MiniMax-M2.7-W8A8 双机 DP=2 部署
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-w8a82.2 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}:8077API 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.log7.2 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
