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Yang, Tong
2195db241c
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Reviewed-by: Rechenburg, Matthias <matthias.rechenburg@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
20 lines
5.0 KiB
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20 lines
5.0 KiB
HTML
<a name="admin_guide_000229"></a><a name="admin_guide_000229"></a>
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<h1 class="topictitle1">Managing Local Quick Restoration Tasks</h1>
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<div id="body1530063359512"><div class="section" id="admin_guide_000229__sab67f11363644800a42a4a32dbea3968"><h4 class="sectiontitle">Scenario</h4><p id="admin_guide_000229__en-us_topic_0046736777_p29282509">When DistCp is used to back up data, the backup snapshot is saved to HDFS of the active cluster. <span id="admin_guide_000229__text67509419010">MRS</span> Manager supports using the local snapshot for quick data restoration, requiring less time than restoring data from the standby cluster.</p>
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<p id="admin_guide_000229__en-us_topic_0046736777_p62215991">Use <span id="admin_guide_000229__text8508182731910">MRS</span> Manager and the snapshots on HDFS of the active cluster to create a local quick restoration task and execute the task.</p>
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<div class="section" id="admin_guide_000229__s2dccbf5a94694504a0b935eae55bb78a"><h4 class="sectiontitle">Procedure</h4><ol id="admin_guide_000229__en-us_topic_0046736777_ol51526407"><li id="admin_guide_000229__en-us_topic_0046736777_li61084480"><span>On <span id="admin_guide_000229__text14935128171911">MRS</span> Manager, choose <strong id="admin_guide_000229__b131309455309">O&M</strong> > <strong id="admin_guide_000229__b51307458308">Backup and Restoration</strong> > <strong id="admin_guide_000229__b171312454308">Backup Management</strong>.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li12889416"><span>In the backup task list, locate a created task and click <span class="uicontrol" id="admin_guide_000229__uicontrol1994555567113453"><b>Restore</b></span> in the <strong id="admin_guide_000229__b505470940113453">Operation</strong> column.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li37409807"><span>Check whether the system displays "No data is available for quick restoration. Create a task on the restoration management page to restore data".</span><p><ul id="admin_guide_000229__en-us_topic_0046736777_ul1143943"><li id="admin_guide_000229__en-us_topic_0046736777_li10295489">If yes, click <strong id="admin_guide_000229__b550152612323">OK</strong> to close the dialog box. No backup data snapshot is created in the active cluster, and no further action is required.</li><li id="admin_guide_000229__en-us_topic_0046736777_li25550543">If no, go to <a href="#admin_guide_000229__en-us_topic_0046736777_q_rec_set">Step 4</a> to create a local quick restoration task.</li></ul>
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<div class="note" id="admin_guide_000229__note56588517105024"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="admin_guide_000229__p39534612105024">Metadata does not support quick restoration.</p>
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</p></li><li id="admin_guide_000229__en-us_topic_0046736777_q_rec_set"><a name="admin_guide_000229__en-us_topic_0046736777_q_rec_set"></a><a name="en-us_topic_0046736777_q_rec_set"></a><span>Set <strong id="admin_guide_000229__b1083412739113453">Name</strong> to the name of the local quick restoration task.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li37190668"><span>Set <strong id="admin_guide_000229__b16142245173518">Configuration</strong> to a data source.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li66280560"><span>Set <strong id="admin_guide_000229__b429828024113453">Recovery Point List</strong> to a recovery point that contains the backup data.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li59654132"><span>Set <strong id="admin_guide_000229__b282361655113453">Queue Name</strong> to the name of the Yarn queue used in the task execution. The name must be the same as the name of the queue that is running properly in the cluster.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li16281"><span>Set <strong id="admin_guide_000229__b172100574425">Data Configuration</strong> to the object to be recovered.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li146537"><span>Click <strong id="admin_guide_000229__b72046614433">Verify</strong>, and wait for the system to display "The restoration task configuration is verified successfully."</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li1318835"><span>Click <strong id="admin_guide_000229__b455466212113453">OK</strong>.</span></li><li id="admin_guide_000229__en-us_topic_0046736777_li39716838"><span>In the restoration task list, locate a created task and click <strong id="admin_guide_000229__b16991029154620">Start</strong> in the <strong id="admin_guide_000229__b8992429144619">Operation</strong> column to execute the restoration task.</span><p><p id="admin_guide_000229__p25021617114517">After the task is complete, <strong id="admin_guide_000229__b19323523462">Task Status</strong> of the task is displayed as <strong id="admin_guide_000229__b2026519563466">Successful</strong>.</p>
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</p></li></ol>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="admin_guide_000198.html">Backup and Recovery Management</a></div>
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