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# 修复模型下载失败
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## 当前状态
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`mineru-models-download --source modelscope` 在执行时,12 个小型配置文件下载成功,但最大的文件 `model.safetensors`(2.45 GB)下载失败。
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## 错误分析
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```
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[Errno 2] No such file or directory:
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'/opt/models/modelscope/models/._____temp/OpenDataLab/MinerU2.5-Pro-2605-1.2B/model.safetensors'
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```
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modelscope 的 `snapshot_download()` 将大文件先写入临时目录 `._____temp`,再移动到最终位置。临时目录创建不完整或下载中断导致大文件失败。
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## 修复方案
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### 步骤 1:清理损坏的下载状态
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在宿主机上删除临时目录和损坏文件,保留已下载成功的 12 个小文件:
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```bash
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rm -rf /opt/project/mineru-rocm/docker/data/models/modelscope/models/._____temp
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rm -f /opt/project/mineru-rocm/docker/data/models/modelscope/models/OpenDataLab/MinerU2.5-Pro-2605-1.2B/model.safetensors
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```
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### 步骤 2:确保宿主机目录完整
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```bash
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mkdir -p /opt/project/mineru-rocm/docker/data/{input,output,models/modelscope,miopen}
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```
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### 步骤 3:重启所有容器使挂载生效
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```bash
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cd /opt/project/mineru-rocm/docker
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docker compose down
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docker compose up -d
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docker compose --profile gradio up -d
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```
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### 步骤 4:在 worker0 中重试下载
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modelscope 的 `snapshot_download` 会检查已有文件并跳过,只重新下载缺失的 `model.safetensors`:
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```bash
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docker compose exec worker0 mineru-models-download --source modelscope
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# 交互提示选 all
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```
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### 步骤 5(备选):如果重试仍然失败
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在 worker0 容器内手动创建临时目录后重试:
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```bash
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docker compose exec worker0 bash -c "
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mkdir -p /opt/models/modelscope/models/._____temp/OpenDataLab/MinerU2.5-Pro-2605-1.2B
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mineru-models-download --source modelscope
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"
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```
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## 备注
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- 本次仅在 worker0 下载,但因为 `/opt/models` 是共享卷挂载(`./data/models:/opt/models`),所有容器都可见
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- 模型持久化在宿主机 `./data/models/`,容器重建不会丢失
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- 如果 modelscope 下载持续不稳定,可切换到 huggingface 源:`MINERU_MODEL_SOURCE=huggingface`(需要代理)
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@@ -294,6 +294,8 @@ RUN set -ex && \
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torch==2.11.0+rocm7.2 torchvision pytorch-triton-rocm \
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torch==2.11.0+rocm7.2 torchvision pytorch-triton-rocm \
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--index-url ${TORCH_INDEX} && \
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--index-url ${TORCH_INDEX} && \
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${VENV}/bin/python -c "import vllm; print('vllm import OK:', vllm.__version__)" && \
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${VENV}/bin/python -c "import vllm; print('vllm import OK:', vllm.__version__)" && \
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# 确保 mineru-api 子进程不依赖 PYTHONPATH 也能导入 vllm
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echo "/opt/vllm" > ${VENV}/lib/python${PYTHON_VER}/site-packages/vllm.pth && \
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# 锁定所有 ROCm 关键包版本,防止 mineru 安装时覆盖
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# 锁定所有 ROCm 关键包版本,防止 mineru 安装时覆盖
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${VENV}/bin/pip freeze | grep -iE "^(torch|vllm|triton|pytorch.triton|setuptools|torchvision|flash.attn|aiter)" >> ${VENV}/torch-constraint.txt && \
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${VENV}/bin/pip freeze | grep -iE "^(torch|vllm|triton|pytorch.triton|setuptools|torchvision|flash.attn|aiter)" >> ${VENV}/torch-constraint.txt && \
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rm -rf /opt/vllm_build
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rm -rf /opt/vllm_build
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