本文介绍了在昇腾双机8卡服务器上部署MiniMax-M2.7-W8A8。

适配:Ascend 910B,双机 16 卡 = TP=8 × DP=2

镜像:`quay.io/ascend/vllm-ascend:v0.18.0rc1`

一、拉起容器

两台机器都要执行,只需把 `{容器名}` 和 `{master内网IP}` 替换成实际值:

docker run -itd -u 0 --ipc=host --privileged \

--name {容器名} \

--net=host \

--device /dev/davinci_manager \

--device /dev/devmm_svm \

--device /dev/hisi_hdc \

--shm-size=1200g \

-e VLLM_USE_MODELSCOPE=True \

-e ASCEND_RT_VISIBLE_DEVICES=0,1,2,3,4,5,6,7 \

-v /usr/local/dcmi:/usr/local/dcmi \

-v /usr/local/Ascend/driver/tools/hccn_tool:/usr/local/Ascend/driver/tools/hccn_tool \

-v /usr/local/bin/npu-smi:/usr/local/bin/npu-smi \

-v /usr/local/Ascend/driver/lib64/:/usr/local/Ascend/driver/lib64/ \

-v /usr/local/Ascend/driver/version.info:/usr/local/Ascend/driver/version.info \

-v /etc/ascend_install.info:/etc/ascend_install.info \

-v /home/:/home/ \

-v /root/.cache:/root/.cache \

quay.io/ascend/vllm-ascend:v0.18.0rc1 bash

二、修复 modelslim_config.py(必须)

v0.18.0rc1 镜像的 `modelslim_config.py` 缺少 `MODELSLIM_CONFIG_FILENAME` 常量,会导致 ImportError。**两台容器都要修复**,先修哪台都行。

2.1 下载官方配置

​
git clone https://gitcode.com/vLLM\_Ascend/MiniMax-M2.5-W8A8.git/tmp/minimax25-w8a8

2.2 替换容器内文件并添加常量

Master 容器:

docker cp /tmp/minimax25-w8a8/modelslim_config.py {master容器名}:/vllm-workspace/vllm-ascend/vllm_ascend/quantization/modelslim_config.py

docker exec {master容器名} bash -c \

'echo "MODELSLIM_CONFIG_FILENAME = \"quant_model_description.json\"" >> /vllm-workspace/vllm-ascend/vllm_ascend/quantization/modelslim_config.py'

Worker 容器:

docker cp /tmp/minimax25-w8a8/modelslim_config.py {worker容器名}:/vllm-workspace/vllm-ascend/vllm_ascend/quantization/modelslim_config.py

docker exec {worker容器名} bash -c \

'echo "MODELSLIM_CONFIG_FILENAME = \"quant_model_description.json\"" >> /vllm-workspace/vllm-ascend/vllm_ascend/quantization/modelslim_config.py'

三、启动 vLLM

3.1 确认 bond1 网卡

两台都要确认:

ip a | grep bond1

能看到 `bond1` inet 地址即可。

3.2 启动顺序

必须先启动 worker,再启动 master,间隔 10 秒。

3.3 启动 Worker

docker exec -d {worker容器名} bash -c '

export HCCL_IF_IP="{worker内网IP}"

export GLOO_SOCKET_IFNAME="bond1"

export TP_SOCKET_IFNAME="bond1"

export HCCL_SOCKET_IFNAME="bond1"

export HCCL_BUFFSIZE=1024

export ASCEND_RT_VISIBLE_DEVICES=0,1,2,3,4,5,6,7

export HCCL_OP_EXPANSION_MODE="AIV"

export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True

export OMP_PROC_BIND=false

export OMP_NUM_THREADS=1

export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

export HCCL_INTRA_PCIE_ENABLE=1

export HCCL_INTRA_ROCE_ENABLE=0

nohup vllm serve /root/.cache/modelscope/hub/models/Eco-Tech/MiniMax-M2___7-w8a8-QuaRot \

--served-model-name "MiniMax-M2.7" \

--host 0.0.0.0 --port 8077 \

--headless \

--tensor-parallel-size 8 \

--data-parallel-size 2 \

--data-parallel-size-local 1 \

--data-parallel-start-rank 1 \

--data-parallel-address {master内网IP} \

--data-parallel-rpc-port 13389 \

--max-num-seqs 128 \

--max-num-batched-tokens 65536 \

--gpu-memory-utilization 0.92 \

--enable-expert-parallel \

--trust-remote-code \

--enable-auto-tool-choice \

--tool-call-parser minimax_m2 \

--reasoning-parser minimax_m2_append_think \

--compilation-config "{\"cudagraph_mode\": \"FULL_DECODE_ONLY\"}" \

--mm_processor_cache_type="shm" \

--async-scheduling \

--additional-config "{\"enable_cpu_binding\":true}" \

/tmp/vllm-worker.log 2>&1 & '

3.4 启动 Master(等 10 秒)

docker exec -d {master容器名} bash -c '

export HCCL_IF_IP="{master内网IP}"

export GLOO_SOCKET_IFNAME="bond1"

export TP_SOCKET_IFNAME="bond1"

export HCCL_SOCKET_IFNAME="bond1"

export HCCL_BUFFSIZE=1024

export ASCEND_RT_VISIBLE_DEVICES=0,1,2,3,4,5,6,7

export HCCL_OP_EXPANSION_MODE="AIV"

export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True

export OMP_PROC_BIND=false

export OMP_NUM_THREADS=1

export VLLM_ASCEND_ENABLE_FLASHCOMM1=1

export HCCL_INTRA_PCIE_ENABLE=1

export HCCL_INTRA_ROCE_ENABLE=0

nohup vllm serve /root/.cache/modelscope/hub/models/Eco-Tech/MiniMax-M2___7-w8a8-QuaRot \

--served-model-name "MiniMax-M2.7" \

--host 0.0.0.0 --port 8077 \

--tensor-parallel-size 8 \

--data-parallel-size 2 \

--data-parallel-size-local 1 \

--data-parallel-start-rank 0 \

--data-parallel-address {master内网IP} \

--data-parallel-rpc-port 13389 \

--max-num-seqs 128 \

--max-num-batched-tokens 65536 \

--gpu-memory-utilization 0.92 \

--enable-expert-parallel \

--trust-remote-code \

--enable-auto-tool-choice \

--tool-call-parser minimax_m2 \

--reasoning-parser minimax_m2_append_think \

--compilation-config "{\"cudagraph_mode\": \"FULL_DECODE_ONLY\"}" \

--mm_processor_cache_type="shm" \

--async-scheduling \

--additional-config "{\"enable_cpu_binding\":true}" \

/tmp/vllm-master.log 2>&1 & '

四、验证

等待约 5 分钟后,在任一节点执行:

curl http://{master内网IP}:8077/v1/models

应返回 `MiniMax-M2.7`,`max_model_len: 196608`。

推理测试:

curl --location "http://{master内网IP}:8077/v1/chat/completions" \

--header "Content-Type: application/json" \

--data '{"model":"MiniMax-M2.7","messages":[{"role":"user","content":"hello"}],"stream":false}'

五、访问服务

服务启动后,通过 master 节点的 8077 端口访问:

http://{master内网IP}:8077

API 端点:

  • `GET /v1/models` — 查看可用模型
  • `POST /v1/chat/completions` — 对话
  • `POST /v1/completions` — 文本补全

六、重启恢复

6.1 启动容器

docker start {master容器名}

docker start {worker容器名}

6.2 重新启动 vLLM(顺序:先 worker,再 master)

等几秒后,分别执行 3.3 和 3.4 的启动命令。

6.3 确认进程运行

worker 上

docker exec {worker容器名} bash -c "ps -ef | grep 'vllm serve' | grep -v grep"

master 上

docker exec {master容器名} bash -c "ps -ef | grep 'vllm serve' | grep -v grep"

应该各有 1 个 vllm 进程。


七、常见问题排查

7.1 查看启动日志

master 日志

docker exec {master容器名} tail -100 /tmp/vllm-master.log

worker 日志

docker exec {worker容器名} tail -100 /tmp/vllm-worker.log

7.2 查看实时日志

docker logs -f {容器名}

7.3 确认端口在监听

docker exec {容器名} bash -c "netstat -tlnp | grep 8077"

7.4 确认 NPU 进程

docker exec {容器名} bash -c "npu-smi info | grep 'Process id'"

应该各有 8 个进程(TP=8)。

7.5 确认 HCCL 通信正常

在容器内执行:

docker exec {容器名} bash -c "HCCL_INFO=1 python -c 'import torch; torch.distributed.is_initialized()'"

7.6 常见错误

ImportError: MODELSLIM_CONFIG_FILENAME

→ modelslim_config.py 未修复,见本文档第二节

Connection refused on port 8077

→ vllm 进程未启动,看日志确认

HCCL timeout / DP Coordinator timeout

→ 检查 bond1 网卡是否互通;确认启动顺序是 worker 先、master 后

Worker 启动后立即退出

→ 检查 `--data-parallel-address` 是否填写了 master 的内网 IP

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