# Manage vGPU

#### Prepare the system

* **OS:** Ubuntu24.04
* **GPU:** Nvidia RTX Pro 6000 blackwell Ada(96 GB)
* **Nvidia Driver**: 590.48.01
* **Cuda** **Toolkit:** 13.1
* **Docker**

#### VM Setting

1. ตรวจสอบว่า VM เห็น **GPU**

```
lspci | grep -i nvidia
```

> ต้องเห็น NVIDIA Corporation Device 2bb5 (RTX PRO 6000 Blackwell)

2. ตรวจสอบว่า **Nvidia driver** ทำงานได้

```
nvidia-smi
```

<figure><img src="/files/U05UsmeAigDo5qMS3gF5" alt=""><figcaption></figcaption></figure>

3. เปิด **MIG mode**

```
# เปิด persistence mode
nvidia-smi -i 0 -pm 1
# เปิด MIG mode
nvidia-smi -i 0 -mig 1
reboot
```

4. สร้าง **MIG Instance**

```
# สร้าง 4 instances x 1g.24gb (23GB VRAM ต่อตัว)
nvidia-smi mig -i 0 -cgi 1g.24gb,1g.24gb,1g.24gb,1g.24gb -C
# ตรวจสอบ
nvidia-smi mig -lgi
nvidia-smi -L
```

<figure><img src="/files/7qrKEAZHT7ttPkK9dO0x" alt=""><figcaption></figcaption></figure>

5. ตั้งค่า **MIG** ให้ **auto-start** หลัง reboot

```
cat > /etc/systemd/system/nvidia-mig-enable.service << 'EOF'
[Unit]
Description=Enable NVIDIA MIG mode
After=systemd-modules-load.service
[Service]
Type=oneshot
ExecStartPre=/bin/sleep 10
ExecStart=/usr/bin/nvidia-smi -i 0 -pm 1
ExecStart=/usr/bin/nvidia-smi -i 0 -mig 1
ExecStart=/usr/bin/nvidia-smi mig -i 0 -cgi 1g.24gb,1g.24gb,1g.24gb,1g.24gb -C
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target
EOF
```

```
systemctl daemon-reload
systemctl enable nvidia-mig-enable.service
```


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