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doc-exports/docs/ecs/umn/en-us_topic_0094118976.html
wanghuijuan738 8f01f116a5 ECS UMN 20260514 version. Added X1m instance specifications. 
Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com>
Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>
2026-05-18 09:03:42 +00:00

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<a name="EN-US_TOPIC_0094118976"></a><a name="EN-US_TOPIC_0094118976"></a>
<h1 class="topictitle1">Ultra-high I/O ECSs</h1>
<div id="body1516679385903"><div class="section" id="EN-US_TOPIC_0094118976__section58321715195020"><h4 class="sectiontitle">Overview</h4><p id="EN-US_TOPIC_0094118976__p1469618185016">Ultra-high I/O ECSs use high-performance local NVMe SSDs to provide high storage input/output operations per second (IOPS) and low read/write latency. You can create such ECSs on the management console.</p>
</div>
<div class="section" id="EN-US_TOPIC_0094118976__section1764154423811"><h4 class="sectiontitle">Scenarios</h4><ul id="EN-US_TOPIC_0094118976__ul14184125003913"><li id="EN-US_TOPIC_0094118976__li16184950163912">High-performance relational databases</li><li id="EN-US_TOPIC_0094118976__li1918416509393">NoSQL databases (such as Cassandra and MongoDB) and ElasticSearch</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0094118976__section1193111965016"><h4 class="sectiontitle">Specifications</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table106651859232" frame="border" border="1" rules="all"><caption><b>Table 1 </b>I3m ECS specifications</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__row14666959334"><th align="left" class="cellrowborder" valign="top" width="9%" id="mcps1.3.3.2.2.10.1.1"><p id="EN-US_TOPIC_0094118976__p9666175919313">Flavor</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11%" id="mcps1.3.3.2.2.10.1.2"><p id="EN-US_TOPIC_0094118976__p1366615919315">vCPUs</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12%" id="mcps1.3.3.2.2.10.1.3"><p id="EN-US_TOPIC_0094118976__p17666059936">Memory</p>
<p id="EN-US_TOPIC_0094118976__p1566713591231">(GiB)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="13%" id="mcps1.3.3.2.2.10.1.4"><p id="EN-US_TOPIC_0094118976__p0667359538">Max./Assured Network Bandwidth</p>
<p id="EN-US_TOPIC_0094118976__p156671459135">(Gbit/s)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="14.000000000000002%" id="mcps1.3.3.2.2.10.1.5"><p id="EN-US_TOPIC_0094118976__p466705919311">Max. Network PPS</p>
<p id="EN-US_TOPIC_0094118976__p146673594311">(10,000)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="9%" id="mcps1.3.3.2.2.10.1.6"><p id="EN-US_TOPIC_0094118976__p186675591234">Max. NIC Queues</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12%" id="mcps1.3.3.2.2.10.1.7"><p id="EN-US_TOPIC_0094118976__p1066720592312">Local Disks</p>
<p id="EN-US_TOPIC_0094118976__p8667145910314">(GiB)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="9%" id="mcps1.3.3.2.2.10.1.8"><p id="EN-US_TOPIC_0094118976__p116671859531">Max. NICs</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11%" id="mcps1.3.3.2.2.10.1.9"><p id="EN-US_TOPIC_0094118976__p366845911315">Virtualization</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__row1366835910319"><td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p106681659337">i3m.2xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p146684590310">8</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p1066816597314">64</p>
</td>
<td class="cellrowborder" valign="top" width="13%" headers="mcps1.3.3.2.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p766918593312">2.5/2.5</p>
</td>
<td class="cellrowborder" valign="top" width="14.000000000000002%" headers="mcps1.3.3.2.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p1669459432">100</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p76690591539">4</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p1666918595315">1 × 1,600 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p16693591935">4</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p666918591535">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row10669759630"><td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p567095917319">i3m.4xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p1067018593315">16</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p967005916313">128</p>
</td>
<td class="cellrowborder" valign="top" width="13%" headers="mcps1.3.3.2.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p767015591233">5/5</p>
</td>
<td class="cellrowborder" valign="top" width="14.000000000000002%" headers="mcps1.3.3.2.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p1167011591133">150</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p12670659537">4</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p76707591139">2 × 1,600 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p9670059933">8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p96716598310">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row146715591433"><td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p1967112592312">i3m.8xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p196714593320">32</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p196719599314">256</p>
</td>
<td class="cellrowborder" valign="top" width="13%" headers="mcps1.3.3.2.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p186717591132">10/10</p>
</td>
<td class="cellrowborder" valign="top" width="14.000000000000002%" headers="mcps1.3.3.2.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p467111592316">200</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p1767135912319">8</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p767216592320">4 × 1,600 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p1267265916319">8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p1567212591316">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row1672135912316"><td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p146729592312">i3m.12xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p867217591331">48</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p16729591232">384</p>
</td>
<td class="cellrowborder" valign="top" width="13%" headers="mcps1.3.3.2.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p126726594315">15/15</p>
</td>
<td class="cellrowborder" valign="top" width="14.000000000000002%" headers="mcps1.3.3.2.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p5673359339">240</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p126738591233">8</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p1567385915312">6 × 1,600 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p196731459436">8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p176738594315">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row19673125918313"><td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p1867345912314">i3m.15xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p86731059739">60</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p136741859731">512</p>
</td>
<td class="cellrowborder" valign="top" width="13%" headers="mcps1.3.3.2.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p6674659534">25/25</p>
</td>
<td class="cellrowborder" valign="top" width="14.000000000000002%" headers="mcps1.3.3.2.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p967418591733">500</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p367495920317">16</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p567417592318">7 × 1,600 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p1967415594312">8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p4674959832">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row76745596312"><td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p186755591315">i3m.16xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p667510591135">64</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p15675105912314">512</p>
</td>
<td class="cellrowborder" valign="top" width="13%" headers="mcps1.3.3.2.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p1067511598318">25/25</p>
</td>
<td class="cellrowborder" valign="top" width="14.000000000000002%" headers="mcps1.3.3.2.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p1467517591336">500</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p206754591438">16</p>
</td>
<td class="cellrowborder" valign="top" width="12%" headers="mcps1.3.3.2.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p12675145915316">8 × 1,600 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="9%" headers="mcps1.3.3.2.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p36762592313">8</p>
</td>
<td class="cellrowborder" valign="top" width="11%" headers="mcps1.3.3.2.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p9676195920316">KVM</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table1679111761416" frame="border" border="1" rules="all"><caption><b>Table 2 </b>I3 ECS specifications</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__row17792101711416"><th align="left" class="cellrowborder" valign="top" width="10.290000000000003%" id="mcps1.3.3.3.2.10.1.1"><p id="EN-US_TOPIC_0094118976__p1779251718141">Flavor</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="9.88%" id="mcps1.3.3.3.2.10.1.2"><p id="EN-US_TOPIC_0094118976__p16792161711418">vCPUs</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12.110000000000001%" id="mcps1.3.3.3.2.10.1.3"><p id="EN-US_TOPIC_0094118976__p77921617151416">Memory</p>
<p id="EN-US_TOPIC_0094118976__p1479291719149">(GiB)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="13.110000000000003%" id="mcps1.3.3.3.2.10.1.4"><p id="EN-US_TOPIC_0094118976__p15792141701418">Max./Assured Network Bandwidth</p>
<p id="EN-US_TOPIC_0094118976__p127921517111411">(Gbit/s)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="13.300000000000004%" id="mcps1.3.3.3.2.10.1.5"><p id="EN-US_TOPIC_0094118976__p1179221716148">Max. Network PPS</p>
<p id="EN-US_TOPIC_0094118976__p5792517151417">(10,000)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="9.91%" id="mcps1.3.3.3.2.10.1.6"><p id="EN-US_TOPIC_0094118976__p879261717142">Max. NIC Queues</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="8.200000000000001%" id="mcps1.3.3.3.2.10.1.7"><p id="EN-US_TOPIC_0094118976__p167434915016">Max. NICs</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12.110000000000001%" id="mcps1.3.3.3.2.10.1.8"><p id="EN-US_TOPIC_0094118976__p3793181721412">Local Disks</p>
<p id="EN-US_TOPIC_0094118976__p3793717191412">(GiB)</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11.090000000000002%" id="mcps1.3.3.3.2.10.1.9"><p id="EN-US_TOPIC_0094118976__p197934171149">Virtualization</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__row1279311721420"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p0793317131410">i3.2xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p1279319179147">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p1079316176146">32</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p779315177145">15/4.5</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p679371714148">150</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p579317172146">4</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p36741349155015">4</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p1579319179145">1 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p0794117201414">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row779412172142"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p1794121731418">i3.4xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p779412175146">16</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p137941177141">64</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p279411761415">20/9</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p16794117101416">280</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p8794181741419">8</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p16675134975016">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p9794171715147">2 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p2079471719148">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row9794121716141"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p19795121721416">i3.8xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p179591701414">32</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p97957170145">128</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p20795317121418">30/18</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p27956172144">550</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p1679512177141">16</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p767515499507">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p57957176146">4 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p18795617161418">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row14795141712142"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p1379531771416">i3.12xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p1779551712147">48</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p10796131701412">192</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p2796161716143">35/27</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p1796161741415">750</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p97961417201416">16</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p167504911508">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p0796131741417">6 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p07962175141">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row8797161781411"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p2797217111413">i3.16xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p3797121719145">64</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p179751711146">256</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p1479721761417">40/32</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p18797317191410">1,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p207985173146">32</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p067654955013">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p167986175143">8 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p2798191715140">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row108965920014"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p122764352003">i3.2xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p12911214135714">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p13292131416578">64</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p20292141416575">15/4.5</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p1429261413575">150</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p152921114205713">4</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p1029215148576">4</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p16292111405714">1 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p32931314135712">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row18341813806"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p192771935401">i3.4xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p1529361465718">16</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p1129361485717">128</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p1293714195715">20/9</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p10293111435716">280</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p1329321425718">8</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p12941141576">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p19294014165720">2 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p1329441411574">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row1266610168014"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p1127916355011">i3.8xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p192941514175717">32</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p1329451415718">256</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p14294191413574">30/18</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p17295151412575">550</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p92955146573">16</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p929521445715">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p10295191485711">4 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p12295314125714">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row71803211308"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p728016353014">i3.12xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p102959141573">48</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p829661411572">384</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p429601455710">35/27</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p2029614142572">750</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p9296201475710">16</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p13296141415578">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p15296131415575">6 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p1029631445716">KVM</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row14872043100"><td class="cellrowborder" valign="top" width="10.290000000000003%" headers="mcps1.3.3.3.2.10.1.1 "><p id="EN-US_TOPIC_0094118976__p9728145719015">i3.16xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="9.88%" headers="mcps1.3.3.3.2.10.1.2 "><p id="EN-US_TOPIC_0094118976__p82971814205712">64</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.3 "><p id="EN-US_TOPIC_0094118976__p102971814105716">512</p>
</td>
<td class="cellrowborder" valign="top" width="13.110000000000003%" headers="mcps1.3.3.3.2.10.1.4 "><p id="EN-US_TOPIC_0094118976__p329751418575">40/32</p>
</td>
<td class="cellrowborder" valign="top" width="13.300000000000004%" headers="mcps1.3.3.3.2.10.1.5 "><p id="EN-US_TOPIC_0094118976__p1929741415576">1,000</p>
</td>
<td class="cellrowborder" valign="top" width="9.91%" headers="mcps1.3.3.3.2.10.1.6 "><p id="EN-US_TOPIC_0094118976__p829711445718">32</p>
</td>
<td class="cellrowborder" valign="top" width="8.200000000000001%" headers="mcps1.3.3.3.2.10.1.7 "><p id="EN-US_TOPIC_0094118976__p229710148576">8</p>
</td>
<td class="cellrowborder" valign="top" width="12.110000000000001%" headers="mcps1.3.3.3.2.10.1.8 "><p id="EN-US_TOPIC_0094118976__p1729712145572">8 × 3,200 GiB NVMe</p>
</td>
<td class="cellrowborder" valign="top" width="11.090000000000002%" headers="mcps1.3.3.3.2.10.1.9 "><p id="EN-US_TOPIC_0094118976__p329841425719">KVM</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0094118976__section8578544141912"><h4 class="sectiontitle">Local Disk Performance</h4><p id="EN-US_TOPIC_0094118976__p15954152722913"></p>
<p id="EN-US_TOPIC_0094118976__p1845635716619"><a href="#EN-US_TOPIC_0094118976__table8237323473">Table 3</a> lists the local disk IOPS of I3m instance flavors. <a href="#EN-US_TOPIC_0094118976__table2850175181012">Table 5</a> lists the performance of a single local disk used by an I3m ECS.</p>
<p id="EN-US_TOPIC_0094118976__p73925061316"><a href="#EN-US_TOPIC_0094118976__table1875314018355">Table 4</a> lists the local disk IOPS of I3 instance flavors. <a href="#EN-US_TOPIC_0094118976__table9670341181017">Table 6</a> lists the performance of a single local disk used by an I3 ECS.</p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0094118976__table8237323473"></a><a name="table8237323473"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table8237323473" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Local disk IOPS of I3m instance flavors</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__row423810231679"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.5.2.3.1.1"><p id="EN-US_TOPIC_0094118976__p523982318717">Flavor</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.5.2.3.1.2"><p id="EN-US_TOPIC_0094118976__p1923912233712">Maximum IOPS for Random 4 KB Read</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__row32398238717"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1223920231973">i3m.2xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p4239172312712">750,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row122407231875"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p8240172311719">i3m.4xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p02401423972">1,500,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row52407234711"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p92403231176">i3m.8xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1124111236710">3,000,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row524112231372"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1624115231371">i3m.12xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1524118231474">4,500,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row62414231275"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p182413237719">i3m.15xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1124232319711">5,250,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row102422230712"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1924216231774">i3m.16xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.5.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p192420231776">6,000,000</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0094118976__table1875314018355"></a><a name="table1875314018355"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table1875314018355" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Local disk IOPS of I3 instance flavors</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__row1475411403352"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.6.2.3.1.1"><p id="EN-US_TOPIC_0094118976__p775519405359">Flavor</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.6.2.3.1.2"><p id="EN-US_TOPIC_0094118976__p075534018355">Maximum IOPS for Random 4 KB Read</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__row10755154033517"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p57559404353">i3.2xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p17846448103618">750,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row97561402357"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p117562405355">i3.4xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p8342056134">1,500,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row3756124011359"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p18756114013517">i3.8xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p13845144833614">3,000,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row2757140173512"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p87579409356">i3.12xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p6844248133619">4,500,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row1775812409356"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p0758840183518">i3.16xlarge.4</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p0814104843612">6,000,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row148291159152211"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1223893382315">i3.2xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1823843320233">750,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row105080232313"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p2239123314234">i3.4xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1123963312232">1,500,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row1734409102314"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1223973310238">i3.8xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p9239233152318">3,000,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row8966171482317"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p14243733112317">i3.12xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1324363392317">4,500,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row12676512132319"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1224415332235">i3.16xlarge.8</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.6.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p124453312314">6,000,000</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0094118976__table2850175181012"></a><a name="table2850175181012"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table2850175181012" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Performance of a single local disk used by an I3m ECS</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__row0851145151019"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.7.2.3.1.1"><p id="EN-US_TOPIC_0094118976__p485113531012">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.4.7.2.3.1.2"><p id="EN-US_TOPIC_0094118976__p158511558104">Performance</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__row20852195191020"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p18528515101">Disk capacity</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p785245141018">1.6 TB</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row118521058108"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p178529591019">IOPS for random 4 KB read</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p16853452104">750,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row10853052103"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1985385161019">IOPS for random 4 KB write</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p15853450102">200,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row12853559107"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p1885455131012">Read throughput</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1585411513102">2.9 GiB/s</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row168541357107"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p985419531017">Write throughput</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p8854135191020">1.9 GiB/s</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row48541055101"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p118554515101">Access latency</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.4.7.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p185512513106">Within microseconds</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0094118976__table9670341181017"></a><a name="table9670341181017"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table9670341181017" frame="border" border="1" rules="all"><caption><b>Table 6 </b>Performance of a single local disk used by an I3 ECS</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__row17671114131010"><th align="left" class="cellrowborder" valign="top" width="46%" id="mcps1.3.4.8.2.3.1.1"><p id="EN-US_TOPIC_0094118976__p1367104115109">Metric</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="54%" id="mcps1.3.4.8.2.3.1.2"><p id="EN-US_TOPIC_0094118976__p1671741141018">Performance</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__row16719414103"><td class="cellrowborder" valign="top" width="46%" headers="mcps1.3.4.8.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p15671144118105">Disk capacity</p>
</td>
<td class="cellrowborder" valign="top" width="54%" headers="mcps1.3.4.8.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p067104121019">1.6 TB</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row1367194117105"><td class="cellrowborder" valign="top" width="46%" headers="mcps1.3.4.8.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p167118413102">IOPS for random 4 KB read</p>
</td>
<td class="cellrowborder" valign="top" width="54%" headers="mcps1.3.4.8.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p4671241191015">750,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row1367194117100"><td class="cellrowborder" valign="top" width="46%" headers="mcps1.3.4.8.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p8671241161011">IOPS for random 4 KB write</p>
</td>
<td class="cellrowborder" valign="top" width="54%" headers="mcps1.3.4.8.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p6671154111015">200,000</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row18671134131018"><td class="cellrowborder" valign="top" width="46%" headers="mcps1.3.4.8.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p10671641191019">Read throughput</p>
</td>
<td class="cellrowborder" valign="top" width="54%" headers="mcps1.3.4.8.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p16672141121018">2.9 GiB/s</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row9672144121018"><td class="cellrowborder" valign="top" width="46%" headers="mcps1.3.4.8.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p4672194191015">Write throughput</p>
</td>
<td class="cellrowborder" valign="top" width="54%" headers="mcps1.3.4.8.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1867274111013">1.9 GiB/s</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__row06721841121017"><td class="cellrowborder" valign="top" width="46%" headers="mcps1.3.4.8.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__p867294112107">Access latency</p>
</td>
<td class="cellrowborder" valign="top" width="54%" headers="mcps1.3.4.8.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__p1167219416102">Within microseconds</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0094118976__section194832241502"><h4 class="sectiontitle">Notes</h4><ul id="EN-US_TOPIC_0094118976__ul118982271720"><li id="EN-US_TOPIC_0094118976__li1960683772413"><a href="#EN-US_TOPIC_0094118976__table192771727112217">Table 7</a> lists the OSs supported by ultra-high I/O ECSs.
<div class="tablenoborder"><a name="EN-US_TOPIC_0094118976__table192771727112217"></a><a name="table192771727112217"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0094118976__table192771727112217" frame="border" border="1" rules="all"><caption><b>Table 7 </b>Supported OS versions</caption><thead align="left"><tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row11278327192211"><th align="left" class="cellrowborder" valign="top" width="49.95%" id="mcps1.3.5.2.1.2.2.3.1.1"><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p19278162716225">OS</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50.05%" id="mcps1.3.5.2.1.2.2.3.1.2"><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p8278112752216">Version</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row1743155812212"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p543125822215">Alma</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p17431758142213">Alma 8 64bit</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row13431145812228"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p19431758122216">CentOS</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul11886112172516"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li38865121258">CentOS Stream 9.6 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li188949185579">CentOS Stream 8.6 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li12438327165710">CentOS 8.5 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li12439112715717">CentOS 8.4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li4439132713575">CentOS 8.3 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li6440132720572">CentOS 8.2 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li144052711571">CentOS 8.1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li588621215252">CentOS 7.9 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1788610127259">CentOS 7.7 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row14431205814225"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p124319583226">Debian</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul621224982515"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li82511558185919">Debian GNU/Linux 12.0.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li35418211907">Debian GNU/Linux 11.7.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li205511211010">Debian GNU/Linux 11.6.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li165611211307">Debian GNU/Linux 11.5.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li17568214016">Debian GNU/Linux 11.4.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li13571721103">Debian GNU/Linux 11.3.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li357192114012">Debian GNU/Linux 11.2.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li65862112019">Debian GNU/Linux 11.1.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li20597212017">Debian GNU/Linux 11.0.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li7594214011">Debian GNU/Linux 10.13.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li14603211107">Debian GNU/Linux 10.12.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li19631921506">Debian GNU/Linux 10.11.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li16634211603">Debian GNU/Linux 10.10.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li106462115018">Debian GNU/Linux 10.9.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li166511211601">Debian GNU/Linux 10.8.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li186592116013">Debian GNU/Linux 10.7.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li86611211108">Debian GNU/Linux 10.6.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li566122111011">Debian GNU/Linux 10.5.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li867821306">Debian GNU/Linux 10.4.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li46772112017">Debian GNU/Linux 10.3.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li8681021505">Debian GNU/Linux 10.2.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li8681621708">Debian GNU/Linux 10.1.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li7212174916258">Debian GNU/Linux 10 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row1943125882219"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p14432145812222">EulerOS</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul132081924165817"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1820872416584">EulerOS 2.12 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li520812435818">EulerOS 2.11 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1520862475811">EulerOS 2.10 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li820882412586">EulerOS 2.8 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li15208102414582">EulerOS 2.7 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1209132411581">EulerOS 2.5 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row1545125312221"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p135451953192219">Fedora</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul1663413714279"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li7454155217587">Fedora 39 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li233343195916">Fedora 38 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1533412316592">Fedora 37 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li15335163205915">Fedora 36 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1663467112716">Fedora 35 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1563416714272">Fedora 34 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li116342711278">Fedora 33 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1581502216592">Fedora 32 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li980861245918">Fedora 31 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row95451253192217"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p1254585312228">OpenSUSE</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul165026515564"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li13502125125619">OpenSUSE 15.5 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li050275195612">OpenSUSE 15.4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li9502195105612">OpenSUSE 15.3 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li250315115620">OpenSUSE 15.2 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row14278152732214"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p8278427162219">Oracle Linux</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul33191534203710"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li0319123412374">Oracle Linux Server release 8.4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li0319134173710">Oracle Linux Server release 7.6 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row1527810278221"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p327810276226">Red Hat</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul6662114394210"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1855752610540">Red Hat Enterprise Linux 9.1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li6242194518547">Red Hat Enterprise Linux 9.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li22424455543">Red Hat Enterprise Linux 8.7 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li16243184519549">Red Hat Enterprise Linux 8.6 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1024384515415">Red Hat Enterprise Linux 8.5 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li14243164512548">Red Hat Enterprise Linux 8.4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li172437456542">Red Hat Enterprise Linux 8.3 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li122440457548">Red Hat Enterprise Linux 8.2 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1724414451543">Red Hat Enterprise Linux 8.1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li176621143104218">Red Hat Enterprise Linux 7.9 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li2066217436429">Red Hat Enterprise Linux 6.10 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row448935219429"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p19489652184213">Rocky</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul1424914235419"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li162499217545">9.2 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1824942205418">9.1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li162491425543">9.0 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li624913235412">8.8 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li122491529543">8.7 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li112497265414">8.6 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li22497218543">8.5 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1925032115418">8.4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li725082125415">8.3 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li10250523548">8 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row11181357124218"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p201183573428">SUSE</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul1481316019461"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li237620135315">Novell SUSE Linux Enterprise Server 15 SP5 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li95941845311">Novell SUSE Linux Enterprise Server 15 SP4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li481315004611">Novell SUSE Linux Enterprise Server 15 SP3 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li14813150174617">Novell SUSE Linux Enterprise Server 15 SP2 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li781310014468">Novell SUSE Linux Enterprise Server 15 SP1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li12813608462">Novell SUSE Linux Enterprise Server 15 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li0813100154611">Novell SUSE Linux Enterprise Server 12 SP5 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li108137094617">Novell SUSE Linux Enterprise Server 12 SP4 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1381311014620">Novell SUSE Linux Enterprise Server 12 SP3 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row19191332431"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p919339435">Ubuntu</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul84311137135311"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li13910141810103">Ubuntu 24.04 server 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1981162445213">Ubuntu 22.04 Server 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li8431037145317">Ubuntu 20.04 server 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li17431163712537">Ubuntu 18.04 server 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row165275718436"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p20527147124315">Windows</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul4285643165519"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1333220394452">Windows Server 2025 Standard 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1236894965019">Windows Server 2022 Standard 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li914910205516">Windows Server 2022 Datacenter 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li16921102295119">Windows Server 2019 Datacenter 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li13285124365519">Windows Server 2019 Standard 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li18285543195516">Windows Server 2016 Standard 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li15285443125511">Windows Server 2012 R2 Standard 64bit</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_row16527676436"><td class="cellrowborder" valign="top" width="49.95%" headers="mcps1.3.5.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_p14527147184312">openEuler</p>
</td>
<td class="cellrowborder" valign="top" width="50.05%" headers="mcps1.3.5.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_ul1232212945216"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1432299115210">openEuler 22.03 SP1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li63234912526">openEuler 22.03 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li1732320915522">openEuler 20.03 SP3 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li20323149125211">openEuler 20.03 SP2 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li132317915211">openEuler 20.03 SP1 64bit</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470101_li53231798528">openEuler 20.03 64bit</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="EN-US_TOPIC_0094118976__li16411373253">If the host where an ultra-high I/O ECS is deployed is faulty, the ECS cannot be restored through live migration.<ul id="EN-US_TOPIC_0094118976__ul14550172322517"><li id="EN-US_TOPIC_0094118976__li18942142152516">If the host is faulty or subhealthy, you need to stop the ECS for hardware repair.</li><li id="EN-US_TOPIC_0094118976__li11944122122512">In case of system maintenance or hardware faults, the ECS will be redeployed (to ensure HA) and cold migrated to another host. The local disk data of the ECS will not be retained.</li></ul>
</li><li id="EN-US_TOPIC_0094118976__li2549184113178">Ultra-high I/O ECSs do not support specification modification.</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470099_en-us_topic_0088142885_li14386295223843">Ultra-high I/O ECSs do not support snapshots or backups of local disks.</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470099_en-us_topic_0088142885_li18838856223614">Ultra-high I/O ECSs can use local disks, and can also have EVS disks attached to provide a larger storage size. Note the following when using the two types of storage media:<ul id="EN-US_TOPIC_0094118976__en-us_topic_0035470099_en-us_topic_0088142885_ul35331977223614"><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470099_en-us_topic_0088142885_li49552340223614">Only an EVS disk, not a local disk, can be used as the system disk of an ultra-high I/O ECS.</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470099_en-us_topic_0088142885_li43317883223614">Both EVS disks and local disks can be used as data disks of an ultra-high I/O ECS.</li><li id="EN-US_TOPIC_0094118976__li1912894412312">An ultra-high I/O ECS can have a maximum of 60 attached disks (including VBD, SCSI, and local disks). For details about constraints, see <a href="en-us_topic_0018073215.html">Can I Attach Multiple Disks to an ECS?</a></li></ul>
</li><li id="EN-US_TOPIC_0094118976__li7909173042914">You can configure the <strong id="EN-US_TOPIC_0094118976__b38401553202110">fstab</strong> file to set automatic disk mounting at ECS startup. For details, see <a href="en-us_topic_0030831989.html">Initializing EVS Data Disks</a>.</li><li id="EN-US_TOPIC_0094118976__en-us_topic_0035470099_en-us_topic_0088142885_li1717385122398">The local disk data of an ultra-high I/O ECS may be lost if an exception occurs, such as physical server breakdown or local disk damage. If your application does not use the data reliability architecture, it is a good practice to use EVS disks to build your ECS.</li><li id="EN-US_TOPIC_0094118976__li6549174117179">When an ultra-high I/O ECS is deleted, the data on local NVMe SSDs will also be automatically deleted. Back up data in advance. Deleting local disk data will increase the time needed to release resources compared with ECSs without local disks.</li><li id="EN-US_TOPIC_0094118976__li175491741191710">The reliability of local disk data depends on the reliability of physical servers and hard disks, which are SPOF-prone. It is a good practice to use data redundancy at the application layer to ensure data availability. Use EVS disks to store service data that needs to be stored for a long time.</li><li id="EN-US_TOPIC_0094118976__li7292749141819">The device name of a local disk attached to an ultra-high I/O ECS is <strong id="EN-US_TOPIC_0094118976__b5497105251714">/dev/nvme0n1</strong> or <strong id="EN-US_TOPIC_0094118976__b0503652101712">/dev/nvme0n2</strong>.</li><li id="EN-US_TOPIC_0094118976__li117233308228">The basic resources, including vCPUs, memory, and the image of an ultra-high I/O ECS will continue to be billed after the ECS is stopped. To stop the ECS from being billed, delete it and its associated resources. </li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0094118976__section121148461119"><h4 class="sectiontitle">Handling Damaged Local Disks Used by I-Series ECSs</h4><p id="EN-US_TOPIC_0094118976__p398664513218">If a local disk attached to an ECS is damaged, perform the following operations to handle this issue:</p>
<p id="EN-US_TOPIC_0094118976__p16492123493916"><strong id="EN-US_TOPIC_0094118976__b16804131412409">For a Linux ECS:</strong></p>
<ol id="EN-US_TOPIC_0094118976__ol234311732020"><li id="EN-US_TOPIC_0094118976__li20761141010484">Detach the faulty local disk.<ol type="a" id="EN-US_TOPIC_0094118976__ol1235913041419"><li id="EN-US_TOPIC_0094118976__li179261022153213">Run the following command to query the mount point of the faulty disk:<p id="EN-US_TOPIC_0094118976__p62094510334"><a name="EN-US_TOPIC_0094118976__li179261022153213"></a><a name="li179261022153213"></a><strong id="EN-US_TOPIC_0094118976__b12840758436">df -Th</strong></p>
<div class="fignone" id="EN-US_TOPIC_0094118976__fig17394172431814"><a name="EN-US_TOPIC_0094118976__fig17394172431814"></a><a name="fig17394172431814"></a><span class="figcap"><b>Figure 1 </b>Querying the mount point</span><br><span><img id="EN-US_TOPIC_0094118976__image23951524181819" src="en-us_image_0000001347858206.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0094118976__li13943856181313">Run the following command to detach the faulty local disk:<p id="EN-US_TOPIC_0094118976__p394310560134"><a name="EN-US_TOPIC_0094118976__li13943856181313"></a><a name="li13943856181313"></a><strong id="EN-US_TOPIC_0094118976__b192962806534125">umount</strong> <em id="EN-US_TOPIC_0094118976__i33366480734125">mount-point</em></p>
<p id="EN-US_TOPIC_0094118976__p13943205661317">In the example shown in <a href="#EN-US_TOPIC_0094118976__fig17394172431814">Figure 1</a>, the mount point of <strong id="EN-US_TOPIC_0094118976__b147448523534125">/dev/nvme0n1</strong> is <strong id="EN-US_TOPIC_0094118976__b24601479334125">/mnt/nvme0</strong>. Run the following command:</p>
<p id="EN-US_TOPIC_0094118976__p169432568137"><strong id="EN-US_TOPIC_0094118976__b1094355691318">umount /mnt/nvme0</strong></p>
</li></ol>
</li><li id="EN-US_TOPIC_0094118976__li1330793813373">Check whether the mount point of the faulty disk is configured in <strong id="EN-US_TOPIC_0094118976__b883212219419">/etc/fstab</strong> of the ECS. If yes, comment out the mount point to prevent the ECS from entering the maintenance mode upon ECS startup after the faulty disk is replaced.<ol type="a" id="EN-US_TOPIC_0094118976__ol1747744004616"><li id="EN-US_TOPIC_0094118976__li7673171202112"><a name="EN-US_TOPIC_0094118976__li7673171202112"></a><a name="li7673171202112"></a>Run the following command to obtain the partition UUID:<p id="EN-US_TOPIC_0094118976__p18674151182112"><a name="EN-US_TOPIC_0094118976__li7673171202112"></a><a name="li7673171202112"></a><strong id="EN-US_TOPIC_0094118976__b102527282414">blkid</strong> <em id="EN-US_TOPIC_0094118976__i72522262418">disk-partition</em></p>
<p id="EN-US_TOPIC_0094118976__p26740162114">In this example, run the following command to obtain the UUID of the <span class="parmname" id="EN-US_TOPIC_0094118976__parmname192442265134125"><b>/dev/nvme0n1</b></span> partition:</p>
<p id="EN-US_TOPIC_0094118976__p167441162115"><strong id="EN-US_TOPIC_0094118976__b8674171102115">blkid /dev/nvme0n1</strong></p>
<p id="EN-US_TOPIC_0094118976__p1675181182117">Information similar to the following is displayed:</p>
<pre class="screen" id="EN-US_TOPIC_0094118976__screen86751114213">/dev/nvme0n1: UUID="b9a07b7b-9322-4e05-ab9b-14b8050cd8cc" TYPE="ext4"</pre>
</li><li id="EN-US_TOPIC_0094118976__li86752162112">Run the following command to check whether <strong id="EN-US_TOPIC_0094118976__b15241621341">/etc/fstab</strong> contains the automatic mounting information about the disk partition:<p id="EN-US_TOPIC_0094118976__p1667516119213"><strong id="EN-US_TOPIC_0094118976__b1967514182111">cat /etc/fstab</strong></p>
<p id="EN-US_TOPIC_0094118976__p1167518112214">Information similar to the following is displayed:</p>
<pre class="screen" id="EN-US_TOPIC_0094118976__screen20675715214">UUID=b9a07b7b-9322-4e05-ab9b-14b8050cd8cc /mnt ext4 defaults 0 0</pre>
</li><li id="EN-US_TOPIC_0094118976__li19965204275416">If the mounting information exists, perform the following steps to delete it.<ol class="substepthirdol" id="EN-US_TOPIC_0094118976__ol867619118218"><li id="EN-US_TOPIC_0094118976__li06760172119">Run the following command to edit <strong id="EN-US_TOPIC_0094118976__b106987283417">/etc/fstab</strong>:<p id="EN-US_TOPIC_0094118976__p156769182120"><strong id="EN-US_TOPIC_0094118976__b1267616142119">vi /etc/fstab</strong></p>
<p id="EN-US_TOPIC_0094118976__p66761119214">Use the UUID obtained in <a href="#EN-US_TOPIC_0094118976__li7673171202112">2.a</a> to check whether the mounting information of the local disk is contained in <strong id="EN-US_TOPIC_0094118976__b42963325934125">/etc/fstab</strong>. If yes, comment out the information. This prevents the ECS from entering the maintenance mode upon ECS startup after the local disk is replaced.</p>
</li><li id="EN-US_TOPIC_0094118976__li116767119218">Press <strong id="EN-US_TOPIC_0094118976__b2476819134125">i</strong> to enter editing mode.</li><li id="EN-US_TOPIC_0094118976__li8676191112116">Delete or comment out the automatic mounting information of the disk partition.<p id="EN-US_TOPIC_0094118976__p767715117211"><a name="EN-US_TOPIC_0094118976__li8676191112116"></a><a name="li8676191112116"></a>For example, add a pound sign (#) at the beginning of the following command line to comment out the automatic mounting information:</p>
<pre class="screen" id="EN-US_TOPIC_0094118976__screen267714113215"># UUID=b9a07b7b-9322-4e05-ab9b-14b8050cd8cc /mnt ext4 defaults 0 0</pre>
</li><li id="EN-US_TOPIC_0094118976__li967731102115">Press <strong id="EN-US_TOPIC_0094118976__b127920749934125">Esc</strong> to exit editing mode. Enter <strong id="EN-US_TOPIC_0094118976__b19154003134125">:wq</strong> and press <strong id="EN-US_TOPIC_0094118976__b160751866934125">Enter</strong> to save the settings and exit.</li></ol>
</li></ol>
</li><li id="EN-US_TOPIC_0094118976__li475833991820">Run the following command to obtain the SN of the local disk:<p id="EN-US_TOPIC_0094118976__p13844174142320"><a name="EN-US_TOPIC_0094118976__li475833991820"></a><a name="li475833991820"></a>For example, if the nvme0n1 disk is faulty, obtain the serial number of the nvme0n1 disk.</p>
<p id="EN-US_TOPIC_0094118976__p3572152102313"><strong id="EN-US_TOPIC_0094118976__b8572422236">ll /dev/disk/by-id/</strong></p>
<div class="fignone" id="EN-US_TOPIC_0094118976__fig557222102312"><span class="figcap"><b>Figure 2 </b>Querying the serial number of the faulty local disk</span><br><span><img id="EN-US_TOPIC_0094118976__image15721627234" src="en-us_image_0000001347546258.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0094118976__li16834184631113">Stop the ECS and provide the serial number of the faulty disk to technical support personnel to replace the local disk.<p id="EN-US_TOPIC_0094118976__p4578174791119"><a name="EN-US_TOPIC_0094118976__li16834184631113"></a><a name="li16834184631113"></a>After the local disk is replaced, restart the ECS to synchronize the new local disk information to the virtualization layer.</p>
</li></ol>
<p id="EN-US_TOPIC_0094118976__p1037312116408"><strong id="EN-US_TOPIC_0094118976__b12460422403">For a Windows ECS:</strong></p>
<ol id="EN-US_TOPIC_0094118976__ol155038208401"><li id="EN-US_TOPIC_0094118976__li4503112014014">Open <strong id="EN-US_TOPIC_0094118976__b138676998334125">Computer Management</strong>, choose <strong id="EN-US_TOPIC_0094118976__b59063309834125">Computer Management (Local)</strong> &gt; <strong id="EN-US_TOPIC_0094118976__b151023165034125">Storage</strong> &gt; <strong id="EN-US_TOPIC_0094118976__b11743988234125">Disk Management</strong>, and view the disk ID, for example, Disk 1.</li><li id="EN-US_TOPIC_0094118976__li132001825625">Open Windows PowerShell as an administrator and run the following command to query the disk on which the logical disk is created:<p id="EN-US_TOPIC_0094118976__p14852610213"><a name="EN-US_TOPIC_0094118976__li132001825625"></a><a name="li132001825625"></a><strong id="EN-US_TOPIC_0094118976__b1944011824213">Get-CimInstance -ClassName Win32_LogicalDiskToPartition |select Antecedent, Dependent | fl</strong></p>
<div class="fignone" id="EN-US_TOPIC_0094118976__fig1139764612433"><span class="figcap"><b>Figure 3 </b>Querying the disk on which the logical disk is created</span><br><span><img id="EN-US_TOPIC_0094118976__image10398194634314" src="en-us_image_0000001346942780.png" title="Click to enlarge" class="imgResize"></span></div>
</li><li id="EN-US_TOPIC_0094118976__li11813104882515">Run the following command to obtain the serial number of the faulty disk according to the mapping between the disk ID and serial number:<p id="EN-US_TOPIC_0094118976__p71187593276"><a name="EN-US_TOPIC_0094118976__li11813104882515"></a><a name="li11813104882515"></a><strong id="EN-US_TOPIC_0094118976__b192181344286">Get-Disk | select Number, SerialNumber</strong></p>
<div class="fignone" id="EN-US_TOPIC_0094118976__fig17403164363214"><span class="figcap"><b>Figure 4 </b>Querying the mapping between the disk ID and serial number</span><br><span><img id="EN-US_TOPIC_0094118976__image23871014514" src="en-us_image_0000001346921122.png" title="Click to enlarge" class="imgResize"></span></div>
<div class="note" id="EN-US_TOPIC_0094118976__note11449153018351"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0094118976__en-us_topic_0088142885_p104506304355">If the serial number cannot be obtained by running the preceding command, see <a href="en-us_topic_0103285575.html#EN-US_TOPIC_0103285575__section1549713815243">Using a Serial Number to Obtain the Disk Device Name (Windows)</a>.</p>
</div></div>
</li><li id="EN-US_TOPIC_0094118976__li1681291103615">Stop the ECS and provide the serial number of the faulty disk to technical support personnel to replace the local disk.<p id="EN-US_TOPIC_0094118976__p118131615364"><a name="EN-US_TOPIC_0094118976__li1681291103615"></a><a name="li1681291103615"></a>After the local disk is replaced, restart the ECS to synchronize the new local disk information to the virtualization layer.</p>
</li></ol>
</div>
</div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0132345719.html">ECS Specifications</a></div>
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