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>
35 lines
9.4 KiB
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35 lines
9.4 KiB
HTML
<a name="EN-US_TOPIC_0000001659054570"></a><a name="EN-US_TOPIC_0000001659054570"></a>
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<h1 class="topictitle1">Creating a Manual Snapshot</h1>
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<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_section1477216229438"><h4 class="sectiontitle">Prerequisites</h4><p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_p1065715319430">A cluster snapshot is a complete backup that records point-in-time configuration data and service data of a GaussDB(DWS) cluster. This section describes how to create a snapshot on the <span class="parmname" id="EN-US_TOPIC_0000001659054570__parmname1891214139817"><b>Snapshots</b></span> page to back up cluster data.</p>
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<p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_p16338147171311">A manual snapshot can be created at any time. It will be retained until it is deleted from the GaussDB(DWS) console. Manual snapshots are full backup data, which takes a long time to create.</p>
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<div class="note" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_note166571431154313"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_ul15451824182318"><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_li1654542410236">Manual cluster snapshots can be backed up to OBS.</li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_li1727592842316">To create a manual snapshot of a cluster, the cluster state must be <strong id="EN-US_TOPIC_0000001659054570__b094855135910">Available</strong>, <strong id="EN-US_TOPIC_0000001659054570__b1194195595915">To be restarted</strong>, or <strong id="EN-US_TOPIC_0000001659054570__b69445519590">Unbalanced</strong>. In cluster versions earlier than 8.1.3.101, you can also create a snapshot of a cluster in the <strong id="EN-US_TOPIC_0000001659054570__b1795135518599">Read-only</strong> state.</li></ul>
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</div></div>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_section11322194214310"><h4 class="sectiontitle">Impact on the System</h4><p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_p18083415240">If a snapshot is being created for a cluster, the cluster cannot be restarted, scaled, its password cannot be reset, and its configurations cannot be modified.</p>
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<div class="note" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_note7511115534315"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_p9680205553411">To ensure the integrity of snapshot data, do not write data during snapshot creation.</p>
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</div></div>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_section16983121394412"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_ol18177133210270"><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_li16457172684412"><span>Log in to the GaussDB(DWS) management console.</span></li><li id="EN-US_TOPIC_0000001659054570__li197611596162"><span>In the navigation pane, choose <strong id="EN-US_TOPIC_0000001659054570__b2526125895920">Snapshots</strong>.</span></li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_li2339550133613"><span>In the navigation pane, choose <strong id="EN-US_TOPIC_0000001659054570__b136511118122215">Snapshots</strong>. Click <strong id="EN-US_TOPIC_0000001659054570__b138167259229">Create Snapshot</strong> in the upper right corner. Alternatively, choose <strong id="EN-US_TOPIC_0000001659054570__b1688012772313">More </strong>><strong id="EN-US_TOPIC_0000001659054570__b2055459192319"> Create Snapshot </strong>in the <strong id="EN-US_TOPIC_0000001659054570__b64242126233">Operation</strong> column on the <strong id="EN-US_TOPIC_0000001659054570__b12224659161112">Dedicated Clusters</strong> page.</span><p><p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_p1668313135815"><span><img id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_image9995172135810" src="figure/en-us_image_0000001759358513.png" title="Click to enlarge" class="imgResize"></span></p>
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<p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_p191554818585"><span><img id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_image340293583" src="figure/en-us_image_0000001711598968.png" title="Click to enlarge" class="imgResize"></span></p>
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</p></li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_li9570855124212"><span>Configure the following snapshot information:</span><p><ul id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_ul17681548396"><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_li476874813917"><span class="parmname" id="EN-US_TOPIC_0000001659054570__parmname199751618161012"><b>Cluster Name</b></span>: Select a GaussDB(DWS) cluster from the drop-down list. The drop-down list only displays clusters that are in the <span class="parmvalue" id="EN-US_TOPIC_0000001659054570__parmvalue15733944124218"><b>Available</b></span> state.</li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_li14768154818912"><span class="parmname" id="EN-US_TOPIC_0000001659054570__parmname13192051141316"><b>Snapshot Name</b></span>: Enter a snapshot name. The snapshot name must be 4 to 64 characters in length and start with a letter. It is case-insensitive and contains only letters, digits, hyphens (-), and underscores (_).</li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_li85001615185617"><strong id="EN-US_TOPIC_0000001659054570__b107507404307">Snapshot Level</strong>: Select <strong id="EN-US_TOPIC_0000001659054570__b686044333116">cluster</strong>.</li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_li67687481598"><span class="parmname" id="EN-US_TOPIC_0000001659054570__parmname93925117148"><b>Snapshot Description</b></span>: Enter the snapshot information. This parameter is optional. Snapshot information contains 0 to 256 characters and does not support the following special characters: !<>'=&"</li></ul>
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<p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_p12581651569"><span><img id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_image7581165155612" src="figure/en-us_image_0000001711439500.png" title="Click to enlarge" class="imgResize"></span></p>
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</p></li><li id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_li10757512816"><span>Click <strong id="EN-US_TOPIC_0000001659054570__b226511569313">Create</strong>.</span><p><p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_p1745872694420">Task status of the cluster for which you are creating a snapshot is <span class="parmvalue" id="EN-US_TOPIC_0000001659054570__parmvalue1764113576164"><b>Creating snapshot</b></span>. The status of the snapshot that is being created is <span class="parmvalue" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001307409958_parmvalue138753316179"><b>Creating</b></span>. After the snapshot is created, its status changes to <span class="parmvalue" id="EN-US_TOPIC_0000001659054570__parmvalue83073612175"><b>Available</b></span>.</p>
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<div class="note" id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_note124581926104417"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001659054570__en-us_topic_0000001372679766_en-us_topic_0000001307409958_en-us_topic_0000001134400690_p1145818267444">If the snapshot size is much greater than that of the data stored in the cluster, the data is possibly labeled with a deletion tag, but is not cleared and reclaimed. In this case, clear the data and recreate a snapshot. For details, see <a href="dws_03_0033.html">How Can I Clear and Reclaim the Storage Space?</a></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="dws_01_0092.html">Manual Snapshots</a></div>
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</div>
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</div>
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