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| <p>Ozone shell 的帮助命令既可以在 <em>对象</em> 级别调用,也可以在 <em>操作</em> 级别调用。 |
| 比如:</p> |
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| <div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh volume --help</code></pre></div> |
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| <p>此命令会列出所有对卷的可能操作。</p> |
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| <p>你也可以通过它查看特定操作的帮助,比如:</p> |
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| <div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh volume create --help</code></pre></div> |
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| <p>这条命令会给出 create 命令的命令行选项。</p> |
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| <p></p></p> |
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| <h3 id="通用命令格式">通用命令格式</h3> |
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| <p>Ozone shell 命令都遵照以下格式:</p> |
| |
| <blockquote> |
| <p><em>ozone sh object action url</em></p> |
| </blockquote> |
| |
| <p><strong>ozone</strong> 脚本用来调用所有 Ozone 子命令,ozone shell 通过 <code>sh</code> 子命令调用。</p> |
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| <p>对象可以是卷、桶或键,操作一般是各种动词,比如 create、list、delete 等等。</p> |
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| <p>Ozone URL 可以指向卷、桶或键,格式如下:</p> |
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| <p><em>[schema][server:port]/volume/bucket/key</em></p> |
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| <p>其中,</p> |
| |
| <ol> |
| <li><p><strong>Schema</strong> - 可选,默认为 <code>o3</code>,表示使用原生 RPC 协议来访问 Ozone API。</p></li> |
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| <li><p><strong>Server:Port</strong> - OM 的地址,如果省略了端口, 则使用 ozone-site.xml 中的默认端口。</p></li> |
| </ol> |
| |
| <p>根据具体的命令不同,卷名、桶名和键名将用来构成 URL,卷、桶和键命令的文档有更多具体的说明。</p> |
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