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weihongmin1
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Reviewed-by: Sabelnikov, Dmitriy <dmitriy.sabelnikov@t-systems.com> Co-authored-by: weihongmin1 <weihongmin1@huawei.com> Co-committed-by: weihongmin1 <weihongmin1@huawei.com>
59 lines
7.4 KiB
HTML
59 lines
7.4 KiB
HTML
<a name="obs_03_1068"></a><a name="obs_03_1068"></a>
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<h1 class="topictitle1">Restoring a File or Folder</h1>
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<div id="body0000001239290515"><p id="obs_03_1068__en-us_topic_0050399192_p56733739164543">Restore Cold objects before downloading them.</p>
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<div class="section" id="obs_03_1068__en-us_topic_0050399192_section4893296416482"><h4 class="sectiontitle">Context</h4><p id="obs_03_1068__en-us_topic_0050399192_p31540868164954">Cold storage is secure, durable, and inexpensive for storing data that is rarely accessed (averagely once a year). It is suitable for data archiving and long-term backup. This storage class allows you to safely store your data with low costs. However, it may take hours to restore data stored in this class.</p>
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<p id="obs_03_1068__en-us_topic_0050399192_p2612275165125">If a Cold object is being restored, you cannot suspend or delete the restore task.</p>
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<p id="obs_03_1068__en-us_topic_0050399192_p60930396224649">Objects in the <strong id="obs_03_1068__b6576154114286">Restoring</strong> state cannot be restored again.</p>
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</div>
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<div class="section" id="obs_03_1068__section113666423811"><h4 class="sectiontitle">Procedure</h4><ol id="obs_03_1068__en-us_topic_0050399192_ol59056539"><li id="obs_03_1068__en-us_topic_0050399192_li61746807"><span>Log in to OBS Browser+.</span></li><li id="obs_03_1068__en-us_topic_0050399192_li18850355"><span>Go to the object list in the target bucket.</span></li><li id="obs_03_1068__en-us_topic_0050399192_li50483800"><span>Select the file or folder you want to restore and choose <strong id="obs_03_1068__b10856134613395">More</strong> > <strong id="obs_03_1068__b131451451183917">Restore Object</strong>.</span><p><div class="fignone" id="obs_03_1068__fig28331433184819"><span class="figcap"><b>Figure 1 </b>Restoring an object</span><br><span><img id="obs_03_1068__image111444272483" src="en-us_image_0000002126249513.png" title="Click to enlarge" class="imgResize"></span></div>
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<p id="obs_03_1068__p1522116118478">To restore an object, you must configure the validity period and restore speed. <a href="#obs_03_1068__table4222151134720">Table 1</a> describes relevant parameters.</p>
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<div class="tablenoborder"><a name="obs_03_1068__table4222151134720"></a><a name="table4222151134720"></a><table cellpadding="4" cellspacing="0" summary="" id="obs_03_1068__table4222151134720" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Restoring an object</caption><thead align="left"><tr id="obs_03_1068__row1422121144716"><th align="left" class="cellrowborder" valign="top" width="23.68%" id="mcps1.3.3.2.3.2.3.2.3.1.1"><p id="obs_03_1068__p0221111184720">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="76.32%" id="mcps1.3.3.2.3.2.3.2.3.1.2"><p id="obs_03_1068__p11221211104711">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_1068__row522161111478"><td class="cellrowborder" valign="top" width="23.68%" headers="mcps1.3.3.2.3.2.3.2.3.1.1 "><p id="obs_03_1068__p5221411154712">Object Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="76.32%" headers="mcps1.3.3.2.3.2.3.2.3.1.2 "><p id="obs_03_1068__p1522117114478">Name of the object or path to be restored.</p>
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</td>
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</tr>
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<tr id="obs_03_1068__row15221101174711"><td class="cellrowborder" valign="top" width="23.68%" headers="mcps1.3.3.2.3.2.3.2.3.1.1 "><p id="obs_03_1068__p622181164717">Validity Period</p>
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</td>
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<td class="cellrowborder" valign="top" width="76.32%" headers="mcps1.3.3.2.3.2.3.2.3.1.2 "><p id="obs_03_1068__p722111110474">Time duration when an object remains in the <strong id="obs_03_1068__b23904854171853">Restored</strong> state after it has been restored. The validity period starts when the object is restored. You can set the validity period to an integer ranging from 1 to 30 (days). The default value is <strong id="obs_03_1068__b943812217493">30</strong>.</p>
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<p id="obs_03_1068__p112211811184714">For example, you set <strong id="obs_03_1068__b225362494910">Validity Period</strong> to <strong id="obs_03_1068__b8254172418493">20</strong> when restoring an object. 20 days after the object is restored, its status will change from <strong id="obs_03_1068__b182551824194919">Restored</strong> to <strong id="obs_03_1068__b1525692410498">Unrestored</strong>.</p>
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</td>
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</tr>
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<tr id="obs_03_1068__row16222011134713"><td class="cellrowborder" valign="top" width="23.68%" headers="mcps1.3.3.2.3.2.3.2.3.1.1 "><p id="obs_03_1068__p12222811144712">Speed</p>
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</td>
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<td class="cellrowborder" valign="top" width="76.32%" headers="mcps1.3.3.2.3.2.3.2.3.1.2 "><p id="obs_03_1068__p10222211174719">How fast an object will be restored.</p>
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<ul id="obs_03_1068__ul15222141111477"><li id="obs_03_1068__li16222411134715"><strong id="obs_03_1068__b27411774507">Expedited</strong>: Data smaller than 250 MB can be restored within 1 to 5 minutes.</li><li id="obs_03_1068__li1122214113474"><strong id="obs_03_1068__b162411911165013">Standard</strong>: All Cold data can be restored within 3 to 5 hours.</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_1068__en-us_topic_0050399192_li62655985"><span>Click <strong id="obs_03_1068__b2147122712149">OK</strong> to confirm the restored file or folder.</span><p><p id="obs_03_1068__en-us_topic_0050399192_p39728324151032">To view the restoration status of the file or folder, click <span><img id="obs_03_1068__image1574448121613" src="en-us_image_0000001195607816.png"></span> next to the object and choose <strong id="obs_03_1068__b1977216458409">Object Properties</strong> to view the restoration status. You can download the file only after it has been restored.</p>
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</p></li></ol>
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</div>
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<div class="section" id="obs_03_1068__en-us_topic_0050399192_section5638548116548"><h4 class="sectiontitle">Follow-Up Procedure</h4><p id="obs_03_1068__en-us_topic_0050399192_p62215409165844">Within the validity period of a restored object, you can restore the object again. Each time the object is restored, its validity period will restart. This prolongs the validity period.</p>
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<div class="note" id="obs_03_1068__en-us_topic_0050399192_note51236328173052"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="obs_03_1068__en-us_topic_0050399192_p58473770173052">1. If a restored object is restored again, its expiration time should be later than the time set for the previous restoration. For example, if an object will expire at <strong id="obs_03_1068__b888225382612">4/12/2021 08:00:00 GMT+08:00</strong> after it is restored for the first time, it should expire later than <strong id="obs_03_1068__b13420163614276">4/12/2021 08:00:00 GMT+08:00</strong> after the second restore.</p>
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<p id="obs_03_1068__p16749314165219">2. You are advised not to restore a large number of files in one batch. When more than 10,000 objects are being restored, OBS Browser+ will take a long time to query the restoration progress of such objects. If you indeed need to restore such a large number of files in one batch, you are advised to use SDKs or APIs to query the restoration progress. Alternatively, you can download files after the maximum restoration time that is estimated based on the restoration rate you selected.</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_1059.html">Object Operations</a></div>
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</div>
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</div>
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