https://linzeyan.github.io/zh-tw/categories/lvm/Recent content in LVM on RickyHugo -- gohugo.iozh-twMon, 05 Sep 2022 15:32:05 +0800https://linzeyan.github.io/zh-tw/posts/2022/20220905-system-lvm/Mon, 05 Sep 2022 15:32:05 +0800https://linzeyan.github.io/zh-tw/posts/2022/20220905-system-lvm/<ul> <li><a href="https://ansible.cloudns.pro/post/system/lvm/" target="_blank" rel="noopener">LVM - lvg 與 lvol</a></li> </ul> <h5 id="卷群組">卷群組</h5> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-yaml" data-lang="yaml"><span style="display:flex;"><span>- <span style="color:#f92672">name</span>: <span style="color:#ae81ff">在 /dev/sda1 跟 /dev/sdb1 之上建立 volume group，其 extend size 設置為 32MB</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">community.general.lvg</span>: </span></span><span style="display:flex;"><span> <span style="color:#f92672">vg</span>: <span style="color:#ae81ff">vg.services</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">pvs</span>: <span style="color:#ae81ff">/dev/sda1,/dev/sdb1</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">pesize</span>: <span style="color:#ae81ff">32</span> </span></span></code></pre></div><h5 id="本地卷">本地卷</h5> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-yaml" data-lang="yaml"><span style="display:flex;"><span>- <span style="color:#f92672">name</span>: <span style="color:#ae81ff">建立一個大小為 512m 的 local volume</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">community.general.lvol</span>: </span></span><span style="display:flex;"><span> <span style="color:#f92672">vg</span>: <span style="color:#ae81ff">firefly</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">lv</span>: <span style="color:#ae81ff">test</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">size</span>: <span style="color:#ae81ff">512</span> </span></span></code></pre></div><h5 id="範例">範例</h5> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-yaml" data-lang="yaml"><span style="display:flex;"><span>--- </span></span><span style="display:flex;"><span>- <span style="color:#f92672">name</span>: <span style="color:#ae81ff">Create LVM for DRBD</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">hosts</span>: <span style="color:#ae81ff">all</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">become</span>: <span style="color:#66d9ef">yes</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">vars</span>: </span></span><span style="display:flex;"><span> <span style="color:#f92672">vg_name</span>: <span style="color:#ae81ff">drbdpool</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">tasks</span>: </span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">Create a new primary partition for LVM</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">community.general.parted</span>: </span></span><span style="display:flex;"><span> <span style="color:#f92672">device</span>: <span style="color:#ae81ff">/dev/sdb</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">number</span>: <span style="color:#ae81ff">1</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">align</span>: <span style="color:#ae81ff">optimal</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">flags</span>: [<span style="color:#ae81ff">lvm]</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">state</span>: <span style="color:#ae81ff">present</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">Create a volume group on top of /dev/sda1 with physical extent size = 32MB</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">community.general.lvg</span>: </span></span><span style="display:flex;"><span> <span style="color:#f92672">vg</span>: <span style="color:#e6db74">&#34;{{ vg_name }}&#34;</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">pvs</span>: <span style="color:#ae81ff">/dev/sdb1</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">state</span>: <span style="color:#ae81ff">present</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">Create a logical volume</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">community.general.lvol</span>: </span></span><span style="display:flex;"><span> <span style="color:#f92672">vg</span>: <span style="color:#e6db74">&#34;{{ vg_name }}&#34;</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">lv</span>: <span style="color:#ae81ff">drbddata</span> </span></span><span style="display:flex;"><span> <span style="color:#f92672">size</span>: <span style="color:#ae81ff">100</span><span style="color:#ae81ff">%FREE</span> </span></span></code></pre></div>