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<title data-rh="true">Feature Flags | Rancher</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://ranchermanager.docs.rancher.com/zh/v2.0-v2.4/reference-guides/installation-references/feature-flags"><meta data-rh="true" name="docusaurus_locale" content="zh"><meta data-rh="true" name="docsearch:language" content="zh"><meta data-rh="true" name="docusaurus_version" content="2.0-2.4"><meta data-rh="true" name="docusaurus_tag" content="docs-default-2.0-2.4"><meta data-rh="true" name="docsearch:version" content="2.0-2.4"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-2.0-2.4"><meta data-rh="true" property="og:title" content="Feature Flags | Rancher"><meta data-rh="true" name="description" content="Feature flags were introduced to allow you to try experimental features that are not enabled by default."><meta data-rh="true" property="og:description" content="Feature flags were introduced to allow you to try experimental features that are not enabled by default."><link data-rh="true" rel="icon" href="/zh/img/favicon.png"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/v2.0-v2.4/reference-guides/installation-references/feature-flags" hreflang="en"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/zh/v2.0-v2.4/reference-guides/installation-references/feature-flags" hreflang="zh"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/v2.0-v2.4/reference-guides/installation-references/feature-flags" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://30NEY6C9UY-dsn.algolia.net" crossorigin="anonymous"><link data-rh="true" rel="canonical" href="https://ranchermanager.docs.rancher.com/getting-started/installation-and-upgrade/installation-references/feature-flags"><link rel="preconnect" href="https://www.googletagmanager.com">
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content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本:v2.0-v2.4</span><div class="theme-doc-markdown markdown"><header><h1>Feature Flags</h1></header><p>Feature flags were introduced to allow you to try experimental features that are not enabled by default.</p><p>To learn about feature values and how to enable features, refer <a href="/zh/v2.0-v2.4/pages-for-subheaders/enable-experimental-features">here</a>.</p><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>备注</div><div class="admonitionContent_S0QG"><p>As of v2.4.0, there are some feature flags that may require a restart of the Rancher server container. These features that require a restart are marked in the table of these docs and in the UI.</p></div></div><p>The following is a list of the feature flags available in Rancher:</p><ul><li><code>dashboard</code>: This feature enables the new experimental UI that has a new look and feel. The dashboard also leverages a new API in Rancher which allows the UI to access the default Kubernetes resources without any intervention from Rancher.</li><li><code>istio-virtual-service-ui</code>: This feature enables a <a href="/zh/v2.0-v2.4/getting-started/installation-and-upgrade/advanced-options/enable-experimental-features/istio-traffic-management-features">UI to create, read, update, and delete Istio virtual services and destination rules</a>, which are traffic management features of Istio.</li><li><code>proxy</code>: This feature enables Rancher to use a new simplified code base for the proxy, which can help enhance performance and security. The proxy feature is known to have issues with Helm deployments, which prevents any catalog applications to be deployed which includes Rancher&#x27;s tools like monitoring, logging, Istio, etc.</li><li><code>unsupported-storage-drivers</code>: This feature <a href="/zh/v2.0-v2.4/getting-started/installation-and-upgrade/advanced-options/enable-experimental-features/unsupported-storage-drivers">allows unsupported storage drivers.</a> In other words, it enables types for storage providers and provisioners that are not enabled by default.</li></ul><p>The below table shows the availability and default value for feature flags in Rancher:</p><table><thead><tr><th>Feature Flag Name</th><th>Default Value</th><th>Status</th><th>Available as of</th><th>Rancher Restart Required?</th></tr></thead><tbody><tr><td><code>dashboard</code></td><td><code>true</code></td><td>Experimental</td><td>v2.4.0</td><td>x</td></tr><tr><td><code>istio-virtual-service-ui</code></td><td><code>false</code></td><td>Experimental</td><td>v2.3.0</td><td></td></tr><tr><td><code>istio-virtual-service-ui</code></td><td><code>true</code></td><td>GA</td><td>v2.3.2</td><td></td></tr><tr><td><code>proxy</code></td><td><code>false</code></td><td>Experimental</td><td>v2.4.0</td><td></td></tr><tr><td><code>unsupported-storage-drivers</code></td><td><code>false</code></td><td>Experimental</td><td>v2.3.0</td><td></td></tr></tbody></table></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/rancher/rancher-docs/edit/main/versioned_docs/version-2.0-2.4/reference-guides/installation-references/feature-flags.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>编辑此页</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">最后<!-- -->于 <b><time datetime="2023-05-26T18:18:59.000Z">2023年5月26日</time></b> <!-- -->更新</span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="文档分页导航"><a class="pagination-nav__link pagination-nav__link--prev" href="/zh/v2.0-v2.4/reference-guides/installation-references/tls-settings"><div class="pagination-nav__sublabel">上一页</div><div class="pagination-nav__label">TLS Settings</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/zh/v2.0-v2.4/reference-guides/installation-references/amazon-eks-permissions"><div class="pagination-nav__sublabel">下一页</div><div class="pagination-nav__label">Creating an EKS Cluster</div></a></nav></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2023 SUSE Rancher. 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