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zhangyue
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Reviewed-by: Sabelnikov, Dmitriy <dmitriy.sabelnikov@t-systems.com> Co-authored-by: zhangyue <zhangyue164@huawei.com> Co-committed-by: zhangyue <zhangyue164@huawei.com>
56 lines
7.3 KiB
HTML
56 lines
7.3 KiB
HTML
<a name="obs_03_0320"></a><a name="obs_03_0320"></a>
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<h1 class="topictitle1">Restoring Objects from the Cold Storage</h1>
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<div id="body1499758606806"><p id="obs_03_0320__p23379164594">You must restore a Cold object before you can download it, access it with a URL, or configure its ACL or metadata.</p>
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<div class="section" id="obs_03_0320__section4893296416482"><h4 class="sectiontitle">Limitations and Constraints</h4><ul id="obs_03_0320__ul61631819193157"><li id="obs_03_0320__li32737718104115">If a Cold object is being restored, its restore task cannot be suspended or deleted.</li><li id="obs_03_0320__li5951866219320">An object being restored cannot be restored again.</li><li id="obs_03_0320__li453450111819">After an object is restored, an object copy in the Standard storage class will be generated. This way, there is a Cold object and also its Standard copy in the bucket. The copy will be automatically deleted once the restore expires.</li></ul>
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</div>
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<div class="section" id="obs_03_0320__section43802063165115"><h4 class="sectiontitle">Procedure</h4><ol id="obs_03_0320__ol59056539"><li id="obs_03_0320__li99821455306"><span>In the bucket list, click the bucket you want to operate. The <strong id="obs_03_0320__obs_03_0307_b144421021120">Overview</strong> page is displayed.</span></li><li id="obs_03_0320__li1733753692411"><span>In the navigation pane, choose <strong id="obs_03_0320__obs_03_0307_b51941856151917">Objects</strong>.</span></li><li id="obs_03_0320__li1463890417452"><span>Select the file you want to restore, and click <strong id="obs_03_0320__b1152845970184246">Restore</strong> on the right. The following dialog box shown in <a href="#obs_03_0320__fig37793164192736">Figure 1</a> is displayed.</span><p><p id="obs_03_0320__en-us_topic_0066036524_p18694614">You can select multiple files and click <strong id="obs_03_0320__b1919669813155639">Restore</strong> above the file list to batch restore the files.</p>
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<div class="note" id="obs_03_0320__note64111241151810"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="obs_03_0320__p141224101810">Objects that are being restored cannot be added for batch restore.</p>
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</div></div>
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<div class="fignone" id="obs_03_0320__fig37793164192736"><a name="obs_03_0320__fig37793164192736"></a><a name="fig37793164192736"></a><span class="figcap"><b>Figure 1 </b>Restoring an object</span><br><span><img id="obs_03_0320__image523819454177" src="en-us_image_0129533894.png" title="Click to enlarge" class="imgResize"></span></div>
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</p></li><li id="obs_03_0320__li51701018"><span>Configure the validity period and speed of the restore. The following table describes the parameters.</span><p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="obs_03_0320__table54198450164622" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for restoring objects</caption><thead align="left"><tr id="obs_03_0320__row20202933164622"><th align="left" class="cellrowborder" valign="top" width="23.68%" id="mcps1.3.3.2.4.2.1.2.3.1.1"><p id="obs_03_0320__p25824852164622">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="76.32%" id="mcps1.3.3.2.4.2.1.2.3.1.2"><p id="obs_03_0320__p11438256164622">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="obs_03_0320__row63287564164622"><td class="cellrowborder" valign="top" width="23.68%" headers="mcps1.3.3.2.4.2.1.2.3.1.1 "><p id="obs_03_0320__p26019055164622">Validity Period</p>
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</td>
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<td class="cellrowborder" valign="top" width="76.32%" headers="mcps1.3.3.2.4.2.1.2.3.1.2 "><p id="obs_03_0320__p27168719164622">How long the object will remain in the <strong id="obs_03_0320__b105713101419">Restored</strong> state. It starts once the object is restored. The value is an integer ranging from 1 to 30 (days). The default value is <strong id="obs_03_0320__b10735123615172">30</strong>.</p>
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<p id="obs_03_0320__p43191881164622">For example, if you set <strong id="obs_03_0320__b39195835171853">Validity Period</strong> to <strong id="obs_03_0320__b17218197171853">20</strong> when restoring an object, 20 days after the object is successfully restored, its status will change from <strong id="obs_03_0320__b34084818146">Restored</strong> to <strong id="obs_03_0320__b193925342113658">Unrestored</strong>.</p>
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</td>
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</tr>
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<tr id="obs_03_0320__row53182611164622"><td class="cellrowborder" valign="top" width="23.68%" headers="mcps1.3.3.2.4.2.1.2.3.1.1 "><p id="obs_03_0320__p12824228164622">Speed</p>
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</td>
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<td class="cellrowborder" valign="top" width="76.32%" headers="mcps1.3.3.2.4.2.1.2.3.1.2 "><p id="obs_03_0320__p32129513164622">How fast an object will be restored.</p>
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<ul id="obs_03_0320__ul20730162164622"><li id="obs_03_0320__li52353738164622"><strong id="obs_03_0320__b1582157145911">Expedited</strong>: Cold objects can be restored within 1 to 5 minutes.</li><li id="obs_03_0320__li1421601164622"><strong id="obs_03_0320__b0591717204614">Standard</strong>: Cold objects can be restored within 3 to 5 hours.</li><li id="obs_03_0320__li4862587191320"><strong id="obs_03_0320__b1759418742113726">Bulk</strong>: Large amounts, even gigabytes, of data can be restored within 5 to 12 hours at a low cost.</li></ul>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</p></li><li id="obs_03_0320__li1972912351264"><span>Click <strong id="obs_03_0320__b842352706183323">OK</strong>.</span><p><p id="obs_03_0320__p10132153742618">The <strong id="obs_03_0320__b335265113369">Restoration Status</strong> column in the object list displays the restore statuses of objects.</p>
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<p id="obs_03_0320__p1285581315719">You can click <span><img id="obs_03_0320__image0359833184910" src="en-us_image_0148639825.png"></span> to manually refresh the restore status.</p>
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<div class="note" id="obs_03_0320__note32356781143931"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="obs_03_0320__p15686904143943">The system checks the file restore status at UTC 00:00 every day. The system starts counting down the expiration time from the time when the latest check is complete.</p>
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</div></div>
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</p></li></ol>
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</div>
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<div class="section" id="obs_03_0320__section5638548116548"><h4 class="sectiontitle">Related Operations</h4><p id="obs_03_0320__p62215409165844">Within the validity period of a restored object, you can restore the object again. The validity period is then extended because it will start again when the latest restore is complete.</p>
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<div class="note" id="obs_03_0320__note51236328173052"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="obs_03_0320__p58473770173052">If a restored object is restored again, its expiration time should be later than the time set for the previous restore. Assume that an object is restored on January 1 and will expire 30 days later (on January 30). If the object is restored again on January 10 and is made to be expired earlier than January 30 (less than 20 days later), this restore action is considered invalid.</p>
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</div></div>
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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="obs_03_0315.html">Managing Objects</a></div>
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</div>
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</div>
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