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Reviewed-by: Miskanin, Jan <jan.miskanin@t-systems.com> Co-authored-by: zhangyue <zhangyue164@huawei.com> Co-committed-by: zhangyue <zhangyue164@huawei.com>
77 lines
6.7 KiB
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77 lines
6.7 KiB
HTML
<a name="evs_01_0041"></a><a name="evs_01_0041"></a>
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<h1 class="topictitle1">EVS Snapshot Status</h1>
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<div id="body1514186117726"><div class="p" id="evs_01_0041__p8060118">An EVS snapshot has several statuses. <a href="#evs_01_0041__evs_faq_0018_table64552624191747">Table 1</a> lists the EVS snapshot statuses, the meaning of each status, and the operations a snapshot in each status allows.
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<div class="tablenoborder"><a name="evs_01_0041__evs_faq_0018_table64552624191747"></a><a name="evs_faq_0018_table64552624191747"></a><table cellpadding="4" cellspacing="0" summary="" id="evs_01_0041__evs_faq_0018_table64552624191747" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Snapshot status details</caption><thead align="left"><tr id="evs_01_0041__evs_faq_0018_row53790844191747"><th align="left" class="cellrowborder" valign="top" width="20.54%" id="mcps1.3.1.2.2.4.1.1"><p id="evs_01_0041__evs_faq_0018_p4696184819180">Snapshot Status</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="49.09%" id="mcps1.3.1.2.2.4.1.2"><p id="evs_01_0041__evs_faq_0018_p16533784191747">Description</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="30.37%" id="mcps1.3.1.2.2.4.1.3"><p id="evs_01_0041__evs_faq_0018_p44528397191747">Allowed Operation</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="evs_01_0041__evs_faq_0018_row35291149191747"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p40463785165345">Creating</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p56341191165345">The snapshot is being created.</p>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><p id="evs_01_0041__evs_faq_0018_p233769165345">No operations are allowed.</p>
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</td>
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</tr>
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<tr id="evs_01_0041__evs_faq_0018_row12893053191747"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p2259935191846">Available</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p16383851191846">The snapshot is successfully created.</p>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><ul id="evs_01_0041__evs_faq_0018_ul62104117182653"><li id="evs_01_0041__evs_faq_0018_li2105104916579">Creating EVS disks using snapshots</li><li id="evs_01_0041__evs_faq_0018_li2261316018270">Deleting snapshots</li><li id="evs_01_0041__evs_faq_0018_li35740388182653">Rolling back snapshots to source EVS disks</li></ul>
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</td>
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</tr>
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<tr id="evs_01_0041__evs_faq_0018_row721621712446"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p3658433212455">Deleting</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p3682527212455">The snapshot is being deleted.</p>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><p id="evs_01_0041__evs_faq_0018_p4587262812455">No operations are allowed.</p>
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</td>
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</tr>
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<tr id="evs_01_0041__evs_faq_0018_row57957852194514"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p7460362194521">Error</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p526628519467">An error occurs when you try to create a snapshot.</p>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><p id="evs_01_0041__evs_faq_0018_p2242870194521">Deleting</p>
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</td>
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</tr>
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<tr id="evs_01_0041__evs_faq_0018_row51729329191747"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p23982637191747">Deletion failed</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p5387879619469">An error occurs when you try to delete a snapshot.</p>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><p id="evs_01_0041__evs_faq_0018_p56250197191747">No operations are allowed.</p>
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</td>
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</tr>
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<tr id="evs_01_0041__evs_faq_0018_row57899957175726"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p51337573175726">Rolling back</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p3842076519239">The snapshot is rolling back data.</p>
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<div class="note" id="evs_01_0041__evs_faq_0018_note1024257119239"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="evs_01_0041__evs_faq_0018_ul2507428319239"><li id="evs_01_0041__evs_faq_0018_li2434195619239">When you roll back from a snapshot, you can only roll back data to the source EVS disk. Rollback to a specified disk is not supported.</li><li id="evs_01_0041__evs_faq_0018_li1775101719239">A snapshot can only be used for rollback when its source disk is in the <strong id="evs_01_0041__evs_faq_0018_b20910122131519">Available</strong> or <strong id="evs_01_0041__evs_faq_0018_b891112217153">Rollback failed</strong> state.</li></ul>
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</div></div>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><p id="evs_01_0041__evs_faq_0018_p6428254175726">No operations are allowed.</p>
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</td>
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</tr>
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<tr id="evs_01_0041__evs_faq_0018_row202341611579"><td class="cellrowborder" valign="top" width="20.54%" headers="mcps1.3.1.2.2.4.1.1 "><p id="evs_01_0041__evs_faq_0018_p283543201579">Backing up</p>
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</td>
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<td class="cellrowborder" valign="top" width="49.09%" headers="mcps1.3.1.2.2.4.1.2 "><p id="evs_01_0041__evs_faq_0018_p149985721579">This status is available only to temporary snapshots. When you create a backup for an EVS disk, a temporary snapshot is automatically created. This status indicates that a temporary snapshot is being created during the backup creation.</p>
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<div class="note" id="evs_01_0041__evs_faq_0018_note1132117458266"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="evs_01_0041__evs_faq_0018_p1432414455260">Temporary snapshots are created through the CBR service. Do not perform any operation on these snapshots.</p>
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</div></div>
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</td>
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<td class="cellrowborder" valign="top" width="30.37%" headers="mcps1.3.1.2.2.4.1.3 "><p id="evs_01_0041__evs_faq_0018_p69247801579">No operations are allowed.</p>
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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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</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_0039.html">Appendix</a></div>
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</div>
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</div>
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