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ecs umn 20240823

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Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: Huijuan, Wang <wanghuijuan738@noreply.gitea.eco.tsi-dev.otc-service.com>
Co-committed-by: Huijuan, Wang <wanghuijuan738@noreply.gitea.eco.tsi-dev.otc-service.com>
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Huijuan, Wang 2024-10-28 16:14:07 +00:00 committed by zuul
parent 926fc407f2
commit 21515be61b
246 changed files with 1463 additions and 1128 deletions
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</li><li id="EN-US_TOPIC_0000001128445638__li2290104610429"><strong id="EN-US_TOPIC_0000001128445638__b116152241321">Rapid deployment of multiple services</strong><p id="EN-US_TOPIC_0000001128445638__p35926218107">You can use a snapshot to create multiple EVS disks containing the same initial data, and these disks can be used as data resources for various services, for example data mining, report query, and development and testing.</p>
<p id="EN-US_TOPIC_0000001128445638__p4648158194218">This method protects the initial data and creates disks rapidly, meeting the diversified service data requirements.</p>
</li></ul>
<div class="note" id="EN-US_TOPIC_0000001128445638__note638916413210"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001128445638__ul163891344216"><li id="EN-US_TOPIC_0000001128445638__li14389134132115">A snapshot can be rolled back only to its source disk. Rollback to another disk is not possible.</li><li id="EN-US_TOPIC_0000001128445638__li9389149219">If you have reinstalled or changed the ECS OS, snapshots of the system disk are automatically deleted. Snapshots of the data disks can be used as usual.</li></ul>
<div class="note" id="EN-US_TOPIC_0000001128445638__note638916413210"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001128445638__ul163891344216"><li id="EN-US_TOPIC_0000001128445638__li14389134132115">A snapshot can only be rolled back to its source disk. Rolling back to another disk is not supported.</li><li id="EN-US_TOPIC_0000001128445638__li9389149219">If you have reinstalled or changed the ECS OS, snapshots of the system disk are automatically deleted. Snapshots of the data disks can be used as usual.</li></ul>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="23.905042326094954%" headers="mcps1.3.2.4.1.5.1.4 "><ul id="EN-US_TOPIC_0000001128445638__ul136659893210"><li id="EN-US_TOPIC_0000001128445638__li4547111313327">The snapshot data is stored with the disk data to facilitate rapid data back up and restoration.</li><li id="EN-US_TOPIC_0000001128445638__li196653820329">You can create snapshots to rapidly save disk data as it was at specified points in time. You can also use snapshots to create new disks so that the created disks will contain the snapshot data in the beginning.</li></ul>
@ -164,7 +164,7 @@
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0096304614.html">CBR</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0096304614.html">Backup Using CBR</a></div>
</div>
</div>

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<a name="EN-US_TOPIC_0000001128604648"></a><a name="EN-US_TOPIC_0000001128604648"></a>
<h1 class="topictitle1">Backing Up an ECS</h1>
<div id="body0000001128604648"><div class="section" id="EN-US_TOPIC_0000001128604648__section1650061192010"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0000001128604648__p8263208152018">CBR enhances data integrity and service continuity. For example, if an ECS or EVS disk is faulty or a misoperation causes data loss, you can use data backups to quickly restore data. This section describes how to back up ECSs and EVS disks.</p>
<p id="EN-US_TOPIC_0000001128604648__p8177113721018">For more information, <a href="en-us_topic_0000001128445638.html#EN-US_TOPIC_0000001128445638__section10399144613501">CBR Architecture</a>, <a href="en-us_topic_0000001128445638.html#EN-US_TOPIC_0000001128445638__section696712594578">Backup Mechanism</a>, and <a href="en-us_topic_0000001128445638.html#EN-US_TOPIC_0000001128445638__section533362013">Backup Options</a>.</p>
<div id="body0000001128604648"><div class="section" id="EN-US_TOPIC_0000001128604648__section1650061192010"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0000001128604648__p8263208152018">Cloud Backup and Recovery (CBR) enhances data integrity and service continuity. For example, if an ECS or EVS disk is faulty or a misoperation causes data loss, you can use data backups to quickly restore data. This section describes how to back up ECSs and EVS disks.</p>
<p id="EN-US_TOPIC_0000001128604648__p8177113721018">For more information, see <a href="en-us_topic_0000001128445638.html#EN-US_TOPIC_0000001128445638__section10399144613501">CBR Architecture</a>, <a href="en-us_topic_0000001128445638.html#EN-US_TOPIC_0000001128445638__section696712594578">Backup Mechanism</a>, and <a href="en-us_topic_0000001128445638.html#EN-US_TOPIC_0000001128445638__section533362013">Backup Options</a>.</p>
<div class="p" id="EN-US_TOPIC_0000001128604648__p1852521716489">You can back up ECS data using Cloud Server Backup or Cloud Disk Backup.<ul id="EN-US_TOPIC_0000001128604648__ul18366112610528"><li id="EN-US_TOPIC_0000001128604648__li16366926185213">Cloud Server Backup (recommended): Use this backup function if you want to back up the data of all EVS disks (system and data disks) on an ECS. This prevents data inconsistency caused by time difference in creating a backup.</li><li id="EN-US_TOPIC_0000001128604648__li6193532193917">Cloud Disk Backup: Use this backup function if you want to back up the data of one or more EVS disks (system or data disk) on an ECS. This minimizes backup costs on the basis of data security.</li></ul>
</div>
</div>
@ -25,7 +25,7 @@
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0096304614.html">CBR</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0096304614.html">Backup Using CBR</a></div>
</div>
</div>

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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208808107.html">Usage Errors</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208808107.html">ECS Failure FAQ</a></div>
</div>
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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0170135967.html">File Upload/Data Transfer</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0170135967.html">File Upload/Data Transfer FAQ</a></div>
</div>
</div>

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</li><li id="EN-US_TOPIC_0000001210472883__li1386916118">Run the following command to use tasksel to install the GNOME GUI:<p id="EN-US_TOPIC_0000001210472883__p165936267220"><a name="EN-US_TOPIC_0000001210472883__li1386916118"></a><a name="li1386916118"></a><strong id="EN-US_TOPIC_0000001210472883__b369042917218">tasksel install desktop gnome-desktop</strong></p>
<p id="EN-US_TOPIC_0000001210472883__p19843181318">The installation takes a long time. Please wait.</p>
</li><li id="EN-US_TOPIC_0000001210472883__li20165536319">Run the following command to set the GUI as the default startup target:<p id="EN-US_TOPIC_0000001210472883__p1456041320317"><a name="EN-US_TOPIC_0000001210472883__li20165536319"></a><a name="li20165536319"></a><strong id="EN-US_TOPIC_0000001210472883__b1388716481731">systemctl set-default graphical.target</strong></p>
</li><li id="EN-US_TOPIC_0000001210472883__li162011120159"><a name="EN-US_TOPIC_0000001210472883__li162011120159"></a><a name="li162011120159"></a>Create a member account.<p id="EN-US_TOPIC_0000001210472883__p16857104717574"><a name="EN-US_TOPIC_0000001210472883__li162011120159"></a><a name="li162011120159"></a>After GUI desktop component is installed on the ECS, you cannot log in to the Debian OS as user root <strong id="EN-US_TOPIC_0000001210472883__b83260372653713">user</strong>. Therefore, you need to add a member account for logging in to the GUI desktop.</p>
</li><li id="EN-US_TOPIC_0000001210472883__li162011120159"><a name="EN-US_TOPIC_0000001210472883__li162011120159"></a><a name="li162011120159"></a>Create a member account.<p id="EN-US_TOPIC_0000001210472883__p16857104717574"><a name="EN-US_TOPIC_0000001210472883__li162011120159"></a><a name="li162011120159"></a>After the GUI desktop component is installed on the ECS, you cannot log in to the Debian OS as user root <strong id="EN-US_TOPIC_0000001210472883__b66971217185416">user</strong>. Therefore, you need to add a member account for logging in to the GUI desktop.</p>
<p id="EN-US_TOPIC_0000001210472883__p1661611510575">Run the following command to add user <strong id="EN-US_TOPIC_0000001210472883__b34397050053713">user01</strong>:</p>
<p id="EN-US_TOPIC_0000001210472883__p1383317106217"><strong id="EN-US_TOPIC_0000001210472883__b61602361525">adduser user01</strong></p>
<p id="EN-US_TOPIC_0000001210472883__p174649331534">Set a password for <strong id="EN-US_TOPIC_0000001210472883__b185866410853713">user01</strong> as prompted.</p>
@ -38,7 +38,7 @@ Is the information correct? [Y/n] Y</pre>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0155136013.html">GUI Installation FAQs</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0155136013.html">OS FAQ</a></div>
</div>
</div>

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<a name="EN-US_TOPIC_0000001210881033"></a><a name="EN-US_TOPIC_0000001210881033"></a>
<h1 class="topictitle1">Quota Adjustment</h1>
<div id="body0000001210881033"><div class="section" id="EN-US_TOPIC_0000001210881033__section15918030161717"><h4 class="sectiontitle">What Is Quota?</h4><p id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_p1415804616467">Quotas can limit the number or amount of resources available to users, such as the maximum number of <span id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_text5492174012487">ECSs</span> or EVS disks that can be created.</p>
<div id="body0000001210881033"><div class="section" id="EN-US_TOPIC_0000001210881033__section15918030161717"><h4 class="sectiontitle">What Is Quota?</h4><p id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_p1415804616467">Quotas can limit the number or amount of resources available to users, such as the maximum number of <span id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_text5492174012487">ECS</span> or EVS disks that can be created.</p>
<p id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_p547171214515">If the existing resource quota cannot meet your service requirements, you can apply for a higher quota.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001210881033__section1738715171810"><h4 class="sectiontitle">How Do I View My Quotas?</h4><ol id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_ol1222775692215"><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li5648642910048">Log in to the management console.</li><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li464234814566">Click <span><img id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_en-us_topic_0014250631_en-us_topic_0014250631_image1733511156361" src="en-us_image_0275513364.png"></span> in the upper left corner and select the desired region and project.</li><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li3861581410048">In the upper right corner of the page, click <span><img id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_image99377514309" src="en-us_image_0152727234.png"></span>.<p id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_p1748884433119">The <strong id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_b695801964614">Service Quota</strong> page is displayed.</p>
<div class="section" id="EN-US_TOPIC_0000001210881033__section1738715171810"><h4 class="sectiontitle">How Do I View My Quotas?</h4><ol id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_ol1222775692215"><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li5648642910048">Log in to the management console.</li><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li464234814566">Click <span><img id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_en-us_topic_0014250631_en-us_topic_0014250631_image1733511156361" src="en-us_image_0275513364.png"></span> in the upper left corner and select the desired region and project.</li><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li3861581410048">In the upper right corner of the page, click <span><img id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_image99377514309" src="en-us_image_0152727234.png"></span>.<p id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_p1748884433119">The <strong id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_b993851641014">Quotas</strong> page is displayed.</p>
</li><li id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li1579070183211">View the used and total quota of each type of resources on the displayed page.<p id="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_p97891720193417"><a name="EN-US_TOPIC_0000001210881033__en-us_topic_0040259342_li1579070183211"></a><a name="en-us_topic_0040259342_li1579070183211"></a>If a quota cannot meet service requirements, apply for a higher quota.</p>
</li></ol>
</div>

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<a name="EN-US_TOPIC_0000001234175322"></a><a name="EN-US_TOPIC_0000001234175322"></a>
<h1 class="topictitle1">Key Pairs</h1>
<div id="body0000001234175322"><p id="EN-US_TOPIC_0000001234175322__p8060118"></p>
<h1 class="topictitle1">Key Pairs</h1>
<div id="body0000001234175322"><p id="EN-US_TOPIC_0000001234175322__p8060118"></p>
</div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0000001278335673.html">Application Scenarios for Using Key Pairs</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001278350057.html">(Recommended) Creating a Key Pair on the Management Console</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001234335274.html">Creating a Key Pair Using PuTTYgen</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001234335274.html">Creating a Key Pair Using PuTTY Key Generator</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001278734873.html">Importing a Key Pair</a></strong><br>
</li>
@ -21,7 +18,7 @@
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0140313881.html">Passwords and Key Pairs Management</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0140313881.html">Passwords and Key Pairs</a></div>
</div>
</div>

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<a name="EN-US_TOPIC_0000001234335274"></a><a name="EN-US_TOPIC_0000001234335274"></a>
<h1 class="topictitle1">Creating a Key Pair Using PuTTYgen</h1>
<div id="body0000001234335274"><div class="section" id="EN-US_TOPIC_0000001234335274__section11761642123315"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0000001234335274__p1816103765411">You can use PuTTYgen to create a key pair and store the public key and private key locally.</p>
<h1 class="topictitle1">Creating a Key Pair Using PuTTY Key Generator</h1>
<div id="body0000001234335274"><div class="section" id="EN-US_TOPIC_0000001234335274__section11761642123315"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0000001234335274__p1816103765411">You can use puttygen.exe to create a key pair and store both the public key and private key locally.</p>
<div class="note" id="EN-US_TOPIC_0000001234335274__note13108124945412"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001234335274__p10108134919543">Key pairs created using puttygen.exe must be imported by referring to <a href="en-us_topic_0000001278734873.html">Importing a Key Pair</a> before they are used.</p>
</div></div>
</div>
@ -15,7 +15,7 @@
</li><li id="EN-US_TOPIC_0000001234335274__li18403111116343"><a name="EN-US_TOPIC_0000001234335274__li18403111116343"></a><a name="li18403111116343"></a>Copy the public key to a .txt file and save it to a local directory.<div class="note" id="EN-US_TOPIC_0000001234335274__note31016447113457"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001234335274__p4928242511355">Do not save the public key by clicking <strong id="EN-US_TOPIC_0000001234335274__b157132042999">Save public key</strong> because this operation will change the format of the public key content and cause the public key to fail to be imported to the management console.</p>
</div></div>
</li><li id="EN-US_TOPIC_0000001234335274__li740317117344">Save the private key and keep it secure. The private key can be downloaded only once.<p id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_p14390612143442"><a name="EN-US_TOPIC_0000001234335274__li740317117344"></a><a name="li740317117344"></a>The format in which to save your private key file varies depending on application scenarios.</p>
<ul id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_ul484510143442"><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li18866571143442">When using PuTTY to log in to a Linux ECS:<div class="p" id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_p61748609143442"><a name="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li18866571143442"></a><a name="en-us_topic_0014250631_li18866571143442"></a>Save the private key file in the <span class="parmvalue" id="EN-US_TOPIC_0000001234335274__parmvalue612085373610"><b>.ppk</b></span> format.<ol type="a" id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_ol21774037143442"><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li62406652143442">On the <strong id="EN-US_TOPIC_0000001234335274__b16113153398">PuTTY Key Generator</strong> page, choose <strong id="EN-US_TOPIC_0000001234335274__b061291517394">File</strong> &gt; <strong id="EN-US_TOPIC_0000001234335274__b761311155392">Save private key</strong>.<div class="fignone" id="EN-US_TOPIC_0000001234335274__fig1031955919299"><span class="figcap"><b>Figure 3 </b>Saving a private key</span><br><span><img id="EN-US_TOPIC_0000001234335274__image1836618020521" src="en-us_image_0000001278352685.png" title="Click to enlarge" class="imgResize"></span></div>
<ul id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_ul484510143442"><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li18866571143442">When using PuTTY Key Generator to log in to a Linux ECS:<div class="p" id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_p61748609143442"><a name="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li18866571143442"></a><a name="en-us_topic_0014250631_li18866571143442"></a>Save the private key file in the <span class="parmvalue" id="EN-US_TOPIC_0000001234335274__parmvalue612085373610"><b>.ppk</b></span> format.<ol type="a" id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_ol21774037143442"><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li62406652143442">On the <strong id="EN-US_TOPIC_0000001234335274__b16113153398">PuTTY Key Generator</strong> page, choose <strong id="EN-US_TOPIC_0000001234335274__b061291517394">File</strong> &gt; <strong id="EN-US_TOPIC_0000001234335274__b761311155392">Save private key</strong>.<div class="fignone" id="EN-US_TOPIC_0000001234335274__fig1031955919299"><span class="figcap"><b>Figure 3 </b>Saving a private key</span><br><span><img id="EN-US_TOPIC_0000001234335274__image1836618020521" src="en-us_image_0000001278352685.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li24788958143442">Save the converted private key file, such as <strong id="EN-US_TOPIC_0000001234335274__b148740183919">kp-123.ppk</strong>, locally.</li></ol>
</div>
</li><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li22423455143442">When using Xshell to log in to a Linux ECS or obtaining the password for logging in to a Windows ECS:<div class="p" id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_p2491495143442"><a name="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li22423455143442"></a><a name="en-us_topic_0014250631_li22423455143442"></a>Save the private key file in the <span class="parmvalue" id="EN-US_TOPIC_0000001234335274__parmvalue76228413435"><b>.pem</b></span> format.<ol type="a" id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_ol45016075143442"><li id="EN-US_TOPIC_0000001234335274__en-us_topic_0014250631_li63522095143442">Choose <strong id="EN-US_TOPIC_0000001234335274__b32667264438">Conversions</strong> &gt; <strong id="EN-US_TOPIC_0000001234335274__b2267726194319">Export OpenSSH key</strong>.<div class="note" id="EN-US_TOPIC_0000001234335274__note101379875915"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001234335274__p0137118165910">If you use this private file to obtain the password for logging in to a Windows <span id="EN-US_TOPIC_0000001234335274__text172667229304">ECS</span>, do not specify <strong id="EN-US_TOPIC_0000001234335274__b0355529184315">Key passphrase</strong> for <strong id="EN-US_TOPIC_0000001234335274__b635562913437">Export OpenSSH key</strong> so that you can obtain the password successfully.</p>

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<p id="EN-US_TOPIC_0000001278335673__p12739174062815">A key pair consists of a public key and a private key. Key Pair Service (KPS) stores the public key and you store the private key. If you have imported a public key into a Linux ECS, you can use the corresponding private key to log in to the ECS without a password. You do not need to worry about password interception, cracking, or leakage.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001278335673__section72625177171"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0000001278335673__p64851122187">When purchasing an ECS, you are advised to select the key pair login mode. For Windows ECSs, key pairs are required to decrypt the passwords so that you can use the decrypted password to log in.</p>
<ul id="EN-US_TOPIC_0000001278335673__ul114361152198"><li id="EN-US_TOPIC_0000001278335673__li14436191511190">Logging in to a Linux ECS<div class="p" id="EN-US_TOPIC_0000001278335673__p18838194782716"><a name="EN-US_TOPIC_0000001278335673__li14436191511190"></a><a name="li14436191511190"></a>You can directly use a key pair to log in.<ul id="EN-US_TOPIC_0000001278335673__ul181461546172719"><li id="EN-US_TOPIC_0000001278335673__li71454469278">When you are creating the ECS, select the key pair login mode. For details, see "Set Login Mode" in <a href="en-us_topic_0163572591.html">Step 3: Configure Advanced Settings</a>.</li><li id="EN-US_TOPIC_0000001278335673__li1114624612274">After the ECS is created, bind a key pair to the ECS by referring to "Binding a Key Pair" in the <em id="EN-US_TOPIC_0000001278335673__i2105132216190">Data Encryption Workshop User Guide</em>.</li></ul>
<ul id="EN-US_TOPIC_0000001278335673__ul114361152198"><li id="EN-US_TOPIC_0000001278335673__li14436191511190">Logging in to a Linux ECS<p id="EN-US_TOPIC_0000001278335673__p18838194782716"><a name="EN-US_TOPIC_0000001278335673__li14436191511190"></a><a name="li14436191511190"></a>You can directly use a key pair to log in a Linux ECS.</p>
<div class="p" id="EN-US_TOPIC_0000001278335673__p039916594416"><ul id="EN-US_TOPIC_0000001278335673__ul181461546172719"><li id="EN-US_TOPIC_0000001278335673__li71454469278">During the ECS creation, select the key pair login mode. For details, see "Set Login Mode" in <a href="en-us_topic_0163572591.html">Step 3: Configure Advanced Settings</a>.</li><li id="EN-US_TOPIC_0000001278335673__li1114624612274">After the ECS is created, bind a key pair to the ECS by referring to "Binding a Key Pair" in the <em id="EN-US_TOPIC_0000001278335673__i2105132216190">Data Encryption Workshop User Guide</em>.</li></ul>
</div>
</li></ul>
<ul id="EN-US_TOPIC_0000001278335673__ul6174151881910"><li id="EN-US_TOPIC_0000001278335673__li417414186193">Logging in to a Windows ECS<p id="EN-US_TOPIC_0000001278335673__p8107142963217"><a name="EN-US_TOPIC_0000001278335673__li417414186193"></a><a name="li417414186193"></a>You can use the key pair to obtain a password for login. The password is randomly generated and is more secure.</p>
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</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001278335673__section11987840143215"><h4 class="sectiontitle">Creating a Key Pair</h4><p id="EN-US_TOPIC_0000001278335673__p57138362142357">You can create a key pair or use an existing one for remote login authentication.</p>
<ul id="EN-US_TOPIC_0000001278335673__ul1480389919483"><li id="EN-US_TOPIC_0000001278335673__li91334411120">Creating a key pair<div class="p" id="EN-US_TOPIC_0000001278335673__p305358071120"><a name="EN-US_TOPIC_0000001278335673__li91334411120"></a><a name="li91334411120"></a>You can create a key pair using either of the following method:<ul id="EN-US_TOPIC_0000001278335673__ul4158767114307"><li id="EN-US_TOPIC_0000001278335673__li4071623014303">Follow the instructions in <a href="en-us_topic_0000001278350057.html">(Recommended) Creating a Key Pair on the Management Console</a>. The public key is automatically stored in the system, and the private key is stored locally.</li><li id="EN-US_TOPIC_0000001278335673__li3351550103416">Follow the instructions in <a href="en-us_topic_0000001234335274.html">Creating a Key Pair Using PuTTYgen</a>. Both the public and private keys are stored locally.<p id="EN-US_TOPIC_0000001278335673__p162110523343">After the key pair is created, import the key pair following the instructions provided in <a href="en-us_topic_0000001278734873.html">Importing a Key Pair</a> so that you can use it.</p>
<ul id="EN-US_TOPIC_0000001278335673__ul1480389919483"><li id="EN-US_TOPIC_0000001278335673__li91334411120">Creating a key pair<div class="p" id="EN-US_TOPIC_0000001278335673__p305358071120"><a name="EN-US_TOPIC_0000001278335673__li91334411120"></a><a name="li91334411120"></a>You can create a key pair using either of the following methods:<ul id="EN-US_TOPIC_0000001278335673__ul4158767114307"><li id="EN-US_TOPIC_0000001278335673__li4071623014303">Follow the instructions in <a href="en-us_topic_0000001278350057.html">(Recommended) Creating a Key Pair on the Management Console</a>. The public key is automatically stored in the system, and the private key is stored locally.</li><li id="EN-US_TOPIC_0000001278335673__li3351550103416">Follow the instructions in <a href="en-us_topic_0000001234335274.html">Creating a Key Pair Using PuTTY Key Generator</a>. Both the public and private keys are stored locally.<p id="EN-US_TOPIC_0000001278335673__p162110523343">After the key pair is created, import the key pair following the instructions provided in <a href="en-us_topic_0000001278734873.html">Importing a Key Pair</a> so that you can use it.</p>
</li></ul>
</div>
</li><li id="EN-US_TOPIC_0000001278335673__li5856373211153">Using an existing key pair<p id="EN-US_TOPIC_0000001278335673__p1397914811153"><a name="EN-US_TOPIC_0000001278335673__li5856373211153"></a><a name="li5856373211153"></a>If an existing key pair (created using PuTTYgen, for example) is available, you can import the public key by referring to <a href="en-us_topic_0000001278734873.html">Importing a Key Pair</a> on the management console to let the system maintain your public key.</p>
@ -22,7 +23,7 @@
</div></div>
</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001278335673__section57670118165256"><h4 class="sectiontitle">Constraints</h4><ul id="EN-US_TOPIC_0000001278335673__ul39416956165437"><li id="EN-US_TOPIC_0000001278335673__li914832612416">Key pairs can be used to remotely log in to Linux ECSs only.</li><li id="EN-US_TOPIC_0000001278335673__li173231662366">SSH-2 key pairs created on the console support only the RSA-2048 cryptographic algorithms.</li><li id="EN-US_TOPIC_0000001278335673__li33811559184416">Key pairs are only for one user but they can be imported to other users.</li><li id="EN-US_TOPIC_0000001278335673__li258245044717">Key pairs can be used only for ECSs in the same region.</li><li id="EN-US_TOPIC_0000001278335673__li11304141193611">Imported key pairs support the following cryptographic algorithms:<ul id="EN-US_TOPIC_0000001278335673__ul92724289362"><li id="EN-US_TOPIC_0000001278335673__li2069732612367">RSA-1024</li><li id="EN-US_TOPIC_0000001278335673__li1870018264364">RSA-2048</li><li id="EN-US_TOPIC_0000001278335673__li270219265362">RSA-4096</li></ul>
<div class="section" id="EN-US_TOPIC_0000001278335673__section57670118165256"><h4 class="sectiontitle">Notes and Constraints</h4><ul id="EN-US_TOPIC_0000001278335673__ul39416956165437"><li id="EN-US_TOPIC_0000001278335673__li914832612416">Key pairs can be used to remotely log in to Linux ECSs only.</li><li id="EN-US_TOPIC_0000001278335673__li173231662366">SSH-2 key pairs created on the console support only the RSA-2048 cryptographic algorithms.</li><li id="EN-US_TOPIC_0000001278335673__li33811559184416">Key pairs are only for one user but they can be imported to other users.</li><li id="EN-US_TOPIC_0000001278335673__li258245044717">Key pairs can be used only for ECSs in the same region.</li><li id="EN-US_TOPIC_0000001278335673__li11304141193611">Imported key pairs support the following cryptographic algorithms:<ul id="EN-US_TOPIC_0000001278335673__ul92724289362"><li id="EN-US_TOPIC_0000001278335673__li2069732612367">RSA-1024</li><li id="EN-US_TOPIC_0000001278335673__li1870018264364">RSA-2048</li><li id="EN-US_TOPIC_0000001278335673__li270219265362">RSA-4096</li></ul>
</li><li id="EN-US_TOPIC_0000001278335673__li3163843411410">Store your private key in a secure place because you need to use it to prove your identity when logging in to your ECS. The private key can be downloaded once only.</li></ul>
</div>
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</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001278734873__section62005706143441"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000001278734873__ol49887931143442"><li id="EN-US_TOPIC_0000001278734873__li4261248104818">Log in to the management console.</li><li id="EN-US_TOPIC_0000001278734873__li464234814566">Click <span><img id="EN-US_TOPIC_0000001278734873__en-us_topic_0014250631_image1862675853202121" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0000001278734873__li44979101143442">Under <strong id="EN-US_TOPIC_0000001278734873__b1481314710411"><span id="EN-US_TOPIC_0000001278734873__text1481211479417">Computing</span></strong>, click <strong id="EN-US_TOPIC_0000001278734873__b10813144718412">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0000001278734873__li2158728143442">In the navigation pane on the left, choose <strong id="EN-US_TOPIC_0000001278734873__b46541856518">Key Pair</strong>.</li><li id="EN-US_TOPIC_0000001278734873__li32291957143442">On the <strong id="EN-US_TOPIC_0000001278734873__b1535364720341">Key Pair Service</strong> page, click <strong id="EN-US_TOPIC_0000001278734873__b196332291428">Import Key Pair</strong>.<div class="fignone" id="EN-US_TOPIC_0000001278734873__fig30209536143442"><span class="figcap"><b>Figure 1 </b>Import Public Key</span><br><span><img id="EN-US_TOPIC_0000001278734873__image154212135343" src="en-us_image_0000001234671514.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0000001278734873__li37898602143442">Use either of the following methods to import the key pair:<ul id="EN-US_TOPIC_0000001278734873__ul4210955143442"><li id="EN-US_TOPIC_0000001278734873__li57034482143442">Selecting a file<ol type="a" id="EN-US_TOPIC_0000001278734873__ol1214990115226"><li id="EN-US_TOPIC_0000001278734873__li2371687115226">In the <strong id="EN-US_TOPIC_0000001278734873__b842352706112651">Import Key Pair</strong> dialog box of the management console, click <strong id="EN-US_TOPIC_0000001278734873__b842352706112725">Select File</strong> and select the locally stored public key file (for example, the .txt file saved in <a href="en-us_topic_0000001234335274.html#EN-US_TOPIC_0000001234335274__li18403111116343">3</a> in <a href="en-us_topic_0000001234335274.html">Creating a Key Pair Using PuTTYgen</a>).<div class="note" id="EN-US_TOPIC_0000001278734873__note2825014412158"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001278734873__p5292471112158">Make sure that the file to be imported is a public key file.</p>
</li><li id="EN-US_TOPIC_0000001278734873__li37898602143442">Use either of the following methods to import the key pair:<ul id="EN-US_TOPIC_0000001278734873__ul4210955143442"><li id="EN-US_TOPIC_0000001278734873__li57034482143442">Selecting a file<ol type="a" id="EN-US_TOPIC_0000001278734873__ol1214990115226"><li id="EN-US_TOPIC_0000001278734873__li2371687115226">In the <strong id="EN-US_TOPIC_0000001278734873__b842352706112651">Import Key Pair</strong> dialog box of the management console, click <strong id="EN-US_TOPIC_0000001278734873__b842352706112725">Select File</strong> and select the locally stored public key file (for example, the .txt file saved in <a href="en-us_topic_0000001234335274.html#EN-US_TOPIC_0000001234335274__li18403111116343">3</a> in <a href="en-us_topic_0000001234335274.html">Creating a Key Pair Using PuTTY Key Generator</a>).<div class="note" id="EN-US_TOPIC_0000001278734873__note2825014412158"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001278734873__p5292471112158">Make sure that the file to be imported is a public key file.</p>
</div></div>
</li><li id="EN-US_TOPIC_0000001278734873__li36968064152326">Click <strong id="EN-US_TOPIC_0000001278734873__b3851022171115">OK</strong>.<p id="EN-US_TOPIC_0000001278734873__p53154419152328">After the public key is imported, you can change its name.</p>
</li></ol>

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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785174.html">ECS Creation</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785174.html">ECS Creation FAQ</a></div>
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<div class="section" id="EN-US_TOPIC_0000001630328828__section17219145882217"><h4 class="sectiontitle">Example 3: Searching by Multiple Properties</h4><p id="EN-US_TOPIC_0000001630328828__p176111913102315">You can search by multiple properties and the properties are in AND relationship.</p>
<p id="EN-US_TOPIC_0000001630328828__p16643125015206">The following properties only support exact search and you need to enter complete values for them: ID, EIP, image ID, and VPC ID.</p>
<p id="EN-US_TOPIC_0000001630328828__p17651431142420">In this example, use <strong id="EN-US_TOPIC_0000001630328828__b29550292500">Name</strong> and <strong id="EN-US_TOPIC_0000001630328828__b6380632175010">Private IP Address</strong> for a combination of search.</p>
<ol id="EN-US_TOPIC_0000001630328828__ol1119912115246"><li id="EN-US_TOPIC_0000001630328828__li8199219243">Select <strong id="EN-US_TOPIC_0000001630328828__b26619119502">Name</strong> and enter an ECS name in the search box for fuzzy search.</li><li id="EN-US_TOPIC_0000001630328828__li131991116242">Select <strong id="EN-US_TOPIC_0000001630328828__b11663172317510">Private IP Address</strong> and enter a private IP address for fuzzy search.</li></ol>
<ol id="EN-US_TOPIC_0000001630328828__ol1119912115246"><li id="EN-US_TOPIC_0000001630328828__li8199219243">Select <strong id="EN-US_TOPIC_0000001630328828__b26619119502">Name</strong> and enter an ECS name in the search box for fuzzy search.</li><li id="EN-US_TOPIC_0000001630328828__li131991116242">Select <strong id="EN-US_TOPIC_0000001630328828__b154789362376">Private IP Address</strong> and enter a private IP address for fuzzy search.</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001630328828__section83196235462"><h4 class="sectiontitle">Example 4: Searching by Tags</h4><p id="EN-US_TOPIC_0000001630328828__p1801130112619">You can search by tag key-value pair.</p>
<p id="EN-US_TOPIC_0000001630328828__p115191827152611">You can add one or more tags. If keys are different, the tags are automatically joined with AND.</p>

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<a name="EN-US_TOPIC_0000001987515176"></a><a name="EN-US_TOPIC_0000001987515176"></a>
<h1 class="topictitle1">Data Backup and Restoration</h1>
<h1 class="topictitle1">Data Backup and Restoration FAQ</h1>
<div id="body0000001987515176"><p id="EN-US_TOPIC_0000001987515176__p8060118"></p>
</div>

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<tr id="EN-US_TOPIC_0013771089__row1894116502312"><td class="cellrowborder" valign="top" headers="mcps1.3.2.3.2.5.1.1 "><p id="EN-US_TOPIC_0013771089__p139411250137">Windows</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.3.2.5.1.2 "><p id="EN-US_TOPIC_0013771089__p99418501233">Use the remote login function available on the management console.</p>
<p id="EN-US_TOPIC_0013771089__p1314952191010"><a href="en-us_topic_0093263550.html">Remotely Logging In to a Linux ECS (Using VNC)</a></p>
<p id="EN-US_TOPIC_0013771089__p1314952191010"><a href="en-us_topic_0093263550.html">Logging In to a Linux ECS Using VNC</a></p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.3.2.5.1.3 "><p id="EN-US_TOPIC_0013771089__p1941185019312">No EIP is required.</p>
</td>

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<a name="EN-US_TOPIC_0013771092"></a><a name="EN-US_TOPIC_0013771092"></a>
<h1 class="topictitle1">General Operations</h1>
<h1 class="topictitle1">Modifying Individual ECS Specifications</h1>
<div id="body48598242"><div class="section" id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_section14602858172718"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_a2c9a6797f65d44aba4ec9d2961d46223">If <span id="EN-US_TOPIC_0013771092__text153582118433">ECS</span> specifications do not meet service requirements, you can modify the <span id="EN-US_TOPIC_0013771092__text16359311124314">ECS</span> specifications, including vCPUs and memory. Certain <span id="EN-US_TOPIC_0013771092__text13759153719401">ECS</span>s allow you to change their types when you modify their specifications.</p>
</div>
@ -8,10 +8,10 @@
<ol id="EN-US_TOPIC_0013771092__ol1580125031315"><li id="EN-US_TOPIC_0013771092__li158065010135">On the page providing details about the ECS, view the ECS specifications.<div class="fignone" id="EN-US_TOPIC_0013771092__fig14561414141716"><span class="figcap"><b>Figure 1 </b>Viewing ECS specifications</span><br><span><img id="EN-US_TOPIC_0013771092__image199481252184017" src="en-us_image_0121090576.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0013771092__li530413618147">Check the specifications tables in <a href="en-us_topic_0035470096.html">ECS Types</a> for the virtualization type.</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_section57753505172833"><h4 class="sectiontitle">Notes</h4><ul id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_ul35475327193536"><li id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_li63799810105126">Downgrading ECS specifications (vCPU or memory) will reduce performance.</li><li id="EN-US_TOPIC_0013771092__li344174672418">Certain ECS types do not support specifications modification currently. For details about available ECS types and functions, see <a href="en-us_topic_0035470096.html">ECS Types</a>. For details about restrictions on using different types of ECSs, see their notes.</li><li id="EN-US_TOPIC_0013771092__li143963249488">When the disk status is <strong id="EN-US_TOPIC_0013771092__b1045710382410">Expanding</strong>, you are not allowed to modify the specifications of the <span id="EN-US_TOPIC_0013771092__text163331642194016">ECS</span> where the disk is attached.</li><li id="EN-US_TOPIC_0013771092__li14961154101510">Before modifying the specifications of a Windows ECS, modify the SAN policy by following the instructions provided in <a href="en-us_topic_0114225937.html">Why Does a Disk Attached to a Windows ECS Go Offline?</a> to prevent disks from going offline after the specifications are modified.</li><li id="EN-US_TOPIC_0013771092__li883917325184">Before modifying specifications, make sure that the <span id="EN-US_TOPIC_0013771092__text17235243154011">ECS</span> has been stopped.</li></ul>
<div class="section" id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_section57753505172833"><h4 class="sectiontitle">Notes</h4><ul id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_ul35475327193536"><li id="EN-US_TOPIC_0013771092__li059731619453">The ECS needs to be stopped during the the specification modification, so you are advised to perform this operation during off-peak hours.</li><li id="EN-US_TOPIC_0013771092__li168827587416">During the specification modification, do not perform any operation on the <span id="EN-US_TOPIC_0013771092__text624921414422">ECS</span>, such as stopping or restarting the ECS. Otherwise, the modification will fail.</li><li id="EN-US_TOPIC_0013771092__en-us_topic_0013859511_li63799810105126">Downgrading ECS specifications (vCPU or memory) will reduce performance.</li><li id="EN-US_TOPIC_0013771092__li344174672418">Certain ECS types do not support specifications modification currently. For details about available ECS types and functions, see <a href="en-us_topic_0035470096.html">ECS Types</a>. For details about restrictions on using different types of ECSs, see their notes.</li><li id="EN-US_TOPIC_0013771092__li143963249488">When the disk status is <strong id="EN-US_TOPIC_0013771092__b1045710382410">Expanding</strong>, you are not allowed to modify the specifications of the <span id="EN-US_TOPIC_0013771092__text163331642194016">ECS</span> where the disk is attached.</li><li id="EN-US_TOPIC_0013771092__li14961154101510">Before modifying the specifications of a Windows ECS, modify the SAN policy by following the instructions provided in <a href="en-us_topic_0114225937.html">Why Does a Disk Attached to a Windows ECS Go Offline?</a> to prevent disks from going offline after the specifications are modified.</li><li id="EN-US_TOPIC_0013771092__li883917325184">Before modifying specifications, make sure that the <span id="EN-US_TOPIC_0013771092__text17235243154011">ECS</span> has been stopped.</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0013771092__section997143905215"><h4 class="sectiontitle">Step 1: Modify Specifications</h4><ol id="EN-US_TOPIC_0013771092__ol97324075216"><li id="EN-US_TOPIC_0013771092__li3490190117228">Log in to the management console.</li><li id="EN-US_TOPIC_0013771092__li464234814566">Click <span><img id="EN-US_TOPIC_0013771092__en-us_topic_0014250631_image1862675853202121" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771092__li17112406525">Under <strong id="EN-US_TOPIC_0013771092__b139798429452"><span id="EN-US_TOPIC_0013771092__text14978114215453">Computing</span></strong>, click <strong id="EN-US_TOPIC_0013771092__b179795429455">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771092__li117214409522">On the <strong id="EN-US_TOPIC_0013771092__b1234022165217">Elastic Cloud Server</strong> page, view the status of the target <span id="EN-US_TOPIC_0013771092__text10467144714020">ECS</span>.<p id="EN-US_TOPIC_0013771092__p144608369486">If the ECS is not in <strong id="EN-US_TOPIC_0013771092__b842352706113828">Stopped</strong> state, click <strong id="EN-US_TOPIC_0013771092__b842352706113834">More</strong> in the <strong id="EN-US_TOPIC_0013771092__b133847578419153">Operation</strong> column and select <strong id="EN-US_TOPIC_0013771092__b842352706123127">Stop</strong>.</p>
</li><li id="EN-US_TOPIC_0013771092__li572184075211">Click <strong id="EN-US_TOPIC_0013771092__b25955399219229">More</strong> in the <strong id="EN-US_TOPIC_0013771092__b211788459919229">Operation</strong> column and select <strong id="EN-US_TOPIC_0013771092__b84235270619250">Modify Specifications</strong>.<p id="EN-US_TOPIC_0013771092__p20946954194414">The <strong id="EN-US_TOPIC_0013771092__b9744134517453">Modify ECS Specifications</strong> page is displayed.</p>
<div class="section" id="EN-US_TOPIC_0013771092__section997143905215"><h4 class="sectiontitle">Step 1: Modify Specifications</h4><ol id="EN-US_TOPIC_0013771092__ol97324075216"><li id="EN-US_TOPIC_0013771092__li3490190117228">Log in to the management console.</li><li id="EN-US_TOPIC_0013771092__li464234814566">Click <span><img id="EN-US_TOPIC_0013771092__en-us_topic_0014250631_image1862675853202121" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771092__li17112406525">Under <strong id="EN-US_TOPIC_0013771092__b139798429452"><span id="EN-US_TOPIC_0013771092__text14978114215453">Computing</span></strong>, click <strong id="EN-US_TOPIC_0013771092__b179795429455">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771092__li117214409522">On the <strong id="EN-US_TOPIC_0013771092__b1234022165217">Elastic Cloud Server</strong> page, view the status of the target <span id="EN-US_TOPIC_0013771092__text10467144714020">ECS</span>.<p id="EN-US_TOPIC_0013771092__p144608369486">If the ECS is not in <strong id="EN-US_TOPIC_0013771092__b842352706113828">Stopped</strong> state, choose <strong id="EN-US_TOPIC_0013771092__b842352706113834">More</strong> &gt; <strong id="EN-US_TOPIC_0013771092__b842352706123127">Stop</strong> in the <strong id="EN-US_TOPIC_0013771092__b133847578419153">Operation</strong> column.</p>
</li><li id="EN-US_TOPIC_0013771092__li572184075211">Choose <strong id="EN-US_TOPIC_0013771092__b25955399219229">More</strong> &gt; <strong id="EN-US_TOPIC_0013771092__b84235270619250">Modify Specifications</strong> in the <strong id="EN-US_TOPIC_0013771092__b211788459919229">Operation</strong> column.<p id="EN-US_TOPIC_0013771092__p20946954194414">The <strong id="EN-US_TOPIC_0013771092__b9744134517453">Modify ECS Specifications</strong> page is displayed.</p>
</li><li id="EN-US_TOPIC_0013771092__li137218401522">Select the new <span id="EN-US_TOPIC_0013771092__text1626718488409">ECS</span> type, vCPUs, and memory as prompted.<div class="fignone" id="EN-US_TOPIC_0013771092__fig113561614164413"><span class="figcap"><b>Figure 2 </b>Modifying specifications</span><br><span><img id="EN-US_TOPIC_0013771092__image7356714174415" src="en-us_image_0000001657891362.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0013771092__li654534825212">(Optional) Set <strong id="EN-US_TOPIC_0013771092__b8423527062212">DeH</strong>.<p id="EN-US_TOPIC_0013771092__p196261841172818">If the ECS is created on a DeH, the system allows you to change the DeH.</p>
<p id="EN-US_TOPIC_0013771092__p1730463595012">To do so, select the target DeH from the drop-down list. If no DeH is available in the drop-down list, remaining DeH resources are insufficient and cannot be used to create the ECS with specifications modified.</p>
@ -27,14 +27,14 @@
</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0013771092__section9461027528"><a name="EN-US_TOPIC_0013771092__section9461027528"></a><a name="section9461027528"></a><h4 class="sectiontitle">Follow-up Procedure</h4><p id="EN-US_TOPIC_0013771092__p8156201916532">Perform the following operations in the event of a specifications modification failure:</p>
<ol id="EN-US_TOPIC_0013771092__ol8483192220537"><li id="EN-US_TOPIC_0013771092__li16375104774517">Log in to the management console.</li><li id="EN-US_TOPIC_0013771092__li206631552125313">Under <strong id="EN-US_TOPIC_0013771092__b1753645612450"><span id="EN-US_TOPIC_0013771092__text4536105610450">Management &amp; Deployment</span></strong>, choose <strong id="EN-US_TOPIC_0013771092__b25361456114512">Cloud Trace Service</strong>.</li><li id="EN-US_TOPIC_0013771092__li077853845414">In the navigation pane on the left, choose <strong id="EN-US_TOPIC_0013771092__b842352706143413">Trace List</strong>.</li><li id="EN-US_TOPIC_0013771092__li104504323416">In the <strong id="EN-US_TOPIC_0013771092__b44447745514440">Trace Name</strong> column, locate the <strong id="EN-US_TOPIC_0013771092__b842352706143624">resizeServer</strong> event by resource ID.<p id="EN-US_TOPIC_0013771092__p1166001972618">The resource ID is the ID of the <span id="EN-US_TOPIC_0013771092__text169919920413">ECS</span> on which the specifications modification failed.</p>
<ol id="EN-US_TOPIC_0013771092__ol8483192220537"><li id="EN-US_TOPIC_0013771092__li16375104774517">Log in to the management console.</li><li id="EN-US_TOPIC_0013771092__li206631552125313">Under <strong id="EN-US_TOPIC_0013771092__b1753645612450"><span id="EN-US_TOPIC_0013771092__text6834455153510">Management &amp; Deployment</span></strong>, choose <strong id="EN-US_TOPIC_0013771092__b25361456114512">Cloud Trace Service</strong>.</li><li id="EN-US_TOPIC_0013771092__li077853845414">In the navigation pane on the left, choose <strong id="EN-US_TOPIC_0013771092__b842352706143413">Trace List</strong>.</li><li id="EN-US_TOPIC_0013771092__li104504323416">In the <strong id="EN-US_TOPIC_0013771092__b44447745514440">Trace Name</strong> column, locate the <strong id="EN-US_TOPIC_0013771092__b842352706143624">resizeServer</strong> event by resource ID.<p id="EN-US_TOPIC_0013771092__p1166001972618">The resource ID is the ID of the <span id="EN-US_TOPIC_0013771092__text169919920413">ECS</span> on which the specifications modification failed.</p>
</li><li id="EN-US_TOPIC_0013771092__li648352205319">Click <strong id="EN-US_TOPIC_0013771092__b842352706144643">View Trace</strong> in the <strong id="EN-US_TOPIC_0013771092__b842352706144646">Operation</strong> column to view the failure cause.<p id="EN-US_TOPIC_0013771092__p6736191420314">If the fault cannot be rectified based on logs, contact customer service.</p>
</li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030828258.html">Modifying ECS Specifications</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030828258.html">Modifying ECS Specifications (vCPUs and Memory)</a></div>
</div>
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</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0133513874.html">Managing GPU Drivers of GPU-accelerated ECSs</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0176502615.html">Managing ECSs</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0176502615.html">Managing ECS Configurations</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0030828258.html">Modifying ECS Specifications</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0030828258.html">Modifying ECS Specifications (vCPUs and Memory)</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001983533061.html">Reinstalling or Changing the OS</a></strong><br>
</li>

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<div id="body5485596"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0030930805.html">ECS Overview</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0030930805.html">Product Consulting FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0208785174.html">ECS Creation</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0208785174.html">ECS Creation FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0208785175.html">ECS Deletion</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0208785175.html">ECS Deletion and Unsubscription FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0030930807.html">Login and Connection</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0030930807.html">Remote Login FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018196896.html">Regions and AZs</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0018196896.html">Region and AZ FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0155136013.html">GUI Installation FAQs</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0155136013.html">OS FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124786.html">Disk Management</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124786.html">Disk Partition, Attachment, and Expansion FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001987515176.html">Data Backup and Restoration</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0000001987515176.html">Data Backup and Restoration FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124785.html">Network Configurations</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124785.html">Network Configuration FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0030930806.html">EIPs</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0030930806.html">EIP FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0105215483.html">Passwords and Key Pairs</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0105215483.html">Password and Key Pair FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124789.html">Database Applications</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124789.html">Application Deployment and Software Installation FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0170135967.html">File Upload/Data Transfer</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0170135967.html">File Upload/Data Transfer FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0208808107.html">Usage Errors</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0208808107.html">ECS Failure FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0208809316.html">Resource Monitoring</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0208809316.html">Slow ECS Response FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0208808106.html">Modifying Specifications</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0208808106.html">Specification Modification FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124788.html">OS Management</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0018124788.html">OS Change FAQ</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0208809315.html">Resource Management and Tags</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0208809315.html">Resource Management and Tag FAQ</a></strong><br>
</li>
</ul>
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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930805.html">ECS Overview</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930805.html">Product Consulting FAQ</a></div>
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<h1 class="topictitle1">Starting and Stopping ECSs</h1>
<div id="body50261201"><p id="EN-US_TOPIC_0013771110__p53778529163755">You can start, stop, restart, or delete the ECS.</p>
<ul id="EN-US_TOPIC_0013771110__ul10537368143327"><li id="EN-US_TOPIC_0013771110__li39446482143330">To prevent a sudden load increase, you are advised to start or stop a small number of ECSs at a time.</li><li id="EN-US_TOPIC_0013771110__li3892465143327">If an ECS remains in the <strong id="EN-US_TOPIC_0013771110__b7348212444">Restarting</strong> or <strong id="EN-US_TOPIC_0013771110__b1849962519444">Stopping</strong> state for a long time, you can forcibly restart or stop it. In such a case, any unsaved data on the ECS will be lost. Therefore, exercise caution when forcibly restarting or stopping an ECS.</li></ul>
<div class="section" id="EN-US_TOPIC_0013771110__section14434185919356"><h4 class="sectiontitle">Starting ECSs</h4><ol id="EN-US_TOPIC_0013771110__ol1815054814377"><li id="EN-US_TOPIC_0013771110__li1115013481371">Log in to the management console.</li><li id="EN-US_TOPIC_0013771110__li464234814566">Click <span><img id="EN-US_TOPIC_0013771110__en-us_topic_0014250631_image1862675853202121" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771110__li536619270399">Under <strong id="EN-US_TOPIC_0013771110__b415143114319"><span id="EN-US_TOPIC_0013771110__text12526437192810">Computing</span></strong>, select <strong id="EN-US_TOPIC_0013771110__b49771051164320">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771110__li7498532103919">In the ECS list, select the target ECSs.</li><li id="EN-US_TOPIC_0013771110__li5545104233912">Click <strong id="EN-US_TOPIC_0013771110__b106541324145810">Start</strong> in the upper left corner of the list.</li><li id="EN-US_TOPIC_0013771110__li725973819117">In the displayed window, click <strong id="EN-US_TOPIC_0013771110__b17440161714518">Yes</strong>.<div class="note" id="EN-US_TOPIC_0013771110__note171497211231"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p10150921836">Contact the administrator if the ECS has been in the <strong id="EN-US_TOPIC_0013771110__b1050510213118">Starting</strong> state for more than 30 minutes.</p>
<div class="note" id="EN-US_TOPIC_0013771110__note1763481284"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p1361648584">For bare metal ECSs (with physical flavors) such as C7t ECSs, do not run commands such as <strong id="EN-US_TOPIC_0013771110__b97961308279">shutdown</strong>, <strong id="EN-US_TOPIC_0013771110__b1379780132719">poweoff</strong>, or <strong id="EN-US_TOPIC_0013771110__b37971803278">half</strong> in the OS because the commands may be invalid or the ECS may fail to be started after being stopped.</p>
</div></div>
<div class="section" id="EN-US_TOPIC_0013771110__section14434185919356"><h4 class="sectiontitle">Starting ECSs</h4><ol id="EN-US_TOPIC_0013771110__ol1815054814377"><li id="EN-US_TOPIC_0013771110__li1115013481371">Log in to the management console.</li><li id="EN-US_TOPIC_0013771110__li464234814566">Click <span><img id="EN-US_TOPIC_0013771110__en-us_topic_0014250631_image1862675853202121" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771110__li536619270399">Under <strong id="EN-US_TOPIC_0013771110__b415143114319"><span id="EN-US_TOPIC_0013771110__text12526437192810">Computing</span></strong>, select <strong id="EN-US_TOPIC_0013771110__b49771051164320">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771110__li7498532103919">In the ECS list, select the target ECSs.</li><li id="EN-US_TOPIC_0013771110__li5545104233912">Click <strong id="EN-US_TOPIC_0013771110__b106541324145810">Start</strong> in the upper left corner of the list.</li><li id="EN-US_TOPIC_0013771110__li725973819117">In the displayed window, click <strong id="EN-US_TOPIC_0013771110__b17440161714518">OK</strong>.<div class="note" id="EN-US_TOPIC_0013771110__note171497211231"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p10150921836">Contact the administrator if the ECS has been in the <strong id="EN-US_TOPIC_0013771110__b1050510213118">Starting</strong> state for more than 30 minutes.</p>
</div></div>
</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0013771110__section1777940307"><h4 class="sectiontitle">Stopping ECSs</h4><ol id="EN-US_TOPIC_0013771110__ol178640702"><li id="EN-US_TOPIC_0013771110__li107894014011">Log in to the management console.</li><li id="EN-US_TOPIC_0013771110__li16781401508">Click <span><img id="EN-US_TOPIC_0013771110__en-us_topic_0014250631_image1862675853202121_1" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771110__li37815401503">Under <strong id="EN-US_TOPIC_0013771110__b541656460"><span id="EN-US_TOPIC_0013771110__text250176045">Computing</span></strong>, select <strong id="EN-US_TOPIC_0013771110__b1062823956">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771110__li17788401701">In the ECS list, select the target ECSs.</li><li id="EN-US_TOPIC_0013771110__li1978340107">Click <strong id="EN-US_TOPIC_0013771110__b12444104218120">Stop</strong> in the upper left corner of the list.</li><li id="EN-US_TOPIC_0013771110__li1622618482513">In the displayed dialog box, select <strong id="EN-US_TOPIC_0013771110__b0957404251">Forcibly stop the preceding ECSs</strong> based on your service requirements.<div class="notice" id="EN-US_TOPIC_0013771110__note14575817126"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0013771110__p17595816128">After an ECS is forcibly stopped, unsaved data on the ECS will be lost.</p>
<div class="section" id="EN-US_TOPIC_0013771110__section1777940307"><h4 class="sectiontitle">Stopping ECSs</h4><ol id="EN-US_TOPIC_0013771110__ol178640702"><li id="EN-US_TOPIC_0013771110__li107894014011">Log in to the management console.</li><li id="EN-US_TOPIC_0013771110__li16781401508">Click <span><img id="EN-US_TOPIC_0013771110__en-us_topic_0014250631_image1862675853202121_1" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771110__li37815401503">Under <strong id="EN-US_TOPIC_0013771110__b93669193"><span id="EN-US_TOPIC_0013771110__text964285530">Computing</span></strong>, select <strong id="EN-US_TOPIC_0013771110__b1743573203">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771110__li17788401701">In the ECS list, select the target ECSs.</li><li id="EN-US_TOPIC_0013771110__li1978340107">Click <strong id="EN-US_TOPIC_0013771110__b12444104218120">Stop</strong> in the upper left corner of the list.</li><li id="EN-US_TOPIC_0013771110__li1622618482513">In the displayed dialog box, select <strong id="EN-US_TOPIC_0013771110__b0957404251">Forcibly stop the preceding ECSs</strong> based on your service requirements.<div class="notice" id="EN-US_TOPIC_0013771110__note14575817126"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0013771110__p17595816128">After an ECS is forcibly stopped, unsaved data on the ECS will be lost.</p>
<p id="EN-US_TOPIC_0013771110__p51026124329">ECSs with physical flavors, such as C7t ECSs, only support the force stop option. Ensure that you have saved all files on those ECSs.</p>
</div></div>
</li><li id="EN-US_TOPIC_0013771110__li16794406015">Click <strong id="EN-US_TOPIC_0013771110__b196941158456">Yes</strong> to stop the ECSs.<div class="note" id="EN-US_TOPIC_0013771110__note1179134019014"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p19793401906">Contact the administrator if the ECS has been in the <strong id="EN-US_TOPIC_0013771110__b1353172617618">Stopping</strong> state for more than 30 minutes.</p>
</li><li id="EN-US_TOPIC_0013771110__li16794406015">Click <strong id="EN-US_TOPIC_0013771110__b196941158456">OK</strong> to stop the ECSs.<div class="note" id="EN-US_TOPIC_0013771110__note1179134019014"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p19793401906">Contact the administrator if the ECS has been in the <strong id="EN-US_TOPIC_0013771110__b1353172617618">Stopping</strong> state for more than 30 minutes.</p>
</div></div>
</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0013771110__section520563714015"><h4 class="sectiontitle">Restarting ECSs</h4><ol id="EN-US_TOPIC_0013771110__ol1020563717017"><li id="EN-US_TOPIC_0013771110__li1520523711013">Log in to the management console.</li><li id="EN-US_TOPIC_0013771110__li62063371603">Click <span><img id="EN-US_TOPIC_0013771110__en-us_topic_0014250631_image1862675853202121_2" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771110__li42063371017">Under <strong id="EN-US_TOPIC_0013771110__b1162268908"><span id="EN-US_TOPIC_0013771110__text534763863">Computing</span></strong>, select <strong id="EN-US_TOPIC_0013771110__b819080465">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771110__li122061376016">In the ECS list, select the target ECSs.</li><li id="EN-US_TOPIC_0013771110__li5206123715017">Click <strong id="EN-US_TOPIC_0013771110__b1318820253711">Restart</strong> in the upper left corner of the list.<div class="notice" id="EN-US_TOPIC_0013771110__note265315011017"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0013771110__p11653140141014">After an ECS is forcibly restarted, unsaved data on the ECS will be lost.</p>
<div class="section" id="EN-US_TOPIC_0013771110__section520563714015"><h4 class="sectiontitle">Restarting ECSs</h4><ol id="EN-US_TOPIC_0013771110__ol1020563717017"><li id="EN-US_TOPIC_0013771110__li1520523711013">Log in to the management console.</li><li id="EN-US_TOPIC_0013771110__li62063371603">Click <span><img id="EN-US_TOPIC_0013771110__en-us_topic_0014250631_image1862675853202121_2" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0013771110__li42063371017">Under <strong id="EN-US_TOPIC_0013771110__b631114988"><span id="EN-US_TOPIC_0013771110__text964253098">Computing</span></strong>, select <strong id="EN-US_TOPIC_0013771110__b1755030747">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0013771110__li122061376016">In the ECS list, select the target ECSs.</li><li id="EN-US_TOPIC_0013771110__li5206123715017">Click <strong id="EN-US_TOPIC_0013771110__b1318820253711">Restart</strong> in the upper left corner of the list.<div class="notice" id="EN-US_TOPIC_0013771110__note265315011017"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0013771110__p11653140141014">After an ECS is forcibly restarted, unsaved data on the ECS will be lost.</p>
</div></div>
</li><li id="EN-US_TOPIC_0013771110__li920773710015">Click <strong id="EN-US_TOPIC_0013771110__b45781140971">Yes</strong> to stop the ECSs.<div class="note" id="EN-US_TOPIC_0013771110__note162076371706"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p620715371007">Contact the administrator if the ECS has been in the <strong id="EN-US_TOPIC_0013771110__b1998114319719">Restarting</strong> state for more than 30 minutes.</p>
</li><li id="EN-US_TOPIC_0013771110__li920773710015">Click <strong id="EN-US_TOPIC_0013771110__b45781140971">OK</strong> to stop the ECSs.<div class="note" id="EN-US_TOPIC_0013771110__note162076371706"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0013771110__p620715371007">Contact the administrator if the ECS has been in the <strong id="EN-US_TOPIC_0013771110__b1998114319719">Restarting</strong> state for more than 30 minutes.</p>
</div></div>
</li></ol>
</div>
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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0176502615.html">Managing ECSs</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0176502615.html">Managing ECS Configurations</a></div>
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<div class="section" id="EN-US_TOPIC_0013771112__section4598730144410"><h4 class="sectiontitle">Access Methods</h4><div class="p" id="EN-US_TOPIC_0013771112__en-us_topic_0029700409_p43867502165751">You can access ECS through the web-based management console or HTTPS-based application programming interfaces (APIs).<ul id="EN-US_TOPIC_0013771112__en-us_topic_0029700409_ul59263200165751"><li id="EN-US_TOPIC_0013771112__en-us_topic_0029700409_li63606753165751">Accessing ECSs through APIs<p id="EN-US_TOPIC_0013771112__en-us_topic_0029700409_p35589866165751"><a name="EN-US_TOPIC_0013771112__en-us_topic_0029700409_li63606753165751"></a><a name="en-us_topic_0029700409_li63606753165751"></a>Use this method if you intend to integrate ECSs into a third-party system for secondary development. For details, see <em id="EN-US_TOPIC_0013771112__i108407570912">Elastic Cloud Server API Reference</em>.</p>
</li><li id="EN-US_TOPIC_0013771112__en-us_topic_0029700409_li51873340165751">Accessing ECSs through the management console<p id="EN-US_TOPIC_0013771112__p19101516131917"><a name="EN-US_TOPIC_0013771112__en-us_topic_0029700409_li51873340165751"></a><a name="en-us_topic_0029700409_li51873340165751"></a>Use this method if you are not required to integrate ECSs with a third-party system.</p>
<p id="EN-US_TOPIC_0013771112__p125490200197">Log in to the management console with your account and choose <strong id="EN-US_TOPIC_0013771112__b1217254116130">Elastic Cloud Server</strong> on the homepage. </p>
<p id="EN-US_TOPIC_0013771112__p125490200197">Log in to the management console with your account and choose <strong id="EN-US_TOPIC_0013771112__b1217254116130">Elastic Cloud Server</strong> on the homepage.</p>
</li></ul>
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<a name="EN-US_TOPIC_0017130261"></a><a name="EN-US_TOPIC_0017130261"></a>
<h1 class="topictitle1">Viewing ECS Details (List View)</h1>
<div id="body1435883576187"><div class="section" id="EN-US_TOPIC_0017130261__section3759917014179"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0017130261__p2563394814179">After obtaining <span id="EN-US_TOPIC_0017130261__text95540359913">ECS</span>s, you can view and manage them on the management console. This section describes how to view detailed <span id="EN-US_TOPIC_0017130261__text128503371694">ECS</span> configurations, including its name, image, system disk, data disks, VPC, NIC, security group, and <span id="EN-US_TOPIC_0017130261__text1950318107244">EIP</span>.</p>
<div id="body1435883576187"><div class="section" id="EN-US_TOPIC_0017130261__section3759917014179"><h4 class="sectiontitle">Scenarios</h4><p id="EN-US_TOPIC_0017130261__p2563394814179">After obtaining <span id="EN-US_TOPIC_0017130261__text95540359913">ECS</span>s, you can view and manage them on the management console. This section describes how to view <span id="EN-US_TOPIC_0017130261__text128503371694">ECS</span> configuration details, including its name, image, system disk, data disks, VPC, network interfaces, security group, <span id="EN-US_TOPIC_0017130261__text1950318107244">EIP</span> address, and bandwidth.</p>
<p id="EN-US_TOPIC_0017130261__p1177410251818">To view the private IP address of an <span id="EN-US_TOPIC_0017130261__text732212402912">ECS</span>, view it on the <strong id="EN-US_TOPIC_0017130261__b143545713161">Elastic Cloud Server</strong> page.</p>
</div>
<div class="section" id="EN-US_TOPIC_0017130261__section2937894314179"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0017130261__ol3088417414179"><li id="EN-US_TOPIC_0017130261__li3490190117228">Log in to the management console.</li><li id="EN-US_TOPIC_0017130261__li464234814566">Click <span><img id="EN-US_TOPIC_0017130261__en-us_topic_0014250631_image1862675853202121" src="en-us_image_0210779229.png"></span> in the upper left corner and select your region and project.</li><li id="EN-US_TOPIC_0017130261__li1859019014179">Under <strong id="EN-US_TOPIC_0017130261__b5435723111211"><span id="EN-US_TOPIC_0017130261__text10435152314126">Computing</span></strong>, choose <strong id="EN-US_TOPIC_0017130261__b19435323191214">Elastic Cloud Server</strong>.<p id="EN-US_TOPIC_0017130261__p28383428216">The <strong id="EN-US_TOPIC_0017130261__b66319339129">Elastic Cloud Server</strong> page is displayed. On this page, you can view your <span id="EN-US_TOPIC_0017130261__text1163233151211">ECS</span>s and the basic information about the <span id="EN-US_TOPIC_0017130261__text6638336129">ECS</span>s, such as their specifications, images, and IP addresses.</p>

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<div class="section" id="EN-US_TOPIC_0017955381__section65216898112059"><a name="EN-US_TOPIC_0017955381__section65216898112059"></a><a name="section65216898112059"></a><h4 class="sectiontitle">Enabling RDP</h4><div class="p" id="EN-US_TOPIC_0017955381__p48077410112059">For your first login, use VNC to log in and enable RDP for your ECS. Then, use MSTSC to log in.<div class="note" id="EN-US_TOPIC_0017955381__note5638113513711"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0017955381__p1527414171983">By default, RDP has been enabled on the ECSs created using a public image.</p>
</div></div>
<ol id="EN-US_TOPIC_0017955381__ol32949349111118"><li id="EN-US_TOPIC_0017955381__li56723037111118">Log in to the Windows <span id="EN-US_TOPIC_0017955381__text34341437111211">ECS</span> using VNC.<p id="EN-US_TOPIC_0017955381__p2050535911424">For details, see <a href="en-us_topic_0027268511.html">Remotely Logging In to a Windows ECS (Using VNC)</a>.</p>
<ol id="EN-US_TOPIC_0017955381__ol32949349111118"><li id="EN-US_TOPIC_0017955381__li56723037111118">Log in to the Windows <span id="EN-US_TOPIC_0017955381__text34341437111211">ECS</span> using VNC.<p id="EN-US_TOPIC_0017955381__p2050535911424">For details, see <a href="en-us_topic_0027268511.html">Logging In to a Windows ECS Using VNC</a>.</p>
</li><li id="EN-US_TOPIC_0017955381__li27377399113414">Click <strong id="EN-US_TOPIC_0017955381__b842352706141917">Start</strong> in the task bar and choose <strong id="EN-US_TOPIC_0017955381__b84235270614388">Control Panel</strong> &gt; <strong id="EN-US_TOPIC_0017955381__b842352706143812">System and Security</strong> &gt; <strong id="EN-US_TOPIC_0017955381__b842352706143816">System</strong> &gt; <strong id="EN-US_TOPIC_0017955381__b842352706143824">Remote settings</strong>.<p id="EN-US_TOPIC_0017955381__p12062548113415">The <strong id="EN-US_TOPIC_0017955381__b842352706144010">System Properties</strong> dialog box is displayed.</p>
<div class="fignone" id="EN-US_TOPIC_0017955381__fig276023113838"><span class="figcap"><b>Figure 6 </b>System Properties</span><br><span><img id="EN-US_TOPIC_0017955381__image22357863113838" src="en-us_image_0049287308.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0017955381__li23748224113443">Click the <strong id="EN-US_TOPIC_0017955381__b842352706144047">Remote</strong> tab and select <strong id="EN-US_TOPIC_0017955381__b842352706144218">Allow remote connections to this computer</strong>.</li><li id="EN-US_TOPIC_0017955381__li34570216113530">Click <strong id="EN-US_TOPIC_0017955381__b196862515418">OK</strong>.</li></ol>

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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785174.html">ECS Creation</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785174.html">ECS Creation FAQ</a></div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930805.html">ECS Overview</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930805.html">Product Consulting FAQ</a></div>
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<td class="cellrowborder" valign="top" width="16.41%" headers="mcps1.3.1.2.2.2.2.5.1.3 "><p id="EN-US_TOPIC_0018073215__p18413105011504">59</p>
</td>
<td class="cellrowborder" valign="top" width="48.92%" headers="mcps1.3.1.2.2.2.2.5.1.4 "><p id="EN-US_TOPIC_0018073215__p2413115045016">VBD disks + SCSI disks ≤ 60 (This constraint does not apply to local disks.)</p>
<p id="EN-US_TOPIC_0018073215__p341335020502">The number of local disks is determined based on the <span id="EN-US_TOPIC_0018073215__text1249828502">ECS</span> flavor.</p>
<p id="EN-US_TOPIC_0018073215__p341335020502">The number of local disks is determined based on the <span id="EN-US_TOPIC_0018073215__text20105752144010">ECS</span> flavor.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0018073215__row17413145010507"><td class="cellrowborder" valign="top" width="18.6%" headers="mcps1.3.1.2.2.2.2.5.1.1 "><p id="EN-US_TOPIC_0018073215__p3413050125016">D2</p>
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<td class="cellrowborder" valign="top" width="16.41%" headers="mcps1.3.1.2.2.2.2.5.1.3 "><p id="EN-US_TOPIC_0018073215__p141345010506">30</p>
</td>
<td class="cellrowborder" valign="top" width="48.92%" headers="mcps1.3.1.2.2.2.2.5.1.4 "><p id="EN-US_TOPIC_0018073215__p64135501508">VBD disks + SCSI disks ≤ 54 (This constraint does not apply to local disks.)</p>
<p id="EN-US_TOPIC_0018073215__p17413550145015">The number of local disks is determined based on the <span id="EN-US_TOPIC_0018073215__text569029396">ECS</span> flavor.</p>
<p id="EN-US_TOPIC_0018073215__p17413550145015">The number of local disks is determined based on the <span id="EN-US_TOPIC_0018073215__text910565217407">ECS</span> flavor.</p>
</td>
</tr>
</tbody>
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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124786.html">Disk Management</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124786.html">Disk Partition, Attachment, and Expansion FAQ</a></div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930806.html">EIPs</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930806.html">EIP FAQ</a></div>
</div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785175.html">ECS Deletion</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785175.html">ECS Deletion and Unsubscription FAQ</a></div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785175.html">ECS Deletion</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0208785175.html">ECS Deletion and Unsubscription FAQ</a></div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124785.html">Network Configurations</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124785.html">Network Configuration FAQ</a></div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124785.html">Network Configurations</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124785.html">Network Configuration FAQ</a></div>
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<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930806.html">EIPs</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0030930806.html">EIP FAQ</a></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124789.html">Database Applications</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124789.html">Application Deployment and Software Installation FAQ</a></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124789.html">Application Deployment and Software Installation FAQ</a></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124788.html">OS Management</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124788.html">OS Change FAQ</a></div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018124788.html">OS Change FAQ</a></div>
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<h1 class="topictitle1">Do ECSs Support GUI?</h1>
<div id="body1437566841621"><p id="EN-US_TOPIC_0018078523__p8060118">Windows ECSs are managed through a GUI but Linux ECSs are managed through the CLI. You can configure a GUI if required.</p>
<p id="EN-US_TOPIC_0018078523__p146021958204613">Before installing a GUI on an ECS, ensure that the idle memory is greater than or equal to 2 GiB. Otherwise, the GUI installation may fail or the ECS cannot be started after the installation.</p>
<p id="EN-US_TOPIC_0018078523__p146021958204613">Before installing a GUI on an ECS, ensure that the memory is no less than 2 GB to prevent GUI installation or ECS startup failures.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0155136013.html">GUI Installation FAQs</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0155136013.html">OS FAQ</a></div>
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<h1 class="topictitle1">Network Configurations</h1>
<h1 class="topictitle1">Network Configuration FAQ</h1>
<div id="body1437661772647"></div>
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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0074825901.html">How Can I Configure the NTP and DNS Servers for an ECS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0198270920.html">Configuring DNS</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0198270920.html">How Do I Configure DNS for an ECS?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018078501.html">Can the ECSs of Different Accounts Communicate over an Intranet?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0018078503.html">Will ECSs That I Purchased Deployed in the Same Subnet?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0101604507.html">How Can I Configure Port Redirection?</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0101604507.html">How Do I Configure Port Mapping?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0101604506.html">How Can I Obtain the MAC Address of My ECS?</a></strong><br>
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<h1 class="topictitle1">Disk Management</h1>
<h1 class="topictitle1">Disk Partition, Attachment, and Expansion FAQ</h1>
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<h1 class="topictitle1">OS Management</h1>
<h1 class="topictitle1">OS Change FAQ</h1>
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<h1 class="topictitle1">Database Applications</h1>
<h1 class="topictitle1">Application Deployment and Software Installation FAQ</h1>
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<h1 class="topictitle1">Regions and AZs</h1>
<h1 class="topictitle1">Region and AZ FAQ</h1>
<div id="body1437910739078"><p id="EN-US_TOPIC_0018196896__p8060118"></p>
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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="en-us_topic_0018196906.html">What Is an AZ?</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0018196906.html">What Is AZ and How Can I Select and View an AZ?</a></strong><br>
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<li class="ulchildlink"><strong><a href="en-us_topic_0018196907.html">Is Data Transmission Between AZs Billed?</a></strong><br>
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<h1 class="topictitle1">What Is an AZ?</h1>
<div id="body1437910739079"><div class="section" id="EN-US_TOPIC_0018196906__section2785152220451"><h4 class="sectiontitle">AZ</h4><p id="EN-US_TOPIC_0018196906__p51192596194721">An availability zone (AZ) is a physical region where resources use independent power supplies and networks. AZs are physically isolated but interconnected through an internal network.</p>
<h1 class="topictitle1">What Is AZ and How Can I Select and View an AZ?</h1>
<div id="body1437910739079"><div class="section" id="EN-US_TOPIC_0018196906__section2785152220451"><h4 class="sectiontitle">What Is an AZ?</h4><p id="EN-US_TOPIC_0018196906__p51192596194721">An availability zone (AZ) is a physical region where resources use independent power supplies and networks. AZs are physically isolated but interconnected through an internal network.</p>
<p id="EN-US_TOPIC_0018196906__p181881410124614">There are multiple AZs in each region. If one AZ becomes faulty, other AZs in the same region continue to provide services.</p>
<p id="EN-US_TOPIC_0018196906__p25667837194650">AZs in the same region can communicate with each other through an internal network.</p>
</div>
<div class="section" id="EN-US_TOPIC_0018196906__section16856143144518"><h4 class="sectiontitle">Selecting an AZ</h4><p id="EN-US_TOPIC_0018196906__p10868101514411">You can select an AZ when you are purchasing an ECS. After the ECS is created, the AZ cannot be changed. If there is only one AZ displayed in a region, it means the region only provides one AZ.</p>
<div class="section" id="EN-US_TOPIC_0018196906__section16856143144518"><h4 class="sectiontitle">How Do I Select an AZ</h4><p id="EN-US_TOPIC_0018196906__p10868101514411">You can select an AZ when you are purchasing an ECS. After the ECS is created, the AZ cannot be changed. If there is only one AZ displayed in a region, it means the region only provides one AZ.</p>
</div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018196896.html">Regions and AZs</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0018196896.html">Region and AZ FAQ</a></div>
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<h1 class="topictitle1">Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?</h1>
<div id="body1438216771584"><div class="section" id="EN-US_TOPIC_0018339851__section142338358917"><h4 class="sectiontitle">Symptom</h4><p id="EN-US_TOPIC_0018339851__p17625338093">When a local computer running Windows attempts to access a Windows <span id="EN-US_TOPIC_0018339851__text1572112818383">ECS</span> using RDP (for example, MSTSC), an identity authentication failure occurs and the desired function is not supported.</p>
<ul id="EN-US_TOPIC_0018339851__ul147821152174920"><li id="EN-US_TOPIC_0018339851__li17822052124915">If the error message contains only the information that an identity authentication failure occurs and that the desired function is not supported, rectify the fault by following the instructions provided in <a href="#EN-US_TOPIC_0018339851__section9947102411203">Solution</a>.</li><li id="EN-US_TOPIC_0018339851__li107821052184912">If the error message shows that the fault was caused by "CredSSP Encryption Oracle Remediation", as shown in <a href="#EN-US_TOPIC_0018339851__fig18932134871212">Figure 1</a>, the fault may be caused by a security patch released by Microsoft in March 2018. This patch may affect RDP-based CredSSP connections. As a result, setting up RDP-based connections to <span id="EN-US_TOPIC_0018339851__text20735113415385">ECS</span>s failed. Rectify the fault by following the instructions provided in <a href="https://support.microsoft.com/en-us/help/4093492/credssp-updates-for-cve-2018-0886-march-13-2018" target="_blank" rel="noopener noreferrer">official Microsoft document</a>.<div class="fignone" id="EN-US_TOPIC_0018339851__fig18932134871212"><a name="EN-US_TOPIC_0018339851__fig18932134871212"></a><a name="fig18932134871212"></a><span class="figcap"><b>Figure 1 </b>Failed to set up a remote desktop connection</span><br><span><img id="EN-US_TOPIC_0018339851__image12932114801211" src="en-us_image_0117334497.png"></span></div>
<ul id="EN-US_TOPIC_0018339851__ul147821152174920"><li id="EN-US_TOPIC_0018339851__li17822052124915">If the error message contains only the information that an identity authentication failure occurs and that the desired function is not supported, rectify the fault by following the instructions provided in <a href="#EN-US_TOPIC_0018339851__section9947102411203">Solution</a>.</li><li id="EN-US_TOPIC_0018339851__li8738165816316">If the error message shows that the fault was caused by "CredSSP Encryption Oracle Remediation", as shown in <a href="#EN-US_TOPIC_0018339851__fig18932134871212">Figure 1</a>, the fault may be caused by a security patch released by Microsoft in March 2018. This patch may affect RDP-based CredSSP connections. As a result, setting up RDP-based connections to <span id="EN-US_TOPIC_0018339851__text473925853110">ECS</span>s failed. Rectify the fault by following the instructions provided in the official Microsoft document <em id="EN-US_TOPIC_0018339851__i12248151712179">CredSSP updates for CVE-2018-0886</em>.<div class="fignone" id="EN-US_TOPIC_0018339851__fig18932134871212"><a name="EN-US_TOPIC_0018339851__fig18932134871212"></a><a name="fig18932134871212"></a><span class="figcap"><b>Figure 1 </b>Failed to set up a remote desktop connection</span><br><span><img id="EN-US_TOPIC_0018339851__image12932114801211" src="en-us_image_0117334497.png"></span></div>
</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0018339851__section9947102411203"><a name="EN-US_TOPIC_0018339851__section9947102411203"></a><a name="section9947102411203"></a><h4 class="sectiontitle">Solution</h4><p id="EN-US_TOPIC_0018339851__p466323910257">Modify the remote desktop connection settings on the Windows <span id="EN-US_TOPIC_0018339851__text1840119353311">ECS</span>:</p>

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