下载ceph代码
shell
git clone https://github.com/ceph/ceph.git
#切换tag
git checkout v18.2.4 -b v18.2.4
#下载子模块 会有报错重新执行即可
git submodule update --init --recursive
安装ceph所需要的依赖
shell
#curl命令安装
sudo apt install curl
#安装ceph依赖
./install-deps.sh
#
apt install python3-routes
ninja编译
bash
cd build
ninja
#限制3个工作线程,每个线程大概需要2.5GB内存
ninja -j 3
运行ceph
shell
#安装项目依赖
work@work:~/ceph/build$ cd ../src/pybind/mgr/ && pip3 install -r requirements.txt
#运行ceph
work@work:~/ceph/build$ ../src/vstart.sh -n -d
#启动cephadm模块
ceph mgr module enable cephadm
#将后端设置为cephadm
ceph orch set backend cephadm
#生成ceph密钥
ceph cephadm generate-key
ceph常用命令
shell
#查看集群的状态
ceph -s
#查看mgr模块列表
ceph mgr module ls
#启动某个模块
ceph mgr module enable xxx
#给已知主机加标签
ceph orch host add my_hostname --labels=my_label1
遇到的问题
出现waiting for mgr dashboard module to start
shell
查看out/mgr.x.log的日志 有没有错误 一般是依赖问题
出现npm拉取包失败
shell
#修改 build/src/pybind/mgr/dashboard/frontend/node-env/.npmrc
#添加源地址 文件内容如下 二选一
#registry=https://registry.npm.taobao.org/
#registry=https://registry.npmmirror.com/
echo 'registry = "https://registry.npmmirror.com/"' >> ./build/src/pybind/mgr/dashboard/frontend/node-env/.npmrc
ModuleNotFoundError: No module named 'numpy.core._multiarray_umath'
shell
pip3 install --upgrade numpy
ModuleNotFoundError: No module named '_cffi_backend'
shell
sudo apt-get update
sudo apt-get install -y libffi-dev
pip3 install cffi
#如果老版本的pip安装了cffi库,执行卸载后重装
pip uninstall cffi
Cannot find source file: xxHash/xxhash.c
shell
#需要重新克隆一下,或者直接下载对应版本 放到src/xxHash目录下去
WARNING: The scripts pip, pip3 and pip3.9 are installed in '/home/work/.local/bin' which is not on PATH.Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
shell
#需要将'/home/work/.local/bin'加入PATH环境变量
echo "export PATH=$PATH:~/.local/bin" >> ~/.bashrc
source ~/.bashrc
g+±11: fatal error: 已杀死 signal terminated program cc1plus
shel
重新执行即可,触发了oom
Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
shell
#安装libfmt-dev包
sudo apt-get install doxygen
Could not find fmt, will build it
shell
#安装libfmt-dev包
sudo apt-get install libfmt-dev