forked from docs/doc-exports
Lu, Huayi
95132e24fc
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Reviewed-by: Rechenburg, Matthias <matthias.rechenburg@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
26 lines
4.6 KiB
HTML
26 lines
4.6 KiB
HTML
<a name="EN-US_TOPIC_0000001658895270"></a><a name="EN-US_TOPIC_0000001658895270"></a>
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<h1 class="topictitle1">Restoring a Snapshot to the Original Cluster</h1>
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<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_section16916151115416"><h4 class="sectiontitle">Scenario</h4><p id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_p8060118">You can use a snapshot to restore data to the original cluster. This function is used when a cluster is faulty or data needs to be rolled back to a specified snapshot version.</p>
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<div class="notice" id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_note1591219190419"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><ul id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_ul136410539385"><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_li298522613122">This function is supported only by clusters of version 8.1.3.200 or later.</li><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_li464115314388">Snapshots whose backup device is OBS can be backed up.</li><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_li7753054103811">Only a snapshot in the <strong id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001360169233_b2172841572">Available</strong> state can be used for restoration.</li><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_li1963173816313">Logical clusters and resource pools cannot be restored to the current cluster.</li></ul>
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</div></div>
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<div class="section" id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_section11615154410411"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_ol5756186144219"><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_li11756564426"><span>Log in to the GaussDB(DWS) management console.</span></li><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001423159701_en-us_topic_0000001360289709_en-us_topic_0000001180320217_li985319381394"><span>In the navigation pane, choose <strong id="EN-US_TOPIC_0000001658895270__b953185781410">Snapshots</strong>. All snapshots are displayed by default.</span></li><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001423159701_en-us_topic_0000001360289709_en-us_topic_0000001180320217_li344634433115"><span>In the snapshot list, locate the row that contains the target snapshot and click <strong id="EN-US_TOPIC_0000001658895270__b7382171715226">Restore</strong> in the <strong id="EN-US_TOPIC_0000001658895270__b688182072212">Operation</strong> column. The <strong id="EN-US_TOPIC_0000001658895270__b12914223192218">Restore Snapshot to New Cluster</strong> page is displayed.</span></li><li id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_li10756146124211"><span>Restore the snapshot to the current cluster.</span><p><p id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_p15792138142920"><span><img id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_image1356955104414" src="figure/en-us_image_0000001759518493.png" title="Click to enlarge" class="imgResize"></span></p>
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<div class="note" id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_note075619664220"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001658895270__en-us_topic_0000001372520214_en-us_topic_0000001360169233_en-us_topic_0000001180440091_p117561615425">If you use a snapshot to restore data to the original cluster, the cluster will be unavailable during the restoration.</p>
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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="dws_01_1015.html">Restoration Using a Snapshot</a></div>
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