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ecs umn 20250617 version. Updated the Pi5e specifications

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Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com>
Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>
This commit is contained in:
Huijuan, Wang
2025-07-21 07:31:03 +00:00
committed by zuul
parent 5d711fd34a
commit 22d4149fda
16 changed files with 182 additions and 85 deletions
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6
docs/ecs/umn/ALL_META.TXT.json
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@ -2116,7 +2116,7 @@
"node_id":"en-us_topic_0140323154.xml",
"product_code":"ecs",
"code":"112",
"des":"Note the following when using default security group rules:Inbound rules control incoming traffic to instances in the default security group. The instances can only commu",
"des":"Note the following when using default security group rules:Inbound rules control incoming traffic to instances in the default security group. The instances can communicat",
"doc_type":"usermanual",
"kw":"Default Security Groups and Rules,Security Groups,User Guide",
"search_title":"",
@ -2631,7 +2631,7 @@
"code":"139",
"des":"If you no longer need a tag, delete it in any of the following ways:Deleting a Tag on the ECS Details PageDeleting a Tag on the TMS ConsoleBatch Deleting Tags on the TMS ",
"doc_type":"usermanual",
"kw":"Deleting a Tag,Tag Management,User Guide",
"kw":"Deleting Tags,Tag Management,User Guide",
"search_title":"",
"metedata":[
{
@ -2640,7 +2640,7 @@
"opensource":"false;true"
}
],
"title":"Deleting a Tag",
"title":"Deleting Tags",
"githuburl":""
},
{

4
docs/ecs/umn/CLASS.TXT.json
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@ -999,7 +999,7 @@
"code":"111"
},
{
"desc":"Note the following when using default security group rules:Inbound rules control incoming traffic to instances in the default security group. The instances can only commu",
"desc":"Note the following when using default security group rules:Inbound rules control incoming traffic to instances in the default security group. The instances can communicat",
"product_code":"ecs",
"title":"Default Security Groups and Rules",
"uri":"en-us_topic_0140323154.html",
@ -1244,7 +1244,7 @@
{
"desc":"If you no longer need a tag, delete it in any of the following ways:Deleting a Tag on the ECS Details PageDeleting a Tag on the TMS ConsoleBatch Deleting Tags on the TMS ",
"product_code":"ecs",
"title":"Deleting a Tag",
"title":"Deleting Tags",
"uri":"en-us_topic_0183019671.html",
"doc_type":"usermanual",
"p_code":"135",

24
docs/ecs/umn/en-us_topic_0000001143214829.html
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@ -12,7 +12,7 @@
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1829163315414"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1829163315414"></a><a name="en-us_topic_0178319250_section1829163315414"></a><h4 class="sectiontitle">Preparing for atop Installation</h4><p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p8930143322">An EIP is required and can access YUM.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1827156165117"><h4 class="sectiontitle">Constraints</h4><p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p732172712515">The atop tool used for node resource monitoring consumes a small amount of CPU cores and memory to collect system resources and uses some disk space to record logs. The log path is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1937155114336">/var/log/atop</strong>.</p>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1827156165117"><h4 class="sectiontitle">Constraints</h4><p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p732172712515">The atop tool used for node resource monitoring consumes a small number of CPU cores and memory to collect system resources and uses some disk space to record logs. The log path is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1937155114336">/var/log/atop</strong>.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1972319582310"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1972319582310"></a><a name="en-us_topic_0178319250_section1972319582310"></a><h4 class="sectiontitle">Configuring atop for CentOS 6</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol0138927171713"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li74906120539">Run the following command to install atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p8490121255312"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li74906120539"></a><a name="en-us_topic_0178319250_li74906120539"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b349017123533">yum install -y atop</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li16323143215171">Run the following command to modify the configuration file of atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p14538122418235"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li16323143215171"></a><a name="en-us_topic_0178319250_li16323143215171"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b8965162311382">vi /etc/default/atop</strong></p>
@ -90,7 +90,7 @@ Active: active (running)</pre>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section773995710317"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section773995710317"></a><a name="en-us_topic_0178319250_section773995710317"></a><h4 class="sectiontitle">Configuring atop for Ubuntu 20 and Debian 10</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol117391857933"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li9739165720310">Run the following command to install atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p574010571236"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li9739165720310"></a><a name="en-us_topic_0178319250_li9739165720310"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b17740155712320">apt-get install -y atop</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li20740185712319">Run the following command to modify the configuration file of atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p77404573318"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li20740185712319"></a><a name="en-us_topic_0178319250_li20740185712319"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b974019572312">vi /etc/default/atop</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p19740205715312">Modify the following parameters, save the modification, and exit:</p>
<ul id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ul17740557534"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li074013576314">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b610410341189">LOGINTERVAL</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1211211341088">15</strong>. The default value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1511333413816">LOGINTERVAL</strong> is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b5113173410820">600</strong>, in seconds.</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1974017571312">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b585867468">LOGGENERATIONS</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b435123957">3</strong>. The default retention period of atop logs is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b736160437">28</strong> days.</li></ul>
<ul id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ul17740557534"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li074013576314">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b610410341189">LOGINTERVAL</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1211211341088">15</strong>. The default value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1511333413816">LOGINTERVAL</strong> is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b5113173410820">600</strong>, in seconds.</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1974017571312">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1279848307">LOGGENERATIONS</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b433832422">3</strong>. The default retention period of atop logs is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b57546919">28</strong> days.</li></ul>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen12740557137">LOGINTERVAL=15
LOGGENERATIONS=3 </pre>
</li></ol><ol start="3" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol67406571734"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li074011571334">Restart the atop service (started by default) to apply the configuration:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p139711013172117"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li074011571334"></a><a name="en-us_topic_0178319250_li074011571334"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1132620146214">systemctl restart atop atopacct</strong></p>
@ -109,7 +109,7 @@ Active: active (running)</pre>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section203481850122217"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section203481850122217"></a><a name="en-us_topic_0178319250_section203481850122217"></a><h4 class="sectiontitle">Configuring atop for Ubuntu 22 and Ubuntu 24</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol151101725162313"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li41101525192313">Run the following command to install atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p134071922132315"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li41101525192313"></a><a name="en-us_topic_0178319250_li41101525192313"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b104001331202311">apt-get install -y atop</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1783023819232">Run the following command to modify the configuration file of atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p12407152212313"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1783023819232"></a><a name="en-us_topic_0178319250_li1783023819232"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b18407132218233">vi /etc/default/atop</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p13407152212237">Modify the following parameters, save the modification, and exit:</p>
<ul id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ul1940762211235"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1340732211239">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b44174210212">LOGINTERVAL</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b041716252119">15</strong>. The default value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b154171021212">LOGINTERVAL</strong> is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b941732162110">600</strong>, in seconds.</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li154071522122310">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1314511509">LOGGENERATIONS</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b2025239247">3</strong>. The default retention period of atop logs is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b322538228">28</strong> days.</li></ul>
<ul id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ul1940762211235"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1340732211239">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b44174210212">LOGINTERVAL</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b041716252119">15</strong>. The default value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b154171021212">LOGINTERVAL</strong> is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b941732162110">600</strong>, in seconds.</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li154071522122310">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1360430486">LOGGENERATIONS</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1374988918">3</strong>. The default retention period of atop logs is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1223307949">28</strong> days.</li></ul>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen1197554122411">LOGINTERVAL=15
LOGGENERATIONS=3</pre>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li618110314242">Restart the atop service (started by default) to apply the configuration:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p16255174510248"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li618110314242"></a><a name="en-us_topic_0178319250_li618110314242"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1925504572419">systemctl restart atop atopacct atop-rotate.timer</strong></p>
@ -132,7 +132,7 @@ Loaded: loaded (/usr/lib/systemd/system/atop-rotate.timer; enabled; vendor prese
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section59661927152613"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section59661927152613"></a><a name="en-us_topic_0178319250_section59661927152613"></a><h4 class="sectiontitle">Configuring atop for Debian 11 and Debian 12</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol813055912618"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li41303591262">Run the following command to install atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p20700125412266"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li41303591262"></a><a name="en-us_topic_0178319250_li41303591262"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b76794163273">apt-get install -y atop</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li4396102110277">Run the following command to modify the configuration file of atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p9700654102611"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li4396102110277"></a><a name="en-us_topic_0178319250_li4396102110277"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1870065492611">vi /etc/default/atop</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p10700205417269">Modify the following parameters, save the modification, and exit:</p>
<ul id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ul1070025432610"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li5700185422612">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1941742162119">LOGINTERVAL</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b7417122112112">15</strong>. The default value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b641722142114">LOGINTERVAL</strong> is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1541718292120">600</strong>, in seconds.</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li6700115413267">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b329992879">LOGGENERATIONS</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b570161787">3</strong>. The default retention period of atop logs is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b989375140">28</strong> days.</li></ul>
<ul id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ul1070025432610"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li5700185422612">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1941742162119">LOGINTERVAL</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b7417122112112">15</strong>. The default value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b641722142114">LOGINTERVAL</strong> is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1541718292120">600</strong>, in seconds.</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li6700115413267">Change the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1750536543">LOGGENERATIONS</strong> to, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b705005733">3</strong>. The default retention period of atop logs is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b668341881">28</strong> days.</li></ul>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen1735354816271">LOGINTERVAL=15
LOGGENERATIONS=3 </pre>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li5724203262812">Restart the atop service (started by default) to apply the configuration:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p15732103392817"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li5724203262812"></a><a name="en-us_topic_0178319250_li5724203262812"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b13732113313280">systemctl restart atop atopacct atop-rotate.timer</strong></p>
@ -153,7 +153,7 @@ Loaded: loaded (/usr/lib/systemd/system/atop-rotate.timer; enabled; vendor prese
</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section3205824181917"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section3205824181917"></a><a name="en-us_topic_0178319250_section3205824181917"></a><h4 class="sectiontitle">Configuring atop for SUSE 12 or SUSE 15</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol855994441912"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li8559844111911">Run the following command to download the atop source package:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p14559134461910"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li8559844111911"></a><a name="en-us_topic_0178319250_li8559844111911"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b10559944151915">wget https://www.atoptool.nl/download/atop-2.6.0-1.src.rpm</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li65591644181915">Run the following command to install the package:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p14559144481916"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li65591644181915"></a><a name="en-us_topic_0178319250_li65591644181915"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b145591344181914">rpm -ivh atop-2.6.0-1.src.rpm</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li65591644181915">Run the following command to install the atop source package:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p14559144481916"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li65591644181915"></a><a name="en-us_topic_0178319250_li65591644181915"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b145591344181914">rpm -ivh atop-2.6.0-1.src.rpm</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li2559104471918">Run the following command to install atop dependencies.<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p65595443198"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li2559104471918"></a><a name="en-us_topic_0178319250_li2559104471918"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b65601044141911">zypper -n install rpm-build ncurses-devel zlib-devel</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li7560154461914">Run the following commands to compile atop:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p2560154411197"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li7560154461914"></a><a name="en-us_topic_0178319250_li7560154461914"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1256034415196">cd /usr/src/packages/SPECS</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p105603449196"><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b18560134441920">rpmbuild -bb atop-2.6.0.spec</strong></p>
@ -182,7 +182,7 @@ Loaded: loaded (/usr/lib/systemd/system/atop-rotate.timer; enabled; vendor prese
</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section012793312620"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section012793312620"></a><a name="en-us_topic_0178319250_section012793312620"></a><h4 class="sectiontitle">Installing atop by Compiling the Source Code (for CentOS Stream 8/9, openEuler, or EulerOS)</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol887019301481"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1487013301782">Download the atop source package.<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p188701430386"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1487013301782"></a><a name="en-us_topic_0178319250_li1487013301782"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b168702309811">wget https://www.atoptool.nl/download/atop-2.6.0.tar.gz</strong></p>
</li></ol><ol start="2" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol4870153019818"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li148701530783">Decompress the source package.<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p78701301586"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li148701530783"></a><a name="en-us_topic_0178319250_li148701530783"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b17870430883">tar -zxvf atop-2.6.0.tar.gz</strong></p>
</li></ol><ol start="2" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol4870153019818"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li148701530783">Decompress the atop source package.<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p78701301586"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li148701530783"></a><a name="en-us_topic_0178319250_li148701530783"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b17870430883">tar -zxvf atop-2.6.0.tar.gz</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li128702306817">Query the systemctl version.<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p154219211892"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li128702306817"></a><a name="en-us_topic_0178319250_li128702306817"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b118701830489">systemctl --version</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p19942201519338">If the version is 220 or later, go to the next step.</p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p171029352910">Otherwise, delete parameter <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1345210012717">--now</strong> from the Makefile of atop.</p>
@ -237,7 +237,7 @@ Loaded: loaded (/usr/lib/systemd/system/atop-rotate.timer; enabled; vendor prese
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1410131164120"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1410131164120"></a><a name="en-us_topic_0178319250_section1410131164120"></a><h4 class="sectiontitle">Precautions for Configuring kdump</h4><p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p960892524112">The method for configuring kdump described in this section applies to KVM ECSs running EulerOS or CentOS 7.<em id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_i14961440141910">x</em>. For details, see <a href="https://www.kernel.org/doc/Documentation/kdump/kdump.txt" target="_blank" rel="noopener noreferrer">Documentation for kdump</a>.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section18450171174120"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section18450171174120"></a><a name="en-us_topic_0178319250_section18450171174120"></a><h4 class="sectiontitle">Introduction to kdump</h4><p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p1869723562">kdump is a feature of the Linux kernel that creates crash dumps in the event of a kernel crash. In the event of a kernel crash, kdump boots another Linux kernel and uses it to export an image of RAM, which is known as vmcore and can be used to debug and determine the cause of the crash.</p>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section18450171174120"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section18450171174120"></a><a name="en-us_topic_0178319250_section18450171174120"></a><h4 class="sectiontitle">Introduction to kdump</h4><p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p1869723562"> Kdump is a tool used to dump runtime memory when the system crashes. Once the system crashes, the kernel can no longer function properly. At this point, Kdump boots another kernel to capture and save a memory dump. This kernel collects all runtime states and data and stores them in a dump core file for troubleshooting and debugging.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section134381494320"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section134381494320"></a><a name="en-us_topic_0178319250_section134381494320"></a><h4 class="sectiontitle">Configuring kdump</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol16406112792518"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li4406127172512">Run the following command to check whether kexec-tools is installed:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p414315774818"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li4406127172512"></a><a name="en-us_topic_0178319250_li4406127172512"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b117560516265">rpm -q kexec-tools</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p1991593311115">If it is not installed, run the following command to install it:</p>
@ -245,8 +245,8 @@ Loaded: loaded (/usr/lib/systemd/system/atop-rotate.timer; enabled; vendor prese
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1117579174410">Run the following command to enable kdump to run at system startup:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p64822016114819"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li1117579174410"></a><a name="en-us_topic_0178319250_li1117579174410"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b14387811192716">systemctl enable kdump</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li2017519914412">Configure the <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b014419487147">crashkernel</strong> parameter to reserve the memory for the capture kernel.<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p22547422481">Run the following command to check whether the parameter has been configured:</p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p15150184111481"><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b6885141512273">grep crashkernel /proc/cmdline</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p869644221117">If the command output is displayed, this parameter has been configured.</p>
<div class="p" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p167151856154815">Edit the <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b19531959142715">/etc/default/grub</strong> file to configure the following parameters:<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen851964404110">GRUB_TIMEOUT=5
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p869644221117">If the command output is displayed, this parameter has been configured. If no command output is displayed, you need to configure <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b164301339131114">crashkernel</strong>.</p>
<div class="p" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p167151856154815">Edit the <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b19531959142715">/etc/default/grub</strong> file to configure <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b134251229181219">crashkernel</strong> as follows:<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen851964404110">GRUB_TIMEOUT=5
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
@ -277,9 +277,9 @@ free pages = 16</pre>
</div>
<div class="section" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1296112934412"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_section1296112934412"></a><a name="en-us_topic_0178319250_section1296112934412"></a><h4 class="sectiontitle">Checking Whether kdump Configurations Have Taken Effect</h4><ol id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_ol7179621115215"><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li8167125611819">Run the following command and check whether <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1175013718239">crashkernel=auto</strong> is displayed:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p516611567185"><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b137661386202">cat /proc/cmdline |grep crashkernel</strong></p>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen14166125619182">BOOT_IMAGE=/boot/vmlinuz-3.10.0-514.44.5.10.h142.x86_64 root=UUID=6407d6ac-c761-43cc-a9dd-1383de3fc995 ro crash_kexec_post_notifiers softlockup_panic=1 panic=3 reserve_kbox_mem=16M nmi_watchdog=1 rd.shell=0 fsck.mode=auto fsck.repair=yes net.ifnames=0 spectre_v2=off nopti noibrs noibpb <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b196851156131915">crashkernel=auto</strong> LANG=en_US.UTF-8</pre>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li13493637124416">Run the following command and check whether the configuration in the output is correct:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p12167115691816"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li13493637124416"></a><a name="en-us_topic_0178319250_li13493637124416"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1216765616184">grep core_collector /etc/kdump.conf |grep -v ^"#"</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li13493637124416">Run the following command and check whether the information in the output is correct:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p12167115691816"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li13493637124416"></a><a name="en-us_topic_0178319250_li13493637124416"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1216765616184">grep core_collector /etc/kdump.conf |grep -v ^"#"</strong></p>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen816775621816">core_collector makedumpfile -l --message-level 1 -d 31</pre>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li593014112441">Run the following command and check whether the path configuration in the output is correct:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p1167135681813"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li593014112441"></a><a name="en-us_topic_0178319250_li593014112441"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b61674563187">grep path /etc/kdump.conf |grep -v ^"#"</strong></p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li593014112441">Run the following command and check whether the information in the output is correct:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p1167135681813"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li593014112441"></a><a name="en-us_topic_0178319250_li593014112441"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b61674563187">grep path /etc/kdump.conf |grep -v ^"#"</strong></p>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen121671056121811">path /var/crash</pre>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li087484344420">Run the following command and check whether the value of <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b892812744715">Active</strong> in the output is <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b16124101918476">active (exited)</strong>:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p41671356181814"><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1116775661814">systemctl status kdump</strong></p>
<pre class="screen" id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_screen6167115620189">● kdump.service - Crash recovery kernel arming
@ -289,7 +289,7 @@ Process: 495 ExecStart=/usr/bin/kdumpctl start (code=exited, status=0/SUCCESS)
Main PID: 495 (code=exited, status=0/SUCCESS)
CGroup: /system.slice/system-hostos.slice/kdump.service</pre>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li24721549205215">Run the following test command:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p840962702511"><a name="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li24721549205215"></a><a name="en-us_topic_0178319250_li24721549205215"></a><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b19488101713396">echo c &gt; /proc/sysrq-trigger</strong></p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p2409132772511">After the command is executed, kdump will be triggered, the system will be restarted, and the generated vmcore file will be saved to the path specified by <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b17837132011262">path</strong>.</p>
<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p2409132772511">This command will trigger kdump. When triggered, kdump will boot another kernel and store the generated <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b66401333122914">vmcore</strong> file to the location specified by <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b17837132011262">path</strong>.</p>
</li><li id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_li129451656155213">Run the following command to check whether the <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b7994112612568">vmcore</strong> file has been generated in the specified path, for example, <strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b1853513414255">/var/crash/</strong>:<p id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_p194098270251"><strong id="EN-US_TOPIC_0000001143214829__en-us_topic_0178319250_b65418915381">ll /var/crash/</strong></p>
</li></ol>
</div>

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@ -26,7 +26,7 @@
<p id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_p563944619132"><span><img id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_image17171161261212" src="en-us_image_0191603936.png" title="Click to enlarge" class="imgResize"></span></p>
</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_section1051610871416"><h4 class="sectiontitle">Value of <strong id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_b1915073685011">fs.inotify.max_user_watches</strong> Reached</h4><p id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_p836198163512">If inotify watches are used up, "No space left on device" will be displayed.</p>
<div class="section" id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_section1051610871416"><h4 class="sectiontitle">Value of <strong id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_b1915073685011">fs.inotify.max_user_watches</strong> Reached</h4><p id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_p836198163512">If there is insufficient space for Linux <span id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_text1593219227166">ECS</span>s, "No space left on device" will be displayed.</p>
<p id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_p1857712134357"><span><img id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_image972641783516" src="en-us_image_0191603937.png" title="Click to enlarge" class="imgResize"></span></p>
<p id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_p6106173173518">Solution</p>
<ol id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_ol133881360161"><li id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_li1238883616165">Run the following command to edit the <strong id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_b319617281218">/etc/sysctl.conf</strong> file:<p id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_p1249063781618"><strong id="EN-US_TOPIC_0000001547370984__en-us_topic_0191603904_en-us_topic_0190687743_b670015761511">vi /etc/sysctl.conf</strong></p>

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@ -26,7 +26,7 @@
</li><li id="EN-US_TOPIC_0013771092__li97867460305">Linux <span id="EN-US_TOPIC_0013771092__text1771595114116">ECS</span><p id="EN-US_TOPIC_0013771092__p273517316">For details, see <a href="en-us_topic_0214940106.html">Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?</a></p>
</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>
<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 if the specifications fail to be modified:</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>

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<div class="section" id="EN-US_TOPIC_0035470096__section741930611313"><h4 class="sectiontitle">ECS Flavor Naming Rules</h4><p id="EN-US_TOPIC_0035470096__p2484458611326">ECS flavors are named in the "AB.C.D" format.</p>
<p id="EN-US_TOPIC_0035470096__p1331396311337">Example: s2.medium.4</p>
<p id="EN-US_TOPIC_0035470096__p1985920011446">The format is defined as follows:</p>
<ul id="EN-US_TOPIC_0035470096__ul5780315811459"><li id="EN-US_TOPIC_0035470096__li5046637411459"><strong id="EN-US_TOPIC_0035470096__b1468984664418">A</strong> specifies the ECS type. For example, <strong id="EN-US_TOPIC_0035470096__b106951046104414">s</strong> indicates a general-purpose ECS, <strong id="EN-US_TOPIC_0035470096__b5696204644416">c</strong> a general computing-plus ECS, and <strong id="EN-US_TOPIC_0035470096__b8696134612442">m</strong> a memory-optimized ECS.</li><li id="EN-US_TOPIC_0035470096__li5154418311459"><strong id="EN-US_TOPIC_0035470096__b5569188194819">B</strong> specifies the type ID. For example, <strong id="EN-US_TOPIC_0035470096__b254064274614">3</strong> in <strong id="EN-US_TOPIC_0035470096__b454164210465">s3</strong> indicates the third-generation general-purpose ECS.</li><li id="EN-US_TOPIC_0035470096__li6124446611459"><strong id="EN-US_TOPIC_0035470096__b1780433431194419">C</strong> specifies the flavor size, such as medium, large, xlarge, 2xlarge, 4xlarge, or 8xlarge.</li><li id="EN-US_TOPIC_0035470096__li3693402711546"><strong id="EN-US_TOPIC_0035470096__b84235270611859">D</strong> specifies the ratio of memory to vCPUs expressed in a digit. For example, value <strong id="EN-US_TOPIC_0035470096__b842352706111144">4</strong> indicates that the ratio of memory to vCPUs is 4.</li></ul>
<ul id="EN-US_TOPIC_0035470096__ul5780315811459"><li id="EN-US_TOPIC_0035470096__li5046637411459"><strong id="EN-US_TOPIC_0035470096__b1468984664418">A</strong> specifies the ECS type. For example, <strong id="EN-US_TOPIC_0035470096__b106951046104414">s</strong> indicates a general-computing ECS, <strong id="EN-US_TOPIC_0035470096__b5696204644416">c</strong> a general computing-plus ECS, and <strong id="EN-US_TOPIC_0035470096__b8696134612442">m</strong> a memory-optimized ECS.</li><li id="EN-US_TOPIC_0035470096__li5154418311459"><strong id="EN-US_TOPIC_0035470096__b5569188194819">B</strong> specifies the type ID. For example, <strong id="EN-US_TOPIC_0035470096__b254064274614">3</strong> in <strong id="EN-US_TOPIC_0035470096__b454164210465">s3</strong> indicates the third-generation general-purpose ECS.</li><li id="EN-US_TOPIC_0035470096__li6124446611459"><strong id="EN-US_TOPIC_0035470096__b1780433431194419">C</strong> specifies the flavor size, such as medium, large, xlarge, 2xlarge, 4xlarge, or 8xlarge.</li><li id="EN-US_TOPIC_0035470096__li3693402711546"><strong id="EN-US_TOPIC_0035470096__b84235270611859">D</strong> specifies the ratio of memory to vCPUs expressed in a digit. For example, value <strong id="EN-US_TOPIC_0035470096__b842352706111144">4</strong> indicates that the ratio of memory to vCPUs is 4.</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0035470096__section3154475711225"><h4 class="sectiontitle">How Do I Know My <span id="EN-US_TOPIC_0035470096__text18719125685814">ECS</span> Flavor?</h4><p id="EN-US_TOPIC_0035470096__en-us_topic_0030888081_en-us_topic_0029599331_p43304173161639">When creating an ECS, you can view the flavors in the flavor list.</p>
<div class="fignone" id="EN-US_TOPIC_0035470096__fig64292023143619"><span class="figcap"><b>Figure 1 </b>ECS flavors</span><br><span><img id="EN-US_TOPIC_0035470096__image2131101111256" src="en-us_image_0172453607.png" title="Click to enlarge" class="imgResize"></span></div>

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<a name="EN-US_TOPIC_0035550301"></a><a name="EN-US_TOPIC_0035550301"></a>
<h1 class="topictitle1">Memory-optimized ECSs</h1>
<div id="body1471253099740"><div class="section" id="EN-US_TOPIC_0035550301__section25374905172644"><h4 class="sectiontitle">Overview</h4><ul id="EN-US_TOPIC_0035550301__ul1315174813178"><li id="EN-US_TOPIC_0035550301__li481315129107">M7n ECSs use the third-generation Intel&reg; Xeon&reg; Scalable processors to provide enhanced computing, security, and stability. Each M7n ECS can have a maximum number of 96 vCPUs and a memory speed of 3,200 MHz, and provide a secure and trusted cloud environment for memory-intensive computing applications.</li><li id="EN-US_TOPIC_0035550301__li1297251416311">M4 ECSs use the second-generation Intel&reg; Xeon&reg; Scalable processors with technologies optimized to offer powerful and stable computing performance. Using 25GE high-speed intelligent NICs, M4 ECSs provide a maximum memory size of 512 GiB based on DDR4 for memory-intensive applications with high requirements on network bandwidth and Packets Per Second (PPS).</li><li id="EN-US_TOPIC_0035550301__li12151948171720">M3 ECSs are developed based on the KVM virtualization platform and designed for processing large-scale data sets in the memory. They use Intel&reg; Xeon&reg; Scalable processors, network acceleration engines, and DPDK rapid packet processing mechanism to provide higher network performance and up to 512 GiB of DDR4 memory for memory-intensive computing applications.</li></ul>
<div id="body1471253099740"><div class="section" id="EN-US_TOPIC_0035550301__section25374905172644"><h4 class="sectiontitle">Overview</h4><ul id="EN-US_TOPIC_0035550301__ul1315174813178"><li id="EN-US_TOPIC_0035550301__li481315129107">M7n ECSs use the third-generation Intel&reg; Xeon&reg; Scalable processors to provide enhanced computing, security, and stability. Each M7n ECS can have a maximum number of 96 vCPUs and a memory speed of 3,200 MHz, and provide a secure and trusted cloud environment for memory-intensive computing applications.</li><li id="EN-US_TOPIC_0035550301__li1297251416311">M4 ECSs use the second-generation Intel&reg; Xeon&reg; Scalable processors with technologies optimized to offer powerful and stable computing performance. Using 25GE high-speed intelligent NICs, M4 ECSs provide a maximum memory size of 512 GiB based on DDR4 for memory-intensive applications with high requirements on network bandwidth and PPS.</li><li id="EN-US_TOPIC_0035550301__li12151948171720">M3 ECSs are developed based on the KVM virtualization platform and designed for processing large-scale data sets in the memory. They use Intel&reg; Xeon&reg; Scalable processors, network acceleration engines, and DPDK rapid packet processing mechanism to provide higher network performance and up to 512 GiB of DDR4 memory for memory-intensive computing applications.</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0035550301__section83746578616"><h4 class="sectiontitle">Specifications</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0035550301__table46277202105" frame="border" border="1" rules="all"><caption><b>Table 1 </b>M7n ECS specifications</caption><thead align="left"><tr id="EN-US_TOPIC_0035550301__row6628102014105"><th align="left" class="cellrowborder" valign="top" width="12.947410517896419%" id="mcps1.3.2.2.2.10.1.1"><p id="EN-US_TOPIC_0035550301__p1162819208100">Flavor</p>

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</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0041169567__row121491727152310"><td class="cellrowborder" valign="top" width="18.970000000000002%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0041169567__p1614992713233">2025-05-14</p>
<tbody><tr id="EN-US_TOPIC_0041169567__row025071711492"><td class="cellrowborder" valign="top" width="18.970000000000002%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0041169567__p12250417174915">2025-06-16</p>
</td>
<td class="cellrowborder" valign="top" width="81.03%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0041169567__p72501617114914">Modified the following content:</p>
<p id="EN-US_TOPIC_0041169567__p4594326124918">Added pi5e.2xlarge.4 and pi5e.12xlarge.4 to <a href="en-us_topic_0097289624.html">GPU-accelerated ECSs</a>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0041169567__row121491727152310"><td class="cellrowborder" valign="top" width="18.970000000000002%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0041169567__p1614992713233">2025-05-14</p>
</td>
<td class="cellrowborder" valign="top" width="81.03%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0041169567__p71491427202316">Modified the following content:</p>
<ul id="EN-US_TOPIC_0041169567__ul9553191711113"><li id="EN-US_TOPIC_0041169567__li755381761118">Added X1 ECSs in <a href="en-us_topic_0035470101.html">General-Purpose ECSs</a>.</li><li id="EN-US_TOPIC_0041169567__li4758719144">Added X1e ECSs in <a href="en-us_topic_0091224748.html">Dedicated General-Purpose ECSs</a>.</li></ul>

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<div id="body1484123452399"><div class="section" id="EN-US_TOPIC_0046566932__section23816398221412"><h4 class="sectiontitle">Using License from the System</h4><p id="EN-US_TOPIC_0046566932__p20640160221415">You can use OS licenses provided by the cloud platform. After creating an <span id="EN-US_TOPIC_0046566932__text02051645183516">ECS</span> with a license authorized, you can use the authorized OS. The platform manages license compliance for you.</p>
</div>
<div class="section" id="EN-US_TOPIC_0046566932__section19960063221428"><h4 class="sectiontitle">BYOL</h4><p id="EN-US_TOPIC_0046566932__p757887022162"><strong id="EN-US_TOPIC_0046566932__b842352706202245">What Is BYOL?</strong></p>
<p id="EN-US_TOPIC_0046566932__p50854401102852">Bring your own license (BYOL) allows you to use your existing OS license. In such a case, you do not need to apply for a license again. In BYOL license type, you do not need to pay for the license fee when creating an ECS.</p>
<p id="EN-US_TOPIC_0046566932__p50854401102852">Bring your own license (BYOL) allows you to use your existing OS license. In such a case, you do not need to apply for a license again. If you use BYOL when purchasing an <span id="EN-US_TOPIC_0046566932__text4621412113614">ECS</span>, you do not need to pay for the license.</p>
<p id="EN-US_TOPIC_0046566932__p30626799221641"></p>
<p id="EN-US_TOPIC_0046566932__p55172571221648"><strong id="EN-US_TOPIC_0046566932__b842352706202641">How to Use BYOL?</strong></p>
<p id="EN-US_TOPIC_0046566932__p50630099221825">If you select the BYOL license type, you are required to manage licenses by yourself. The cloud platform provides functions for you to maintain license compliance during the license lifecycle. For example, when deploying <span id="EN-US_TOPIC_0046566932__text117313341574">ECS</span>s on DeHs, you need to manage licenses by yourself. If you have obtained an OS license, you do not need to apply for a license.</p>

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<a name="EN-US_TOPIC_0140323154"></a><a name="EN-US_TOPIC_0140323154"></a>
<h1 class="topictitle1">Default Security Groups and Rules</h1>
<div id="body8662426"><div class="p" id="EN-US_TOPIC_0140323154__p9223113110710">Note the following when using default security group rules:<ul id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_ul13643173351019"><li id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_li164313371013">Inbound rules control incoming traffic to instances in the default security group. The instances can only communicate with each other but cannot be accessed from external networks.</li><li id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_li176437339108">Outbound rules allow all traffic from the instances in the default security group to external networks.</li></ul>
<div id="body8662426"><div class="p" id="EN-US_TOPIC_0140323154__p9223113110710">Note the following when using default security group rules:<ul id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_ul13643173351019"><li id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_li164313371013"><strong id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_b42242031134713">Inbound rules</strong> control incoming traffic to instances in the default security group. The instances can communicate with each other but cannot be accessed from external networks.</li><li id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_li176437339108"><strong id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_b45820924820">Outbound rules</strong> allow all traffic from the instances in the default security group to external networks.</li></ul>
</div>
<p id="EN-US_TOPIC_0140323154__p1480513558383"><a href="#EN-US_TOPIC_0140323154__fig11890174421819">Figure 1</a> shows the default security group.</p>
<div class="fignone" id="EN-US_TOPIC_0140323154__fig11890174421819"><a name="EN-US_TOPIC_0140323154__fig11890174421819"></a><a name="fig11890174421819"></a><span class="figcap"><b>Figure 1 </b>Default security group</span><br><span><img class="imgResize" id="EN-US_TOPIC_0140323154__en-us_topic_0118534003_image22171236172514" src="en-us_image_0000001230120807.png" title="Click to enlarge"></span></div>

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</li><li id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li112841913062">Bring your own license (BYOL)<p id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_p192841513465"><a name="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li112841913062"></a><a name="en-us_topic_0144542112_li112841913062"></a>You can use your existing OS license. In such a case, you do not need to apply for a license again.</p>
</li></ul>
<p id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_p1528413133612">For more information about license types, see <a href="en-us_topic_0046566932.html">License Types</a>.</p>
</li><li id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li7150175219720">Set <strong id="EN-US_TOPIC_0163572589__b1792333765017">System Disk</strong> and <strong id="EN-US_TOPIC_0163572589__b31996776918424">Data Disk</strong> if required.<ul id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_ul828615139617"><li id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li728517131613">System disk<p id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_p77854313919"><a name="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li728517131613"></a><a name="en-us_topic_0144542112_li728517131613"></a>For details about the disk types supported by ECSs, see <a href="en-us_topic_0030828256.html">EVS Disks</a>.</p>
</li><li id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li7150175219720">Set <strong id="EN-US_TOPIC_0163572589__b1792333765017">System Disk</strong> and <strong id="EN-US_TOPIC_0163572589__b31996776918424">Data Disk</strong> if required.<ul id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_ul828615139617"><li id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li728517131613">System disk<p id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_p77854313919"><a name="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li728517131613"></a><a name="en-us_topic_0144542112_li728517131613"></a>For details about the disk types supported by ECS, see <a href="en-us_topic_0030828256.html">EVS Disks</a>.</p>
<ul id="EN-US_TOPIC_0163572589__ul15980132313530"><li id="EN-US_TOPIC_0163572589__li149571913534">If the image based on which an ECS is created is not encrypted, the system disk of the ECS is not encrypted. If the image based on which an ECS is created is encrypted, the system disk of the ECS is automatically encrypted. For details, see <a href="#EN-US_TOPIC_0163572589__en-us_topic_0144542112_li3286101316615">(Optional) Encryption-related parameters</a>.</li><li id="EN-US_TOPIC_0163572589__li8531832155310"><strong id="EN-US_TOPIC_0163572589__b1033141093712">Encryption</strong>: indicates that the system disk is encrypted if you select this option. For details, see <a href="#EN-US_TOPIC_0163572589__en-us_topic_0144542112_li3286101316615">(Optional) Encryption-related parameters</a>.</li></ul>
</li><li id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li142861413564">Data disk<p id="EN-US_TOPIC_0163572589__en-us_topic_0144542112_p162856136615"><a name="EN-US_TOPIC_0163572589__en-us_topic_0144542112_li142861413564"></a><a name="en-us_topic_0144542112_li142861413564"></a>You can create multiple data disks for an <span id="EN-US_TOPIC_0163572589__text98081091181">ECS</span> and enable required functions for each data disk. During the creation process, you can add a maximum of 23 data disks for each <span id="EN-US_TOPIC_0163572589__text157602231818">ECS</span> and customize the disk size as needed. </p>
<p id="EN-US_TOPIC_0163572589__p13549173210213">Click <strong id="EN-US_TOPIC_0163572589__b20775816102617">Show</strong> <span><img id="EN-US_TOPIC_0163572589__image9776181642611" src="en-us_image_0000001208978003.png"></span> and set the following functions if required:</p>

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</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_row4289189175113"><td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.1 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p92897919514">pi5e.4xlarge.4</p>
<tbody><tr id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_row14751124712020"><td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.1 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p18914185419201">pi5e.2xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="6.31873625274945%" headers="mcps1.3.7.9.2.12.1.2 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p8751184718200">8</p>
</td>
<td class="cellrowborder" valign="top" width="7.368526294741053%" headers="mcps1.3.7.9.2.12.1.3 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p107511847132010">32</p>
</td>
<td class="cellrowborder" valign="top" width="11.57768446310738%" headers="mcps1.3.7.9.2.12.1.4 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p575114473201">15/3</p>
</td>
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.5 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1775113475209">150</p>
</td>
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.6 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1975184717209">4</p>
</td>
<td class="cellrowborder" valign="top" width="11.57768446310738%" headers="mcps1.3.7.9.2.12.1.7 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p16751647102013">4</p>
</td>
<td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.8 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1975154722017">1 × L4</p>
</td>
<td class="cellrowborder" valign="top" width="7.368526294741053%" headers="mcps1.3.7.9.2.12.1.9 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p7751144716200">24</p>
</td>
<td class="cellrowborder" valign="top" width="7.368526294741053%" headers="mcps1.3.7.9.2.12.1.10 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p11751104712201">-</p>
</td>
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.11 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p7751114762016">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_row4289189175113"><td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.1 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p92897919514">pi5e.4xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="6.31873625274945%" headers="mcps1.3.7.9.2.12.1.2 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p12894965113">16</p>
</td>
@ -4652,6 +4675,29 @@
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.11 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p17289119205113">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_row6241830132120"><td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.1 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p2157204032119">pi5e.12xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="6.31873625274945%" headers="mcps1.3.7.9.2.12.1.2 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p19241330142112">48</p>
</td>
<td class="cellrowborder" valign="top" width="7.368526294741053%" headers="mcps1.3.7.9.2.12.1.3 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p192420309217">192</p>
</td>
<td class="cellrowborder" valign="top" width="11.57768446310738%" headers="mcps1.3.7.9.2.12.1.4 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p2024330142115">35/18</p>
</td>
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.5 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1124230102111">750</p>
</td>
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.6 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1241530112117">16</p>
</td>
<td class="cellrowborder" valign="top" width="11.57768446310738%" headers="mcps1.3.7.9.2.12.1.7 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1241730132115">8</p>
</td>
<td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.8 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p1424133017211">4 × L4</p>
</td>
<td class="cellrowborder" valign="top" width="7.368526294741053%" headers="mcps1.3.7.9.2.12.1.9 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p624630122112">96</p>
</td>
<td class="cellrowborder" valign="top" width="7.368526294741053%" headers="mcps1.3.7.9.2.12.1.10 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p162412304210">-</p>
</td>
<td class="cellrowborder" valign="top" width="10.527894421115777%" headers="mcps1.3.7.9.2.12.1.11 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p224183018214">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_row32891497517"><td class="cellrowborder" valign="top" width="8.418316336732653%" headers="mcps1.3.7.9.2.12.1.1 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p52891799518">pi5e.16xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="6.31873625274945%" headers="mcps1.3.7.9.2.12.1.2 "><p id="EN-US_TOPIC_0177512565__en-us_topic_0097289624_p12289693513">64</p>

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</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0183019670.html">Searching for Resources by Tag</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0183019671.html">Deleting a Tag</a></strong><br>
<li class="ulchildlink"><strong><a href="en-us_topic_0183019671.html">Deleting Tags</a></strong><br>
</li>
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<a name="EN-US_TOPIC_0183019671"></a><a name="EN-US_TOPIC_0183019671"></a>
<h1 class="topictitle1">Deleting a Tag</h1>
<h1 class="topictitle1">Deleting Tags</h1>
<div id="body1564628771726"><p id="EN-US_TOPIC_0183019671__p1351112517485">If you no longer need a tag, delete it in any of the following ways:</p>
<ul id="EN-US_TOPIC_0183019671__ul11161514104717"><li id="EN-US_TOPIC_0183019671__li1016191414471"><a href="#EN-US_TOPIC_0183019671__section8763326153815">Deleting a Tag on the ECS Details Page</a></li><li id="EN-US_TOPIC_0183019671__li6850102313471"><a href="#EN-US_TOPIC_0183019671__section167319315388">Deleting a Tag on the TMS Console</a></li><li id="EN-US_TOPIC_0183019671__li101915551908"><a href="#EN-US_TOPIC_0183019671__section13142241209">Batch Deleting Tags on the TMS Console</a></li></ul>
<div class="section" id="EN-US_TOPIC_0183019671__section8763326153815"><a name="EN-US_TOPIC_0183019671__section8763326153815"></a><a name="section8763326153815"></a><h4 class="sectiontitle">Deleting a Tag on the ECS Details Page</h4><ol id="EN-US_TOPIC_0183019671__ol68081714132517"><li id="EN-US_TOPIC_0183019671__li3490190117228">Log in to the management console.</li><li id="EN-US_TOPIC_0183019671__li464234814566">Click <span><img id="EN-US_TOPIC_0183019671__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_0183019671__li180841482514">Under <strong id="EN-US_TOPIC_0183019671__b63745575420"><span id="EN-US_TOPIC_0183019671__text43795513546">Computing</span></strong>, choose <strong id="EN-US_TOPIC_0183019671__b33725515414">Elastic Cloud Server</strong>.</li><li id="EN-US_TOPIC_0183019671__li280815149256">In the ECS list, click the name of the target ECS.<p id="EN-US_TOPIC_0183019671__p8808414182517"><a name="EN-US_TOPIC_0183019671__li280815149256"></a><a name="li280815149256"></a>The ECS details page is displayed.</p>
<div class="section" id="EN-US_TOPIC_0183019671__section8763326153815"><a name="EN-US_TOPIC_0183019671__section8763326153815"></a><a name="section8763326153815"></a><h4 class="sectiontitle">Deleting a Tag on the ECS Details Page</h4><ol id="EN-US_TOPIC_0183019671__ol68081714132517"><li id="EN-US_TOPIC_0183019671__li3490190117228">Log in to the management console.</li><li id="EN-US_TOPIC_0183019671__li464234814566">Click <span><img id="EN-US_TOPIC_0183019671__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_0183019671__li180841482514">Choose <span id="EN-US_TOPIC_0183019671__text1066343733419">Computing</span> &gt; Elastic Cloud Server. The <strong id="EN-US_TOPIC_0183019671__b46541735122712">Elastic Cloud Server</strong> page is displayed.</li><li id="EN-US_TOPIC_0183019671__li280815149256">In the ECS list, click the name of the target ECS.<p id="EN-US_TOPIC_0183019671__p8808414182517"><a name="EN-US_TOPIC_0183019671__li280815149256"></a><a name="li280815149256"></a>The ECS details page is displayed.</p>
</li><li id="EN-US_TOPIC_0183019671__li18268321121611">Click the <strong id="EN-US_TOPIC_0183019671__b1452475262516">Tags</strong> tab, locate the tag to be deleted, and click <strong id="EN-US_TOPIC_0183019671__b8524135217256">Delete</strong> in the <strong id="EN-US_TOPIC_0183019671__b25251352182519">Operation</strong> column.</li><li id="EN-US_TOPIC_0183019671__li168083141251">Click <span class="uicontrol" id="EN-US_TOPIC_0183019671__uicontrol113701038202617"><b>OK</b></span>.</li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0183019671__section167319315388"><a name="EN-US_TOPIC_0183019671__section167319315388"></a><a name="section167319315388"></a><h4 class="sectiontitle">Deleting a Tag on the TMS Console</h4><ol id="EN-US_TOPIC_0183019671__ol1226243319259"><li id="EN-US_TOPIC_0183019671__li57551936125617">Log in to the management console.</li><li id="EN-US_TOPIC_0183019671__li4263333112518">Under <strong id="EN-US_TOPIC_0183019671__b106551757115414"><span id="EN-US_TOPIC_0183019671__text136551957175415">Management &amp; Deployment</span></strong>, click <strong id="EN-US_TOPIC_0183019671__b18655257185413">Tag Management Service</strong>.</li><li id="EN-US_TOPIC_0183019671__li1263183319256">On the <strong id="EN-US_TOPIC_0183019671__b1521412295579">Resource Tags</strong> page, set the search criteria for ECSs and click <strong id="EN-US_TOPIC_0183019671__b2215229185716">Search</strong>.</li><li id="EN-US_TOPIC_0183019671__li17892355531">In the <strong id="EN-US_TOPIC_0183019671__b18710412124918">Search Result</strong> area, click <strong id="EN-US_TOPIC_0183019671__b671031219493">Edit</strong> to make the resource tag list editable.<p id="EN-US_TOPIC_0183019671__p776315411571">If the key of a tag you want to delete is not contained in the list, click <span><img id="EN-US_TOPIC_0183019671__image7184144916472" src="en-us_image_0210875481.png"></span> and select the tag key from the drop-down list. It is a good practice to select at most 10 keys to display.</p>