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zhangyue
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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>
21 lines
5.6 KiB
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21 lines
5.6 KiB
HTML
<a name="evs_01_0042"></a><a name="evs_01_0042"></a>
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<h1 class="topictitle1">Managing EVS Transfers</h1>
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<div id="body1516262005961"><div class="section" id="evs_01_0042__section2078706916510"><h4 class="sectiontitle">Scenarios</h4><p id="evs_01_0042__p5096591219834">EVS transfer allows you to transfer disks from one account to another. After a transfer succeeds, the ownership of the disk belongs to the target account only.</p>
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<p id="evs_01_0042__p4981704319174">Users can use disk transfer via API only. For more information, see chapter "EVS Transfer" in the <em id="evs_01_0042__i84235269711125">Elastic Volume Service API Reference</em>.</p>
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<div class="section" id="evs_01_0042__section3505785917301"><h4 class="sectiontitle">Constraints</h4><ul id="evs_01_0042__en-us_topic_0092887872_ul15490115496"><li id="evs_01_0042__en-us_topic_0092887872_li171556610508">Encrypted EVS disks cannot be transferred.</li><li id="evs_01_0042__en-us_topic_0092887872_li4567911125014">EVS disks with backups and snapshots available cannot be transferred.</li><li id="evs_01_0042__en-us_topic_0092887872_li780416329501">EVS disks associated with backup policies cannot be transferred.</li><li id="evs_01_0042__li1827361512598">EVS disks used as system disks cannot be transferred.</li><li id="evs_01_0042__en-us_topic_0092887872_li7697829115010">EVS disks in EVS replication pairs cannot be transferred.</li></ul>
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<div class="section" id="evs_01_0042__section4128178173158"><h4 class="sectiontitle">Procedure</h4><div class="p" id="evs_01_0042__p5974051191339">The following example shows you how to transfer an EVS disk from account A to account B. User A belongs to account A, and user B belongs to account B. User A creates the transfer. User B accepts the transfer using the transfer ID (<strong id="evs_01_0042__b1642902110511">transfer_id</strong>) and authentication key (<strong id="evs_01_0042__b454082425119">auth_key</strong>). After the transfer has been accepted, the transfer is complete. <a href="#evs_01_0042__fig86501415163119">Figure 1</a> shows the basic transfer process.<div class="note" id="evs_01_0042__note885554917314"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="evs_01_0042__ul98555492312"><li id="evs_01_0042__li13855124911312"><strong id="evs_01_0042__b376974644114">transfer_id</strong> specifies the disk transfer ID. Each EVS disk transfer has a transfer ID, and user B uses this ID to accept the disk transfer. The transfer ID expires after user B accepts the transfer.</li><li id="evs_01_0042__li158551049153115"><strong id="evs_01_0042__b10414185416419">auth_key</strong> specifies the identity authentication key of the disk transfer. Each EVS disk transfer has an authentication key, and user B uses this key for authentication when accepting the disk transfer.</li></ul>
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</div></div>
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<div class="fignone" id="evs_01_0042__fig86501415163119"><a name="evs_01_0042__fig86501415163119"></a><a name="fig86501415163119"></a><span class="figcap"><b>Figure 1 </b>EVS disk transfer process</span><br><span><img id="evs_01_0042__image146501015143113" src="en-us_image_0000001119238510.png"></span></div>
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<ol id="evs_01_0042__ol755981173317"><li id="evs_01_0042__li6803832173317"><span>User A creates the transfer. For details, see "Creating a Disk Transfer" in the <em id="evs_01_0042__i84235269715318">Elastic Volume Service API Reference</em>.</span><p><p id="evs_01_0042__p36632843016">After the transfer is successfully created, <strong id="evs_01_0042__b965531715436">transfer_id</strong> and <strong id="evs_01_0042__b7665171713433">auth_key</strong> are returned.</p>
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</p></li><li id="evs_01_0042__li650655391268"><span>(Optional) User A views the disk transfer. For details, see "Querying Details of a Disk Transfer" in the <em id="evs_01_0042__i842352697165156">Elastic Volume Service API Reference</em>. If multiple disk transfers have been created, user A can query all disk transfers. For details, see "Querying All Disk Transfers" or "Querying Details of All Disk Transfers" in the <em id="evs_01_0042__i244212406165446">Elastic Volume Service API Reference</em>.</span></li><li id="evs_01_0042__li14239489173317"><span>User A delivers the returned <strong id="evs_01_0042__b84235270615420">transfer_id</strong> and <strong id="evs_01_0042__b84235270615423">auth_key</strong> to user B.</span></li><li id="evs_01_0042__li4645498512658"><span>Check whether user B is going to accept the disk transfer.</span><p><ul id="evs_01_0042__ul3215745012752"><li id="evs_01_0042__li6577963012752">If yes, go to <a href="#evs_01_0042__li61046537173317">5</a>.</li><li id="evs_01_0042__li60682936121146">If no, no further action is required.<p id="evs_01_0042__p1061104353618"><a name="evs_01_0042__li60682936121146"></a><a name="li60682936121146"></a>User A can delete the unaccepted disk transfer. For details, see "Deleting a Disk Transfer" in the <em id="evs_01_0042__i78801037144">Elastic Volume Service API Reference</em>.</p>
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</li></ul>
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</p></li><li id="evs_01_0042__li61046537173317"><a name="evs_01_0042__li61046537173317"></a><a name="li61046537173317"></a><span>User B accepts <strong id="evs_01_0042__b84235270615440">transfer_id</strong> and <strong id="evs_01_0042__b84235270615443">auth_key</strong>.</span></li><li id="evs_01_0042__li16121122716324"><span>User B accepts the transfer through <strong id="evs_01_0042__b145358531146">transfer_id</strong> and <strong id="evs_01_0042__b1953515331416">auth_key</strong>. For details, see "Accepting a Disk Transfer" in the <em id="evs_01_0042__i1553612539149">Elastic Volume Service API Reference</em>.</span></li></ol>
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