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Wang , Deng Ke
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com> Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
21 lines
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21 lines
5.1 KiB
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<a name="dds_03_0043"></a><a name="dds_03_0043"></a>
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<h1 class="topictitle1">Restoring a Replica Set Instance from a Backup</h1>
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<div id="body1513852391079"><div class="section" id="dds_03_0043__section20967309195347"><h4 class="sectiontitle"><strong id="dds_03_0043__b84235270694112">Scenarios</strong></h4><p id="dds_03_0043__p12651122816811">This section guides you on how to restore a replica set instance from a backup.</p>
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<div class="note" id="dds_03_0043__note198178299215"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dds_03_0043__p6798239142517">Currently, <span id="dds_03_0043__text1138991044620">DDS</span> only supports restoring backups to a new DB instance.</p>
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<div class="section" id="dds_03_0043__section5636963115314"><h4 class="sectiontitle">Method 1</h4><ol id="dds_03_0043__ol61173609153117"><li id="dds_03_0043__li312682313217"><span><a href="dds_02_0043.html">Log in to the DDS console.</a></span></li><li id="dds_03_0043__li34566410153117"><span>On the <strong id="dds_03_0043__b84235270615219">Instance Management</strong> page, click the target replica set instance.</span></li><li id="dds_03_0043__li187932301440"><span>In the navigation pane on the left, click <span class="uicontrol" id="dds_03_0043__uicontrol161934275018"><b>Backups & Restorations</b></span>.</span></li><li id="dds_03_0043__li56577057154136"><span>On the <strong id="dds_03_0043__b842352706154110">Backups & Restorations</strong> page, locate the target backup in the backup list and click <strong id="dds_03_0043__b842352706154158">Restore</strong> in the <strong id="dds_03_0043__b84235270615428">Operation</strong> column. In the displayed dialog box, click <span class="uicontrol" id="dds_03_0043__uicontrol23094277715435"><b>OK</b></span>. </span></li><li id="dds_03_0043__li1666195115133"><span>On the displayed page, create a DB instance using the same configurations as the backup. The new DB instance is independent from the original one.</span><p><ul id="dds_03_0043__ul47340213174014"><li id="dds_03_0043__li3477171483016">You are recommended to deploy the restored DB instance in a different AZ to ensure that applications will not be adversely affected by the failure in any single AZ, improving data reliability.</li><li id="dds_03_0043__li13824155912588">The database type, DB instance type, compatible MongoDB version, storage engine, and storage type must be the same as those of the original and cannot be changed.</li><li id="dds_03_0043__li9352044174014">The storage space is the same as that of the original instance by default. You can only increase the storage space.</li><li id="dds_03_0043__li129335133567">Other settings are the same as those of the original DB instance by default and can be modified. For details, see section <a href="dds_02_0012.html">Creating a Replica Set Instance</a>.</li></ul>
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</p></li></ol>
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<div class="section" id="dds_03_0043__section33115794114910"><h4 class="sectiontitle">Method 2</h4><ol id="dds_03_0043__ol47948639114632"><li id="dds_03_0043__li53510464281"><span><a href="dds_02_0043.html">Log in to the DDS console.</a></span></li><li id="dds_03_0043__li171381943345"><span>In the navigation pane on the left, click <span class="uicontrol" id="dds_03_0043__uicontrol133551439031"><b>Backup Management</b></span>.</span></li><li id="dds_03_0043__li28884567114632"><span>On the <strong id="dds_03_0043__b171162811">Backup Management</strong> page, click the <strong id="dds_03_0043__b842352706172325">Replica Sets</strong> tab, locate the backup to restore, and click <span class="uicontrol" id="dds_03_0043__uicontrol1943725910314"><b>Restore</b></span> in the <strong id="dds_03_0043__b698343099">Operation</strong> column. In the displayed dialog box, click <span class="uicontrol" id="dds_03_0043__uicontrol692720213"><b>OK</b></span>. </span></li><li id="dds_03_0043__li57948597114632"><span>On the displayed page, create a DB instance using the same configurations as the backup. The new DB instance is independent from the original one.</span><p><ul id="dds_03_0043__dds_03_0043_ul47340213174014"><li id="dds_03_0043__dds_03_0043_li3477171483016">You are recommended to deploy the restored DB instance in a different AZ to ensure that applications will not be adversely affected by the failure in any single AZ, improving data reliability.</li><li id="dds_03_0043__dds_03_0043_li13824155912588">The database type, DB instance type, compatible MongoDB version, storage engine, and storage type must be the same as those of the original and cannot be changed.</li><li id="dds_03_0043__dds_03_0043_li9352044174014">The storage space is the same as that of the original instance by default. You can only increase the storage space.</li><li id="dds_03_0043__dds_03_0043_li129335133567">Other settings are the same as those of the original DB instance by default and can be modified. For details, see section <a href="dds_02_0012.html">Creating a Replica Set Instance</a>.</li></ul>
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</p></li></ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dds_03_0006.html">Backup and Restore</a></div>
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