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lizaoxu
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Reviewed-by: Muller, Martin <martin.muller@t-systems.com> Co-authored-by: lizaoxu <lizaoxu@huawei.com> Co-committed-by: lizaoxu <lizaoxu@huawei.com>
20 lines
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20 lines
4.0 KiB
HTML
<a name="evs_01_0012"></a><a name="evs_01_0012"></a>
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<h1 class="topictitle1">Rolling Back Disk Data from a Snapshot</h1>
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<div id="body8662426"><div class="section" id="evs_01_0012__en-us_topic_0077499986_section1820473161254"><h4 class="sectiontitle">Scenarios</h4><p id="evs_01_0012__en-us_topic_0077499986_p3156307615959">If data on an EVS disk is incorrect or damaged, you can roll back data from a snapshot to the source disk.</p>
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</div>
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<div class="section" id="evs_01_0012__en-us_topic_0077499986_section137571154203410"><h4 class="sectiontitle">Notes and Constraints</h4><ul id="evs_01_0012__en-us_topic_0077499986_ul0831654113415"><li id="evs_01_0012__en-us_topic_0077499986_li88311154183410">Snapshot data can only be rolled back to source EVS disks. Rollback to a different disk is not possible.</li><li id="evs_01_0012__en-us_topic_0077499986_li283115473420">You can only roll back disk data from a snapshot when the source disk status is <strong id="evs_01_0012__en-us_topic_0077499986_b15284191084216">Available</strong> (not attached to any server) or <strong id="evs_01_0012__en-us_topic_0077499986_b238291464213">Rollback failed</strong>. If the source disk is attached, detach the disk first.</li><li id="evs_01_0012__en-us_topic_0077499986_li563174624118">If a snapshot is being created, it cannot be used to roll back disk data.</li></ul>
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</div>
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<div class="section" id="evs_01_0012__en-us_topic_0077499986_section494994783918"><h4 class="sectiontitle">Rolling Back Disk Data from a Snapshot</h4><ol id="evs_01_0012__en-us_topic_0077499986_ol46566557174233"><li id="evs_01_0012__en-us_topic_0077499986_li8745164112119"><span>Sign in to the console.</span></li><li id="evs_01_0012__en-us_topic_0077499986_li43017210174233"><span>Click <span><img id="evs_01_0012__en-us_topic_0044524703_image052111582392" src="en-us_image_0237893718.png"></span> in the upper left corner and select a region.</span></li><li id="evs_01_0012__en-us_topic_0077499986_li62005093202528"><span>Click <span><img id="evs_01_0012__en-us_topic_0044524703_image8512125016910" src="en-us_image_0000001933286285.jpg"></span> in the upper left corner and choose <strong id="evs_01_0012__en-us_topic_0044524703_b16454831142410">Storage</strong> > <strong id="evs_01_0012__en-us_topic_0044524703_b078312334243">Elastic Volume Service</strong>.</span><p><p id="evs_01_0012__en-us_topic_0044524703_p39752386175539">The <strong id="evs_01_0012__en-us_topic_0044524703_b124702782719">Elastic Volume Service</strong> page is displayed.</p>
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</p></li><li id="evs_01_0012__en-us_topic_0077499986_li19707093174233"><span>In the navigation pane on the left, choose <strong id="evs_01_0012__en-us_topic_0077499986_b842352706142731">Elastic Volume Service</strong> > <strong id="evs_01_0012__en-us_topic_0077499986_b842352706142734">Snapshots</strong>.</span><p><p id="evs_01_0012__en-us_topic_0077499986_p61842000174233">The <strong id="evs_01_0012__en-us_topic_0077499986_b1514761210544">Snapshots</strong> page is displayed.</p>
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</p></li><li id="evs_01_0012__en-us_topic_0077499986_li11453162018512"><span>In the snapshot list, locate the target snapshot and click <strong id="evs_01_0012__en-us_topic_0077499986_b6872164914412">Roll Back Disk</strong> in the <strong id="evs_01_0012__en-us_topic_0077499986_b13872649124115">Operation</strong> column.</span></li><li id="evs_01_0012__en-us_topic_0077499986_li13320139144118"><span>In the displayed dialog box, click <strong id="evs_01_0012__en-us_topic_0077499986_b166591621164115">Yes</strong>.</span><p><p id="evs_01_0012__en-us_topic_0077499986_p15321153934120">The snapshot list is displayed. After the snapshot status changes from <strong id="evs_01_0012__en-us_topic_0077499986_b1157365125519">Rolling back</strong> to <strong id="evs_01_0012__en-us_topic_0077499986_b185747585515">Available</strong>, the data rollback is successful.</p>
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</p></li></ol>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_2720.html">Using EVS Snapshots</a></div>
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</div>
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</div>
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