 2 NVIDIA GeForce RTX 4090 Off | 00000000:86:00.0 Off | Off |
| 0% 40C P8 3W / 450W | 14MiB / 24564MiB | 0% Default |
| | | N/A |
+-----------------------------------------+----------------------+----------------------+
| 3 NVIDIA GeForce RTX 4090 Off | 00000000:AF:00.0 Off | Off |
| 0% 40C P8 5W / 450W | 3746MiB / 24564MiB | 0% Default |
| | | N/A |
+-----------------------------------------+----------------------+----------------------+可以看到pcie接口具体编号, 根据编号执行以下命令:
# 启用
nvidia-smi drain -p 0000:18:00.0 -m 0
# 禁用
nvidia-smi drain -p 0000:18:00.0 -m 1