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guoyanyan
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Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com> Co-authored-by: guoyanyan <guoyanyan3@huawei.com> Co-committed-by: guoyanyan <guoyanyan3@huawei.com>
23 lines
4.4 KiB
HTML
23 lines
4.4 KiB
HTML
<a name="as_04_0107"></a><a name="as_04_0107"></a>
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<h1 class="topictitle1">Configuring Instance Protection</h1>
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<div id="body1505441299081"><div class="section" id="as_04_0107__section68401743312"><h4 class="sectiontitle">Scenarios</h4><p id="as_04_0107__p5597657210920">To control whether a instance can be removed automatically from an AS group, use instance protection. Once configured, when AS automatically scales in the AS group, the instance that is protected will not be removed.</p>
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</div>
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<div class="section" id="as_04_0107__section33767911104059"><h4 class="sectiontitle">Prerequisites</h4><div class="p" id="as_04_0107__p24334635111917">Instance protection does not protect instances from the following:<ul id="as_04_0107__ul64867070111958"><li id="as_04_0107__li53144154111958">Health check replacement if the instance fails health checks</li><li id="as_04_0107__li7530062112010">Manual removal<div class="note" id="as_04_0107__note22815101111315"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="as_04_0107__ul1398872841611"><li id="as_04_0107__li94051919172615">Instance protection does not protect unhealthy instances because such instances cannot provide services.</li><li id="as_04_0107__li8988192810161">By default, instance protection does not take effect on the ECSs that are newly created in or added to an AS group.</li><li id="as_04_0107__li1198892816169">If an instance is removed from an AS group, its instance protection setting is lost.</li></ul>
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</div></div>
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</li></ul>
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<div class="section" id="as_04_0107__section35538053104144"><h4 class="sectiontitle">Enabling Instance Protection</h4><ol id="as_04_0107__ol23369370112631"><li id="as_04_0107__en-us_topic_0118498861_l67f1c4bb070b4f3d9b83021e83da345b">Log in to the management console.</li><li id="as_04_0107__li5914166211049">Click <span><img id="as_04_0107__image682434081310" src="en-us_image_0210485079.png"></span> in the upper left corner and select the desired region and project.</li><li id="as_04_0107__li88631121133719">Under <strong id="as_04_0107__b12646543155016">Computing</strong>, click <strong id="as_04_0107__b16658124365013">Auto Scaling</strong>. In the navigation pane on the left, choose <strong id="as_04_0107__b2659124318506">Instance Scaling</strong>. Then click the <strong id="as_04_0107__b16591943125012">AS Groups</strong> tab.</li><li id="as_04_0107__li64603832112640">Click the name of the target AS group.</li><li id="as_04_0107__li4171482711427">Click the <strong id="as_04_0107__b10601239215">Instances</strong> tab. Select one or more instances and choose <strong id="as_04_0107__b136816391417">Enable Instance Protection</strong> from the <strong id="as_04_0107__b2681339919">More</strong> drop-down list. In the displayed <strong id="as_04_0107__b9688391017">Enable Instance Protection</strong> dialog box, click <strong id="as_04_0107__b1468539014">Yes</strong>.</li></ol>
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</div>
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<div class="section" id="as_04_0107__section42597752104218"><h4 class="sectiontitle">Disabling Instance Protection</h4><ol id="as_04_0107__ol62220677"><li id="as_04_0107__li156062513812">Log in to the management console.</li></ol>
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<ol id="as_04_0107__ol5398190615277"><li id="as_04_0107__li1045830015277">Click <span><img id="as_04_0107__image91081337161511" src="en-us_image_0210485079.png"></span> in the upper left corner and select the desired region and project.</li><li id="as_04_0107__li1366115923712">Under <strong id="as_04_0107__b0606846185011">Computing</strong>, click <strong id="as_04_0107__b186111246135015">Auto Scaling</strong>. In the navigation pane on the left, choose <strong id="as_04_0107__b106121463508">Instance Scaling</strong>. Then click the <strong id="as_04_0107__b7613124625010">AS Groups</strong> tab.</li><li id="as_04_0107__li24631284383">Click the name of the target AS group.</li><li id="as_04_0107__li3165273815277">Click the <strong id="as_04_0107__b360492752184813">Instances</strong> tab. Select one or more instances and choose <strong id="as_04_0107__b155508894801517">Disable Instance Protection</strong> from the <strong id="as_04_0107__b1605866210192941">More</strong> drop-down list. In the displayed <strong id="as_04_0107__b140981100184827">Disable Instance Protection</strong> dialog box, click <strong id="as_04_0107__b91471367184827">Yes</strong>.</li></ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="as_04_0100.html">Scaling Action</a></div>
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</div>
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</div>
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