forked from docs/doc-exports
zhangyue
d05287d5d6
Reviewed-by: Miskanin, Jan <jan.miskanin@t-systems.com> Co-authored-by: zhangyue <zhangyue164@huawei.com> Co-committed-by: zhangyue <zhangyue164@huawei.com>
28 lines
5.4 KiB
HTML
28 lines
5.4 KiB
HTML
<a name="evs_01_0074"></a><a name="evs_01_0074"></a>
|
|
|
|
<h1 class="topictitle1">Attaching an Existing System Disk</h1>
|
|
<div id="body1553256167534"><div class="section" id="evs_01_0074__section21771672164455"><h4 class="sectiontitle">Scenarios</h4><p id="evs_01_0074__p8113834171711">This section describes how to attach an existing system disk.</p>
|
|
<p id="evs_01_0074__p984113447817">System disks can only be attached offline, which means that <span id="evs_01_0074__text184110441481">the server</span> must be in the <strong id="evs_01_0074__b9169439102018">Stopped</strong> state.</p>
|
|
<p id="evs_01_0074__p13982123165512">You can view the disk function in the disk list. A disk can be attached to <span id="evs_01_0074__text18493175741414">a server</span> and used as the system disk only when its function is <strong id="evs_01_0074__b939411516236">Bootable disk</strong> and its status is <strong id="evs_01_0074__b12218413249">Available</strong>.</p>
|
|
<div class="note" id="evs_01_0074__note4306759131513"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="evs_01_0074__ul918133173812"><li id="evs_01_0074__li918143143811">Bootable disks are the system disks detached from servers. A bootable disk can be re-attached to <span id="evs_01_0074__evs_01_0003_text132811158203718">a server</span> and be used as a system disk or data disk depending on the disk function selected.</li></ul>
|
|
</div></div>
|
|
</div>
|
|
<div class="section" id="evs_01_0074__section14610154710816"><h4 class="sectiontitle">Constraints</h4><ul id="evs_01_0074__evs_01_0036_ul846283211181"><li id="evs_01_0074__evs_01_0036_li1946323210182"><span id="evs_01_0074__evs_01_0036_ph18448326436">Cloud servers created from ISO images are only used for OS installation. They have limited functions and cannot have EVS disks attached.</span></li><li id="evs_01_0074__evs_01_0036_li3890336121817">A non-shared disk can be attached to one <span id="evs_01_0074__evs_01_0036_text36172561712">server</span> only.</li><li id="evs_01_0074__evs_01_0036_li20973133112191">The disk and the <span id="evs_01_0074__evs_01_0036_text164143715202">server</span> must be in the same region and AZ.</li><li id="evs_01_0074__evs_01_0036_li3728536633">A shared disk can be attached only when the <span id="evs_01_0074__evs_01_0036_evs_01_0037_ph1228512571014"><span id="evs_01_0074__evs_01_0036_evs_01_0037_text182859519103">servers</span></span>' statuses are <strong id="evs_01_0074__evs_01_0036_evs_01_0037_b16419102751420">Running</strong> or <strong id="evs_01_0074__evs_01_0036_evs_01_0037_b105951630121412">Stopped</strong>.</li><li id="evs_01_0074__evs_01_0036_li5517314441">A frozen disk cannot be attached.</li></ul>
|
|
</div>
|
|
<p id="evs_01_0074__p116640139391"></p>
|
|
<p id="evs_01_0074__p12106201053910"></p>
|
|
<div class="section" id="evs_01_0074__section106211941714"><h4 class="sectiontitle">Procedure</h4><ol id="evs_01_0074__ol653842202528"><li id="evs_01_0074__li5884586202528"><span>Log in to the management console.</span></li><li id="evs_01_0074__li153618295518"><span>Click <span><img id="evs_01_0074__en-us_topic_0021738346_image052111582392" src="en-us_image_0237893718.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="evs_01_0074__li62005093202528"><span>Under <strong id="evs_01_0074__b1886717312318">Storage</strong>, click <strong id="evs_01_0074__b158687393118">Elastic Volume Service</strong>.</span><p><p id="evs_01_0074__p21174931202528">The disk list page is displayed.</p>
|
|
</p></li><li id="evs_01_0074__li37447873202528"><span>Locate the target disk in the list and click <strong id="evs_01_0074__b842352706125231">Attach</strong>.</span></li><li id="evs_01_0074__li18457248202528"><span>Select a server to attach the disk. Ensure that the disk and server are in the same AZ and that the server is in the <strong id="evs_01_0074__b2098010393202">Stopped</strong> state. After you select a server, <strong id="evs_01_0074__b0165124111204">System disk</strong> is automatically entered as the disk function for the server.</span><p><p id="evs_01_0074__p259691217216">One device name can be used for one disk only. For how to obtain the disk name in the OS, see section "How Do I Obtain My Disk Name in the ECS OS Using the Device Identifier Provided on the Console?" in the <em id="evs_01_0074__evs_01_0036_i1427093657">Elastic Cloud Server User Guide</em>.</p>
|
|
</p></li><li id="evs_01_0074__li1914319394"><span id="evs_01_0074__p11501155318352">Click <span class="uicontrol" id="evs_01_0074__uicontrol18501165316351"><b>OK</b></span> to return to the disk list page.</span><p><p id="evs_01_0074__li1914319394p0">The status of the disk is <strong id="evs_01_0074__b527112013214">Attaching</strong>, indicating that the disk is being attached to the server. When the function of the disk changes from <strong id="evs_01_0074__b1676874317288">Bootable disk</strong> to <strong id="evs_01_0074__b98851446142812">System disk</strong> and the disk status changes to <strong id="evs_01_0074__b1253275722816">In-use</strong>, the disk is successfully attached.</p>
|
|
</p></li></ol>
|
|
</div>
|
|
<div class="section" id="evs_01_0074__section10188155313203"><h4 class="sectiontitle">Related Operations</h4><p id="evs_01_0074__p6201105315200">For more attachment FAQs, see <a href="evs_01_0078.html">Attachment</a>.</p>
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<div class="familylinks">
|
|
<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_0073.html">Attaching an Existing Disk</a></div>
|
|
</div>
|
|
</div>
|
|
|