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操作系统内核 实验七
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<h1 id="实验内容"><a href="#实验内容" class="headerlink" title="实验内容"></a>实验内容</h1><p>以MooseFS-PB分布式文件系统为例，了解分布式文件系统实现方法，功能特点及作用.</p>
<span id="more"></span>
<h1 id="实验环境"><a href="#实验环境" class="headerlink" title="实验环境"></a>实验环境</h1><ol>
<li><p><code>master server</code>: <code>Ubuntu 18.04</code> </p>
<p>IP: <code>10.128.255.181</code></p>
</li>
<li><p>元数据日志服务器: <code>Ubuntu 16.04</code> </p>
<p>IP: <code>10.128.243.103</code></p>
</li>
<li><p><code>chunk server</code>: <code>Ubuntu 16.04</code> </p>
<p>IP: <code>10.128.219.79</code></p>
</li>
<li><p>客户端: <code>Ubuntu 16.04</code> </p>
<p>IP: <code>10.128.205.7</code></p>
</li>
</ol>
<h1 id="实验过程"><a href="#实验过程" class="headerlink" title="实验过程"></a>实验过程</h1><h2 id="搭建master-server"><a href="#搭建master-server" class="headerlink" title="搭建master server"></a>搭建<code>master server</code></h2><h3 id="安装编译器、工具包"><a href="#安装编译器、工具包" class="headerlink" title="安装编译器、工具包"></a>安装编译器、工具包</h3><ol>
<li><p>输入如下命令，安装相关编译器、工具包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo apt install build-essential libpcap-dev zlib1g-dev libfuse-dev pkg-config</span><br><span class="line">$ sudo apt install fuse</span><br></pre></td></tr></table></figure>
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<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217103126.png"></p>
</li>
<li><p>将moosefs源码拷贝到到<code>/moosefs</code>目录下，进入<code>/moosefs</code>目录安装mfs软件包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> moosefs/</span><br><span class="line">$ sudo ./configure --prefix=/usr/local/mfs --with-default-user=mfs --with-default-group=mfs</span><br><span class="line">$ sudo make && make install</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217103228.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217103315.png"></p>
</li>
<li><p>修改输出目录配置文件、定义挂载以及权限设定文件、主配置文件、元数据日志文件信息；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> /usr/local/mfs/etc/mfs/</span><br><span class="line"><span class="comment">#修改输出目录配置文件，定义挂载以及权限设定文件</span></span><br><span class="line">$ sudo <span class="built_in">cp</span> mfsexports.cfg.sample mfsexports.cfg</span><br><span class="line"><span class="comment">#修改主配置文件</span></span><br><span class="line">$ sudo <span class="built_in">cp</span> mfsmaster.cfg.sample mfsmaster.cfg</span><br><span class="line"><span class="comment">#修改元数据日志文件</span></span><br><span class="line">$ sudo <span class="built_in">cp</span> mfstopology.cfg.sample mfstopology.cfg</span><br><span class="line"><span class="comment">#修改master元数据文件</span></span><br><span class="line">$ <span class="built_in">cd</span> /usr/local/mfs/var/mfs/</span><br><span class="line">$ sudo <span class="built_in">cp</span> metadata.mfs.empty metadata.mfs</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217103559.png"></p>
</li>
</ol>
<h3 id="启动master-server"><a href="#启动master-server" class="headerlink" title="启动master server"></a>启动<code>master server</code></h3><ol>
<li><p>创建进程用户</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo useradd -s /sbin/nologin mfs</span><br></pre></td></tr></table></figure></li>
<li><p>授权、优化路径</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo <span class="built_in">chown</span> -R mfs.mfs /usr/local/mfs</span><br><span class="line">$ sudo <span class="built_in">ln</span> -s /usr/local/mfs/sbin/* /usr/local/bin/</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217103748.png"></p>
</li>
<li><p>启动服务</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo mfsmaster start</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217103816.png"></p>
</li>
<li><p>查看服务运行成功</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo netstat -anpt | grep mfsmaster</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217104015.png"></p>
</li>
</ol>
<h2 id="搭建元数据日志服务器"><a href="#搭建元数据日志服务器" class="headerlink" title="搭建元数据日志服务器"></a>搭建元数据日志服务器</h2><h3 id="安装编译器、工具包-1"><a href="#安装编译器、工具包-1" class="headerlink" title="安装编译器、工具包"></a>安装编译器、工具包</h3><ol>
<li><p>输入如下命令，安装相关编译器、工具包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo apt install build-essential libpcap-dev zlib1g-dev libfuse-dev pkg-config</span><br><span class="line">$ sudo apt install fuse</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217111359.png"></p>
</li>
<li><p>将moosefs源码拷贝到到<code>/moosefs</code>目录下，进入<code>/moosefs</code>目录安装mfs软件包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> moosefs/</span><br><span class="line">$ sudo ./configure --prefix=/usr/local/mfs --with-default-user=mfs --with-default-group=mfs</span><br><span class="line">$ sudo make && make install</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217111630.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217111710.png"></p>
</li>
<li><p>修改主配置文件</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> /usr/local/mfs/etc/mfs/</span><br><span class="line">$ sudo <span class="built_in">cp</span> mfsmaster.cfg.sample mfsmaster.cfg</span><br><span class="line">$ sudo <span class="built_in">cp</span> mfsexports.cfg.sample mfsexports.cfg</span><br><span class="line">$ sudo <span class="built_in">cp</span> mfsmetalogger.cfg.sample mfsmetalogger.cfg</span><br><span class="line">$ sudo <span class="built_in">cd</span> /usr/local/mfs/var/mfs</span><br><span class="line">$ sudo <span class="built_in">cp</span> metadata.mfs.empty metadata.mfs</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217112115.png"></p>
<p>修改<code>mfsmetalogger.cfg</code>文件内容如下</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> /usr/local/mfs/etc/mfs/</span><br><span class="line">$ sudo vi mfsmetalogger.cfg</span><br></pre></td></tr></table></figure>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">MASTER_HOST = 10.128.255.181 #执行master服务器的ip地址</span><br><span class="line">META_DOWNLOAD_FREQ = 24 #备份频率时间</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217112527.png"></p>
</li>
</ol>
<h3 id="启动元数据日志服务器"><a href="#启动元数据日志服务器" class="headerlink" title="启动元数据日志服务器"></a>启动元数据日志服务器</h3><ol>
<li><p>创建进程用户</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo useradd -s /sbin/nologin mfs</span><br></pre></td></tr></table></figure></li>
<li><p>授权、优化路径</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo <span class="built_in">chown</span> -R mfs.mfs /usr/local/mfs</span><br><span class="line">$ sudo <span class="built_in">ln</span> -s /usr/local/mfs/sbin/* /usr/local/bin/</span><br></pre></td></tr></table></figure></li>
<li><p>启动服务</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo mfsmetalogger start</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217113220.png"></p>
</li>
<li><p>查看服务运行成功</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo netstat -anpt | grep mfsmetalogger</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217113318.png"></p>
</li>
</ol>
<h2 id="搭建chunk-server"><a href="#搭建chunk-server" class="headerlink" title="搭建chunk server"></a>搭建<code>chunk server</code></h2><h3 id="安装编译器、工具包-2"><a href="#安装编译器、工具包-2" class="headerlink" title="安装编译器、工具包"></a>安装编译器、工具包</h3><ol>
<li><p>输入如下命令，安装相关编译器、工具包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo apt install build-essential libpcap-dev zlib1g-dev libfuse-dev pkg-config</span><br><span class="line">$ sudo apt install fuse</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217115449.png"></p>
</li>
<li><p>将moosefs源码拷贝到到<code>/moosefs</code>目录下，进入<code>/moosefs</code>目录安装mfs软件包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> moosefs/</span><br><span class="line">$ sudo ./configure --prefix=/usr/local/mfs --with-default-user=mfs --with-default-group=mfs</span><br><span class="line">$ sudo make && make install</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217115558.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217115632.png"></p>
</li>
<li><p>修改主配置文件</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> /usr/local/mfs/etc/mfs/</span><br><span class="line">$ sudo <span class="built_in">cp</span> mfschunkserver.cfg.sample mfschunkserver.cfg</span><br><span class="line">$ sudo <span class="built_in">cp</span> mfshdd.cfg.sample mfshdd.cfg</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217115959.png"></p>
<p>修改<code>mfschunkserver.cfg</code>文件内容如下</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo vi mfschunkserver.cfg</span><br></pre></td></tr></table></figure>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">MASTER_HOST = 10.128.255.181 #指向master服务器的ip地址,去掉注释符号</span><br><span class="line">MASTER_PORT = 9420</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217120337.png"></p>
<p>修改<code>mfshdd.cfg</code>文件内容如下</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">#添加一行</span></span><br><span class="line">/data </span><br><span class="line"><span class="comment">#这是一个给MFS的分区，生产环境中最好使用独立的分区，或者磁盘挂载到此目录下</span></span><br></pre></td></tr></table></figure></li>
</ol>
<h3 id="启动chunk-server"><a href="#启动chunk-server" class="headerlink" title="启动chunk server"></a>启动<code>chunk server</code></h3><ol>
<li><p>创建进程用户</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo useradd -s /sbin/nologin mfs</span><br></pre></td></tr></table></figure></li>
<li><p>创建MFS分区目录</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo <span class="built_in">mkdir</span> /data</span><br><span class="line">$ sudo <span class="built_in">chown</span> -R mfs:mfs /data/</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217120859.png"></p>
</li>
<li><p>授权、优化路径</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo <span class="built_in">chown</span> -R mfs.mfs /usr/local/mfs</span><br><span class="line">$ sudo <span class="built_in">ln</span> -s /usr/local/mfs/sbin/* /usr/local/bin/</span><br></pre></td></tr></table></figure></li>
<li><p>启动服务</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo mfschunkserver start</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217121020.png"></p>
</li>
<li><p>查看服务运行成功</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo netstat -anpt | grep mfschunkserve</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217182216.png"></p>
</li>
</ol>
<h2 id="配置客户端"><a href="#配置客户端" class="headerlink" title="配置客户端"></a>配置客户端</h2><h3 id="安装编译器、工具包-3"><a href="#安装编译器、工具包-3" class="headerlink" title="安装编译器、工具包"></a>安装编译器、工具包</h3><ol>
<li><p>输入如下命令，安装相关编译器、工具包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo apt install build-essential libpcap-dev zlib1g-dev libfuse-dev pkg-config</span><br><span class="line">$ sudo apt install fuse</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217171507.png"></p>
</li>
<li><p>将moosefs源码拷贝到到<code>/moosefs</code>目录下，进入<code>/moosefs</code>目录安装mfs软件包；</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">$ <span class="built_in">cd</span> moosefs/</span><br><span class="line">$ sudo ./configure --prefix=/usr/local/mfs --with-default-user=mfs --with-default-group=mfs</span><br><span class="line">$ sudo make && make install</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217171639.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217171716.png"></p>
</li>
</ol>
<h3 id="挂载MFS文件系统"><a href="#挂载MFS文件系统" class="headerlink" title="挂载MFS文件系统"></a>挂载MFS文件系统</h3><ol>
<li><p>创建进程用户</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo useradd -s /sbin/nologin mfs</span><br></pre></td></tr></table></figure></li>
<li><p>授权、优化路径</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ sudo <span class="built_in">chown</span> -R mfs.mfs /usr/local/mfs</span><br><span class="line">$ sudo <span class="built_in">ln</span> -s /usr/local/mfs/sbin/* /usr/local/bin/</span><br></pre></td></tr></table></figure></li>
<li><p>挂载MFS文件系统</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">#创建挂载点</span></span><br><span class="line">$ sudo <span class="built_in">mkdir</span> /mnt/mfs</span><br><span class="line"><span class="comment">#加载fuse模块到内核</span></span><br><span class="line">$ sudo modprobe fuse</span><br><span class="line"><span class="comment">#挂载MFS</span></span><br><span class="line">$ sudo /usr/local/mfs/bin/mfsmount /mnt/mfs/ -H 10.128.255.181</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217173730.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217173645.png"></p>
</li>
<li><p>启动</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo mfscgiserv start</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217182700.png"></p>
</li>
<li><p>查看是否启动成功</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">$ sudo netstat -anpt | grep mfs</span><br></pre></td></tr></table></figure>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217173859.png"></p>
</li>
<li><p>打开浏览器，输入url：<code>http://10.128.205.7:9425</code>，显示如下，配置成功</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217183000.png"></p>
</li>
<li><p>输入<code>master server</code>的ip地址，则会显示<code>master server</code>的相关信息</p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217183644.png"></p>
<p><img src="https://raw.githubusercontent.com/Leeyuxun/pic-storage/main/img/20191217183316.png"></p>
</li>
</ol>
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