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rds_umn

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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: Ru, Li Yi <liyiru7@huawei.com>
Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>
This commit is contained in:
Ru, Li Yi 2024-10-21 09:06:58 +00:00 committed by zuul
parent e743e7f7b8
commit a59d2acefd
8 changed files with 130 additions and 85 deletions
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6
docs/rds/umn/ALL_META.TXT.json
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@ -1681,7 +1681,7 @@
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docs/rds/umn/CLASS.TXT.json
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@ -837,7 +837,7 @@
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"desc":"If the original storage space is insufficient as your services grow, scale up storage space of your DB instance.If your storage space usage reaches up to 95% for a disk l",
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docs/rds/umn/en-us_topic_0000001191146839.html
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@ -8,7 +8,13 @@
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001191146839__row1674428163620"><td class="cellrowborder" valign="top" width="25.05%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0000001191146839__p20976133483617">2024-08-26</p>
<tbody><tr id="EN-US_TOPIC_0000001191146839__row57278405210"><td class="cellrowborder" valign="top" width="25.05%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0000001191146839__p872817401223">2024-10-12</p>
</td>
<td class="cellrowborder" valign="top" width="74.95%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0000001191146839__p15112561626">Modified the following content:</p>
<ul id="EN-US_TOPIC_0000001191146839__ul1483218310315"><li id="EN-US_TOPIC_0000001191146839__li7832432310"><a href="en-us_topic_scale_cluster.html">Scaling up Storage Space</a>.</li><li id="EN-US_TOPIC_0000001191146839__li15871031139"><a href="rds_pg_scale_cluster.html">Scaling up Storage Space</a>.</li><li id="EN-US_TOPIC_0000001191146839__li1844635020314"><a href="rds_sqlserver_scale_cluster.html">Scaling up Storage Space</a>.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001191146839__row1674428163620"><td class="cellrowborder" valign="top" width="25.05%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0000001191146839__p20976133483617">2024-08-26</p>
</td>
<td class="cellrowborder" valign="top" width="74.95%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0000001191146839__p497617343367">Modified the following content:</p>
<p id="EN-US_TOPIC_0000001191146839__p6976163493615">Supported PostgreSQL 16. Added <a href="en-us_topic_0000002023864553.html">RDS for PostgreSQL Versioning Policy</a>.</p>

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@ -18,7 +18,20 @@
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000002023864553__row19543115815399"><td class="cellrowborder" valign="top" width="11.938806119388062%" headers="mcps1.3.3.2.2.7.1.1 "><p id="EN-US_TOPIC_0000002023864553__p654365818398">15</p>
<tbody><tr id="EN-US_TOPIC_0000002023864553__row19420183263012"><td class="cellrowborder" valign="top" width="11.938806119388062%" headers="mcps1.3.3.2.2.7.1.1 "><p id="EN-US_TOPIC_0000002023864553__p8528173910302">16</p>
</td>
<td class="cellrowborder" valign="top" width="17.848215178482153%" headers="mcps1.3.3.2.2.7.1.2 "><p id="EN-US_TOPIC_0000002023864553__p20528193973012">Commercial use</p>
</td>
<td class="cellrowborder" valign="top" width="17.528247175282473%" headers="mcps1.3.3.2.2.7.1.3 "><p id="EN-US_TOPIC_0000002023864553__p5528183973015">September 2023</p>
</td>
<td class="cellrowborder" valign="top" width="18.188181181881813%" headers="mcps1.3.3.2.2.7.1.4 "><p id="EN-US_TOPIC_0000002023864553__p1852883919306">November 2028</p>
</td>
<td class="cellrowborder" valign="top" width="17.82821717828217%" headers="mcps1.3.3.2.2.7.1.5 "><p id="EN-US_TOPIC_0000002023864553__p1652803913305">August 2024</p>
</td>
<td class="cellrowborder" valign="top" width="16.66833316668333%" headers="mcps1.3.3.2.2.7.1.6 "><p id="EN-US_TOPIC_0000002023864553__p35281439153015">November 2029</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002023864553__row19543115815399"><td class="cellrowborder" valign="top" width="11.938806119388062%" headers="mcps1.3.3.2.2.7.1.1 "><p id="EN-US_TOPIC_0000002023864553__p654365818398">15</p>
</td>
<td class="cellrowborder" valign="top" width="17.848215178482153%" headers="mcps1.3.3.2.2.7.1.2 "><p id="EN-US_TOPIC_0000002023864553__p247413264115">Commercial use</p>
</td>
@ -83,19 +96,6 @@
<td class="cellrowborder" valign="top" width="16.66833316668333%" headers="mcps1.3.3.2.2.7.1.6 "><p id="EN-US_TOPIC_0000002023864553__p5442123393010">January 2025</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002023864553__row416724613315"><td class="cellrowborder" valign="top" width="11.938806119388062%" headers="mcps1.3.3.2.2.7.1.1 "><p id="EN-US_TOPIC_0000002023864553__p1516710468311">16</p>
</td>
<td class="cellrowborder" valign="top" width="17.848215178482153%" headers="mcps1.3.3.2.2.7.1.2 "><p id="EN-US_TOPIC_0000002023864553__p040844163215">Commercial use</p>
</td>
<td class="cellrowborder" valign="top" width="17.528247175282473%" headers="mcps1.3.3.2.2.7.1.3 "><p id="EN-US_TOPIC_0000002023864553__p1540814414324">September 2023</p>
</td>
<td class="cellrowborder" valign="top" width="18.188181181881813%" headers="mcps1.3.3.2.2.7.1.4 "><p id="EN-US_TOPIC_0000002023864553__p1440811411321">November 2028</p>
</td>
<td class="cellrowborder" valign="top" width="17.82821717828217%" headers="mcps1.3.3.2.2.7.1.5 "><p id="EN-US_TOPIC_0000002023864553__p94085411328">August 2024</p>
</td>
<td class="cellrowborder" valign="top" width="16.66833316668333%" headers="mcps1.3.3.2.2.7.1.6 "><p id="EN-US_TOPIC_0000002023864553__p1740913418322">November 2029</p>
</td>
</tr>
</tbody>
</table>
</div>

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@ -2,11 +2,38 @@
<h1 class="topictitle1">Scaling up Storage Space</h1>
<div id="body1471395156918"><div class="section" id="en-us_topic_scale_cluster__section3404387132643"><h4 class="sectiontitle">Scenarios</h4><p id="en-us_topic_scale_cluster__p18583743125018">If the original storage space is insufficient as your services grow, <span class="keyword" id="en-us_topic_scale_cluster__keyword12868112613102">scale up storage space</span> of your DB instance. </p>
<p id="en-us_topic_scale_cluster__p759719831712">If your storage space usage reaches up to 95% for a disk less than 1 TB or the remaining space becomes 50 GB for a disk no less than 1 TB, the DB instance status becomes <strong id="en-us_topic_scale_cluster__b172148216317">Storage full</strong> and data cannot be written to databases. In this case, scale up storage space to make the DB instance preserve at least 15% of its capacity to work properly.</p>
<p id="en-us_topic_scale_cluster__p1980135514479">You are advised to set alarm rules for the storage space usage by referring to <a href="rds_06_0002.html">Setting Alarm Rules</a>.</p>
<p id="en-us_topic_scale_cluster__p977882385017">For details about the causes and solutions of insufficient storage space, see section <a href="rds_faq_0046.html">What Should I Do If My Data Exceeds the Available Storage of an RDS DB Instance?</a></p>
<p id="en-us_topic_scale_cluster__a9303b0396b0b4a60b481f52ba80cc9fd">RDS allows you to <span class="keyword" id="en-us_topic_scale_cluster__keyword5942164810274">scale up storage space</span> of DB instances but you cannot change the storage type. During the scale-up period, services are not interrupted.</p>
</div>
<div class="section" id="en-us_topic_scale_cluster__section18619499194"><h4 class="sectiontitle">Instance Becomes Read-Only When Storage Is Full</h4><p id="en-us_topic_scale_cluster__p169907655719">For details about the causes and solutions of insufficient storage space, see <a href="rds_faq_0046.html">What Should I Do If My Data Exceeds the Available Storage of an RDS DB Instance?</a></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_scale_cluster__table591034184410" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Conditions under which an instance becomes read-only if it is out of storage</caption><thead align="left"><tr id="en-us_topic_scale_cluster__row16953420444"><th align="left" class="cellrowborder" valign="top" width="34.12%" id="mcps1.3.2.3.2.3.1.1"><p id="en-us_topic_scale_cluster__p6701030733">Storage Size</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.88000000000001%" id="mcps1.3.2.3.2.3.1.2"><p id="en-us_topic_scale_cluster__p119103454419">Condition</p>
</th>
</tr>
</thead>
<tbody><tr id="en-us_topic_scale_cluster__row13913434419"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="en-us_topic_scale_cluster__p10701830238">Any storage size</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><p id="en-us_topic_scale_cluster__p114888372538">If the available storage space is less than 5 GB, the instance becomes read-only.</p>
<div class="note" id="en-us_topic_scale_cluster__note975910331598"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="en-us_topic_scale_cluster__p77596331193">This rule takes precedence over other rules that can be used to set the instance read-only.</p>
</div></div>
</td>
</tr>
<tr id="en-us_topic_scale_cluster__row391372219232"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="en-us_topic_scale_cluster__p291410221239">Storage size is less than 1 TB.</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="en-us_topic_scale_cluster__ul10235428839"><li id="en-us_topic_scale_cluster__li9235728130">If the storage usage reaches 97%, the instance becomes read-only.</li><li id="en-us_topic_scale_cluster__li182356286315">If the storage usage decreases to 87%, the instance exits the read-only state.</li></ul>
</td>
</tr>
<tr id="en-us_topic_scale_cluster__row7101634174417"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="en-us_topic_scale_cluster__p970110303312">Storage size is greater than or equal to 1 TB.</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="en-us_topic_scale_cluster__ul1281315301236"><li id="en-us_topic_scale_cluster__li381317301739">If the available storage space is less than 30 GB, the instance becomes read-only.</li><li id="en-us_topic_scale_cluster__li118134301936">If the available storage space is greater than or equal to 150 GB, the instance exits the read-only state.</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="en-us_topic_scale_cluster__section6787733202313"><h4 class="sectiontitle">Constraints</h4><ul id="en-us_topic_scale_cluster__ul979225822314"><li id="en-us_topic_scale_cluster__li552515261357">The maximum allowed storage is 4,000 GB. There is no limit on the number of scale-ups.</li><li id="en-us_topic_scale_cluster__li67941558132319">The DB instance is in <strong id="en-us_topic_scale_cluster__b1222272173915">Scaling up</strong> state when its storage space is being scaled up and the backup services are not affected.</li><li id="en-us_topic_scale_cluster__li5794125810233">For primary/standby DB instances, scaling up the primary DB instance will cause the standby DB instance to also be scaled up accordingly.</li><li id="en-us_topic_scale_cluster__li147948588236">You cannot reboot or delete a DB instance that is being scaled up.</li><li id="en-us_topic_scale_cluster__li3794858162316">Storage space can only be scaled up, not down.</li><li id="en-us_topic_scale_cluster__li1179419586235">If you scale up a DB instance with disks encrypted, the expanded storage space will be encrypted using the original encryption key.</li></ul>
</div>
<div class="section" id="en-us_topic_scale_cluster__section3535102285710"><h4 class="sectiontitle">Scaling up a Primary DB Instance</h4><ol id="en-us_topic_scale_cluster__ol4816555385651"><li id="en-us_topic_scale_cluster__li17616348171"><span>Log in to the management console.</span></li><li id="en-us_topic_scale_cluster__li146168481712"><span>Click <span><img id="en-us_topic_scale_cluster__rds_modify_instance_name_en-us_topic_0192953815_image192529212293" src="en-us_image_0000001191211679.png"></span> in the upper left corner and select a region and a project.</span></li><li id="en-us_topic_scale_cluster__li96167481711"><span>Click <strong id="en-us_topic_scale_cluster__rds_modify_instance_name_b171171523153019">Service List</strong>. Under <strong id="en-us_topic_scale_cluster__rds_modify_instance_name_b111722319302">Database</strong>, click <strong id="en-us_topic_scale_cluster__rds_modify_instance_name_b15118152363010">Relational Database Service</strong>. The RDS console is displayed.</span></li><li id="en-us_topic_scale_cluster__li683691813294"><span>On the <span class="uicontrol" id="en-us_topic_scale_cluster__uicontrol59770215612"><b>Instances</b></span> page, locate the target DB instance and choose <span class="uicontrol" id="en-us_topic_scale_cluster__uicontrol697982111611"><b>More</b></span> &gt; <span class="uicontrol" id="en-us_topic_scale_cluster__uicontrol19801211367"><b>Scale Storage Space</b></span> in the <span class="uicontrol" id="en-us_topic_scale_cluster__uicontrol2098110215613"><b>Operation</b></span> column.</span><p><p id="en-us_topic_scale_cluster__p31671032597">You can also perform the following operations to scale up storage space:</p>

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<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.5 "><p id="rds_01_0029__p587313915518">32</p>
</td>
</tr>
<tr id="rds_01_0029__row550341010424"><td class="cellrowborder" rowspan="20" valign="top" width="18.22%" headers="mcps1.3.2.2.2.7.1.1 "><p id="rds_01_0029__p1850441013422">Dedicated</p>
<tr id="rds_01_0029__row1398291651313"><td class="cellrowborder" rowspan="18" valign="top" width="18.22%" headers="mcps1.3.2.2.2.7.1.1 "><p id="rds_01_0029__p1850441013422">Dedicated</p>
</td>
<td class="cellrowborder" valign="top" width="21.6%" headers="mcps1.3.2.2.2.7.1.2 "><p id="rds_01_0029__p350410105424">rds.mysql.x1.medium.2.ha</p>
<td class="cellrowborder" valign="top" width="21.6%" headers="mcps1.3.2.2.2.7.1.2 "><p id="rds_01_0029__p105885453814">rds.mysql.x1.large.2.ha</p>
</td>
<td class="cellrowborder" valign="top" width="20.09%" headers="mcps1.3.2.2.2.7.1.3 "><p id="rds_01_0029__p150461012424">rds.mysql.x1.medium.2.rr</p>
<td class="cellrowborder" valign="top" width="20.09%" headers="mcps1.3.2.2.2.7.1.3 "><p id="rds_01_0029__p625225693915">rds.mysql.x1.large.2.rr</p>
</td>
<td class="cellrowborder" valign="top" width="19.1%" headers="mcps1.3.2.2.2.7.1.4 "><p id="rds_01_0029__p9504161004217">rds.mysql.x1.medium.2</p>
<td class="cellrowborder" valign="top" width="19.1%" headers="mcps1.3.2.2.2.7.1.4 "><p id="rds_01_0029__p379685016137">rds.mysql.x1.large.2</p>
</td>
<td class="cellrowborder" valign="top" width="10.76%" headers="mcps1.3.2.2.2.7.1.5 "><p id="rds_01_0029__p1504310144218">1</p>
<td class="cellrowborder" valign="top" width="10.76%" headers="mcps1.3.2.2.2.7.1.5 "><p id="rds_01_0029__p14982116171314">2</p>
</td>
<td class="cellrowborder" valign="top" width="10.23%" headers="mcps1.3.2.2.2.7.1.6 "><p id="rds_01_0029__p5504161074214">2</p>
</td>
</tr>
<tr id="rds_01_0029__row1253171634220"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.1 "><p id="rds_01_0029__p353113162425">rds.mysql.x1.medium.4.ha</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.2 "><p id="rds_01_0029__p1653191610428">rds.mysql.x1.medium.4.rr</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.3 "><p id="rds_01_0029__p953111160429">rds.mysql.x1.medium.4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.4 "><p id="rds_01_0029__p14532171620428">1</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.5 "><p id="rds_01_0029__p10532131615424">4</p>
</td>
</tr>
<tr id="rds_01_0029__row1398291651313"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.1 "><p id="rds_01_0029__p105885453814">rds.mysql.x1.large.2.ha</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.2 "><p id="rds_01_0029__p625225693915">rds.mysql.x1.large.2.rr</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.3 "><p id="rds_01_0029__p379685016137">rds.mysql.x1.large.2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.4 "><p id="rds_01_0029__p14982116171314">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.5 "><p id="rds_01_0029__p7982416181310">4</p>
<td class="cellrowborder" valign="top" width="10.23%" headers="mcps1.3.2.2.2.7.1.6 "><p id="rds_01_0029__p7982416181310">4</p>
</td>
</tr>
<tr id="rds_01_0029__row4313134962214"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.2.7.1.1 "><p id="rds_01_0029__p2589144113811">rds.mysql.x1.large.4.ha</p>
@ -476,40 +454,18 @@
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.5 "><p id="rds_01_0029__p9551430171518">32</p>
</td>
</tr>
<tr id="rds_01_0029__row1548445410455"><td class="cellrowborder" rowspan="21" valign="top" width="20.327967203279673%" headers="mcps1.3.3.2.2.7.1.1 "><p id="rds_01_0029__p648417542459">Dedicated</p>
<tr id="rds_01_0029__row4107122319439"><td class="cellrowborder" rowspan="19" valign="top" width="20.327967203279673%" headers="mcps1.3.3.2.2.7.1.1 "><p id="rds_01_0029__p648417542459">Dedicated</p>
<p id="rds_01_0029__p155881213114219"></p>
</td>
<td class="cellrowborder" valign="top" width="19.298070192980703%" headers="mcps1.3.3.2.2.7.1.2 "><p id="rds_01_0029__p8844104214438">rds.pg.x1.medium.2.ha</p>
<td class="cellrowborder" valign="top" width="19.298070192980703%" headers="mcps1.3.3.2.2.7.1.2 "><p id="rds_01_0029__p108031640592">rds.pg.x1.large.2.ha</p>
</td>
<td class="cellrowborder" valign="top" width="20.03799620037996%" headers="mcps1.3.3.2.2.7.1.3 "><p id="rds_01_0029__p1484414224320">rds.pg.x1.medium.2.rr</p>
<td class="cellrowborder" valign="top" width="20.03799620037996%" headers="mcps1.3.3.2.2.7.1.3 "><p id="rds_01_0029__p132793523101">rds.pg.x1.large.2.rr</p>
</td>
<td class="cellrowborder" valign="top" width="19.748025197480253%" headers="mcps1.3.3.2.2.7.1.4 "><p id="rds_01_0029__p5844642134313">rds.pg.x1.medium.2</p>
<td class="cellrowborder" valign="top" width="19.748025197480253%" headers="mcps1.3.3.2.2.7.1.4 "><p id="rds_01_0029__p3457191314352">rds.pg.x1.large.2</p>
</td>
<td class="cellrowborder" valign="top" width="10.528947105289472%" headers="mcps1.3.3.2.2.7.1.5 "><p id="rds_01_0029__p1984454284310">1</p>
<td class="cellrowborder" valign="top" width="10.528947105289472%" headers="mcps1.3.3.2.2.7.1.5 "><p id="rds_01_0029__p24841542459">2</p>
</td>
<td class="cellrowborder" valign="top" width="10.05899410058994%" headers="mcps1.3.3.2.2.7.1.6 "><p id="rds_01_0029__p784418428435">2</p>
</td>
</tr>
<tr id="rds_01_0029__row17909182913431"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.1 "><p id="rds_01_0029__p8844154234319">rds.pg.x1.medium.4.ha</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.2 "><p id="rds_01_0029__p17844942184316">rds.pg.x1.medium.4.rr</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.3 "><p id="rds_01_0029__p148442042144314">rds.pg.x1.medium.4</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.4 "><p id="rds_01_0029__p1684474212432">1</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.5 "><p id="rds_01_0029__p284474214437">4</p>
</td>
</tr>
<tr id="rds_01_0029__row4107122319439"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.1 "><p id="rds_01_0029__p108031640592">rds.pg.x1.large.2.ha</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.2 "><p id="rds_01_0029__p132793523101">rds.pg.x1.large.2.rr</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.3 "><p id="rds_01_0029__p3457191314352">rds.pg.x1.large.2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.4 "><p id="rds_01_0029__p24841542459">2</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.5 "><p id="rds_01_0029__p11484175474516">4</p>
<td class="cellrowborder" valign="top" width="10.05899410058994%" headers="mcps1.3.3.2.2.7.1.6 "><p id="rds_01_0029__p11484175474516">4</p>
</td>
</tr>
<tr id="rds_01_0029__row343211983710"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.2.7.1.1 "><p id="rds_01_0029__p780316404918">rds.pg.x1.large.4.ha</p>

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<h1 class="topictitle1">Scaling up Storage Space</h1>
<div id="body8662426"><div class="section" id="rds_pg_scale_cluster__en-us_topic_0171122523_section3404387132643"><h4 class="sectiontitle">Scenarios</h4><p id="rds_pg_scale_cluster__en-us_topic_0192953733_p18583743125018">If the original storage space is insufficient as your services grow, <span class="keyword" id="rds_pg_scale_cluster__en-us_topic_0192953733_keyword1287123612712">scale up storage space</span> of your DB instance.</p>
<p id="rds_pg_scale_cluster__en-us_topic_0192953733_p186623329562">The DB instance needs to preserve at least 15% of its capacity to work properly. The new minimum storage space required to make this instance available has been automatically calculated for you. You are advised to set alarm rules for the storage space usage by referring to <a href="rds_pg_06_0002.html">Setting Alarm Rules</a>.</p>
<p id="rds_pg_scale_cluster__en-us_topic_0192953733_p977882385017">For details about the causes and solutions of insufficient storage space, see <a href="rds_faq_0046.html">What Should I Do If My Data Exceeds the Available Storage of an RDS DB Instance?</a></p>
<p id="rds_pg_scale_cluster__en-us_topic_0192953733_p186623329562">You are advised to set alarm rules for the storage space usage by referring to <a href="rds_pg_06_0002.html">Setting Alarm Rules</a>.</p>
<p id="rds_pg_scale_cluster__en-us_topic_0192953733_a9303b0396b0b4a60b481f52ba80cc9fd">RDS allows you to <span class="keyword" id="rds_pg_scale_cluster__keyword139201222122812">scale up storage space</span> of DB instances but you cannot change the storage type. During the scale-up period, services are not interrupted.</p>
</div>
<div class="section" id="rds_pg_scale_cluster__section18619499194"><h4 class="sectiontitle">Instance Becomes Read-Only When Storage Is Full</h4><p id="rds_pg_scale_cluster__p169907655719">For details about the causes and solutions of insufficient storage space, see <a href="rds_faq_0046.html">What Should I Do If My Data Exceeds the Available Storage of an RDS DB Instance?</a></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="rds_pg_scale_cluster__table591034184410" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Conditions under which an instance becomes read-only if it is out of storage</caption><thead align="left"><tr id="rds_pg_scale_cluster__row16953420444"><th align="left" class="cellrowborder" valign="top" width="34.12%" id="mcps1.3.2.3.2.3.1.1"><p id="rds_pg_scale_cluster__p6701030733">Storage Size</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.88000000000001%" id="mcps1.3.2.3.2.3.1.2"><p id="rds_pg_scale_cluster__p119103454419">Condition</p>
</th>
</tr>
</thead>
<tbody><tr id="rds_pg_scale_cluster__row13913434419"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="rds_pg_scale_cluster__p10701830238">Any storage size</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><p id="rds_pg_scale_cluster__p114888372538">If the available storage space is less than 5 GB, the instance becomes read-only.</p>
<div class="note" id="rds_pg_scale_cluster__note975910331598"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="rds_pg_scale_cluster__p77596331193">This rule takes precedence over other rules that can be used to set the instance read-only.</p>
</div></div>
</td>
</tr>
<tr id="rds_pg_scale_cluster__row391372219232"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="rds_pg_scale_cluster__p291410221239">Storage size is less than 1 TB.</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="rds_pg_scale_cluster__ul10235428839"><li id="rds_pg_scale_cluster__li9235728130">If the storage usage reaches 97%, the instance becomes read-only.</li><li id="rds_pg_scale_cluster__li182356286315">If the storage usage decreases to 87%, the instance exits the read-only state.</li></ul>
</td>
</tr>
<tr id="rds_pg_scale_cluster__row7101634174417"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="rds_pg_scale_cluster__p970110303312">Storage size is greater than or equal to 1 TB.</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="rds_pg_scale_cluster__ul1281315301236"><li id="rds_pg_scale_cluster__li381317301739">If the available storage space is less than 30 GB, the instance becomes read-only.</li><li id="rds_pg_scale_cluster__li118134301936">If the available storage space is greater than or equal to 150 GB, the instance exits the read-only state.</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="rds_pg_scale_cluster__section17604457192012"><h4 class="sectiontitle">Constraints</h4><ul id="rds_pg_scale_cluster__ul166113117219"><li id="rds_pg_scale_cluster__li49992045133813">The maximum allowed storage is 4,000 GB. There is no limit on the number of scale-ups.</li><li id="rds_pg_scale_cluster__li17758818402">For primary/standby DB instances, scaling up the primary DB instance will cause the standby DB instance to also be scaled up accordingly.</li><li id="rds_pg_scale_cluster__li10753814011">You cannot reboot or delete a DB instance that is being scaled up.</li><li id="rds_pg_scale_cluster__li67511894010">Storage space can only be scaled up.</li><li id="rds_pg_scale_cluster__li17758824010">If you scale up a DB instance with disks encrypted, the expanded storage space will be encrypted using the original encryption key.</li></ul>
</div>
<div class="section" id="rds_pg_scale_cluster__en-us_topic_0171122523_section3535102285710"><h4 class="sectiontitle">Scaling up a Primary DB Instance</h4><ol id="rds_pg_scale_cluster__en-us_topic_0171122523_ol4816555385651"><li id="rds_pg_scale_cluster__li17616348171"><span>Log in to the management console.</span></li><li id="rds_pg_scale_cluster__li146168481712"><span>Click <span><img id="rds_pg_scale_cluster__rds_modify_instance_name_en-us_topic_0192953815_image192529212293" src="en-us_image_0000001191211679.png"></span> in the upper left corner and select a region and a project.</span></li><li id="rds_pg_scale_cluster__li96167481711"><span>Click <strong id="rds_pg_scale_cluster__rds_modify_instance_name_b171171523153019">Service List</strong>. Under <strong id="rds_pg_scale_cluster__rds_modify_instance_name_b111722319302">Database</strong>, click <strong id="rds_pg_scale_cluster__rds_modify_instance_name_b15118152363010">Relational Database Service</strong>. The RDS console is displayed.</span></li><li id="rds_pg_scale_cluster__en-us_topic_0171122523_li683691813294"><span>On the <span class="uicontrol" id="rds_pg_scale_cluster__en-us_topic_scale_cluster_uicontrol59770215612"><b>Instances</b></span> page, locate the target DB instance and choose <span class="uicontrol" id="rds_pg_scale_cluster__en-us_topic_scale_cluster_uicontrol697982111611"><b>More</b></span> &gt; <span class="uicontrol" id="rds_pg_scale_cluster__en-us_topic_scale_cluster_uicontrol19801211367"><b>Scale Storage Space</b></span> in the <span class="uicontrol" id="rds_pg_scale_cluster__en-us_topic_scale_cluster_uicontrol2098110215613"><b>Operation</b></span> column.</span><p><p id="rds_pg_scale_cluster__en-us_topic_scale_cluster_p31671032597">You can also perform the following operations to scale up storage space:</p>

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<h1 class="topictitle1">Scaling up Storage Space</h1>
<div id="body8662426"><div class="section" id="rds_sqlserver_scale_cluster__section12164121514"><h4 class="sectiontitle">Scenarios</h4><p id="rds_sqlserver_scale_cluster__en-us_topic_0192953733_p18583743125018">If the original storage space is insufficient as your services grow, <span class="keyword" id="rds_sqlserver_scale_cluster__keyword152121956151012">scale up storage space</span> of your DB instance.</p>
<p id="rds_sqlserver_scale_cluster__en-us_topic_0192953733_p186623329562">The DB instance needs to preserve at least 15% of its capacity to work properly. The new minimum storage space required to make this instance available has been automatically calculated for you. You are advised to set alarm rules for the storage space usage by referring to <a href="rds_sqlserver_06_0002.html">Setting Alarm Rules</a>.</p>
<p id="rds_sqlserver_scale_cluster__en-us_topic_0192953733_p977882385017">For details about the causes and solutions of insufficient storage space, see <a href="rds_faq_0046.html">What Should I Do If My Data Exceeds the Available Storage of an RDS DB Instance?</a></p>
<p id="rds_sqlserver_scale_cluster__en-us_topic_0192953733_p186623329562">You are advised to set alarm rules for the storage space usage by referring to <a href="rds_sqlserver_06_0002.html">Setting Alarm Rules</a>.</p>
<p id="rds_sqlserver_scale_cluster__en-us_topic_0192953733_a9303b0396b0b4a60b481f52ba80cc9fd">RDS allows you to <span class="keyword" id="rds_sqlserver_scale_cluster__keyword4281016101110">scale up storage space</span> of DB instances but you cannot change the storage type. During the scale-up period, services are not interrupted.</p>
</div>
<div class="section" id="rds_sqlserver_scale_cluster__section18619499194"><h4 class="sectiontitle">Instance Becomes Read-Only When Storage Is Full</h4><p id="rds_sqlserver_scale_cluster__p169907655719">For details about the causes and solutions of insufficient storage space, see <a href="rds_faq_0046.html">What Should I Do If My Data Exceeds the Available Storage of an RDS DB Instance?</a></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="rds_sqlserver_scale_cluster__table591034184410" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Conditions under which an instance becomes read-only if it is out of storage</caption><thead align="left"><tr id="rds_sqlserver_scale_cluster__row16953420444"><th align="left" class="cellrowborder" valign="top" width="34.12%" id="mcps1.3.2.3.2.3.1.1"><p id="rds_sqlserver_scale_cluster__p6701030733">Storage Size</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.88000000000001%" id="mcps1.3.2.3.2.3.1.2"><p id="rds_sqlserver_scale_cluster__p119103454419">Condition</p>
</th>
</tr>
</thead>
<tbody><tr id="rds_sqlserver_scale_cluster__row13913434419"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="rds_sqlserver_scale_cluster__p10701830238">Any storage size</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><p id="rds_sqlserver_scale_cluster__p114888372538">If the available storage space is less than 5 GB, the instance becomes read-only.</p>
<div class="note" id="rds_sqlserver_scale_cluster__note975910331598"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="rds_sqlserver_scale_cluster__p77596331193">This rule takes precedence over other rules that can be used to set the instance read-only.</p>
</div></div>
</td>
</tr>
<tr id="rds_sqlserver_scale_cluster__row391372219232"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="rds_sqlserver_scale_cluster__p291410221239">Storage size is less than 1 TB.</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="rds_sqlserver_scale_cluster__ul10235428839"><li id="rds_sqlserver_scale_cluster__li9235728130">If the storage usage reaches 97%, the instance becomes read-only.</li><li id="rds_sqlserver_scale_cluster__li182356286315">If the storage usage decreases to 87%, the instance exits the read-only state.</li></ul>
</td>
</tr>
<tr id="rds_sqlserver_scale_cluster__row7101634174417"><td class="cellrowborder" valign="top" width="34.12%" headers="mcps1.3.2.3.2.3.1.1 "><p id="rds_sqlserver_scale_cluster__p970110303312">Storage size is greater than or equal to 1 TB.</p>
</td>
<td class="cellrowborder" valign="top" width="65.88000000000001%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="rds_sqlserver_scale_cluster__ul1281315301236"><li id="rds_sqlserver_scale_cluster__li381317301739">If the available storage space is less than 30 GB, the instance becomes read-only.</li><li id="rds_sqlserver_scale_cluster__li118134301936">If the available storage space is greater than or equal to 150 GB, the instance exits the read-only state.</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="rds_sqlserver_scale_cluster__section17604457192012"><h4 class="sectiontitle">Constraints</h4><ul id="rds_sqlserver_scale_cluster__ul166113117219"><li id="rds_sqlserver_scale_cluster__li15751834011">DB instances can be scaled up numerous times.</li><li id="rds_sqlserver_scale_cluster__li7356102612427">The maximum allowed storage is 4,000 GB. There is no limit on the number of scale-ups.</li><li id="rds_sqlserver_scale_cluster__li17758818402">For primary/standby DB instances, scaling up the primary DB instance will cause the standby DB instance to also be scaled up accordingly.</li><li id="rds_sqlserver_scale_cluster__li10753814011">You cannot reboot or delete a DB instance that is being scaled up.</li><li id="rds_sqlserver_scale_cluster__li67511894010">Storage space can only be scaled up.</li><li id="rds_sqlserver_scale_cluster__li17758824010">If you scale up a DB instance with disks encrypted, the expanded storage space will be encrypted using the original encryption key.</li></ul>
</div>
<div class="section" id="rds_sqlserver_scale_cluster__section5406175751315"><h4 class="sectiontitle">Procedure</h4><ol id="rds_sqlserver_scale_cluster__ol2021710151517"><li id="rds_sqlserver_scale_cluster__li17616348171"><span>Log in to the management console.</span></li><li id="rds_sqlserver_scale_cluster__li146168481712"><span>Click <span><img id="rds_sqlserver_scale_cluster__rds_modify_instance_name_en-us_topic_0192953815_image192529212293" src="en-us_image_0000001191211679.png"></span> in the upper left corner and select a region and a project.</span></li><li id="rds_sqlserver_scale_cluster__li96167481711"><span>Click <strong id="rds_sqlserver_scale_cluster__rds_modify_instance_name_b171171523153019">Service List</strong>. Under <strong id="rds_sqlserver_scale_cluster__rds_modify_instance_name_b111722319302">Database</strong>, click <strong id="rds_sqlserver_scale_cluster__rds_modify_instance_name_b15118152363010">Relational Database Service</strong>. The RDS console is displayed.</span></li><li id="rds_sqlserver_scale_cluster__li6217510155"><span>On the <span class="uicontrol" id="rds_sqlserver_scale_cluster__en-us_topic_scale_cluster_uicontrol59770215612"><b>Instances</b></span> page, locate the target DB instance and choose <span class="uicontrol" id="rds_sqlserver_scale_cluster__en-us_topic_scale_cluster_uicontrol697982111611"><b>More</b></span> &gt; <span class="uicontrol" id="rds_sqlserver_scale_cluster__en-us_topic_scale_cluster_uicontrol19801211367"><b>Scale Storage Space</b></span> in the <span class="uicontrol" id="rds_sqlserver_scale_cluster__en-us_topic_scale_cluster_uicontrol2098110215613"><b>Operation</b></span> column.</span><p><p id="rds_sqlserver_scale_cluster__en-us_topic_scale_cluster_p31671032597">You can also perform the following operations to scale up storage space:</p>