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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com> Co-authored-by: wangdengke2 <wangdengke2@huawei.com> Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
185 lines
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185 lines
24 KiB
HTML
<a name="nosql_06_0003"></a><a name="nosql_06_0003"></a>
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<h1 class="topictitle1">Creating a <span id="en-us_topic_0000001092187220_text1785214811592">GeminiDB Cassandra</span> Instance</h1>
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<div id="body8662426"><p id="nosql_06_0003__en-us_topic_0000001092187220_p767855133318">This section describes how to <span id="nosql_06_0003__text19490475154"></span><span id="nosql_06_0003__text949184710154">create</span> a GeminiDB Cassandra instance on the <span id="nosql_06_0003__text1849104751513">GeminiDB</span> console.</p>
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<div class="section" id="nosql_06_0003__en-us_topic_0000001092187220_section81101358184718"><h4 class="sectiontitle">Procedure</h4><ol id="nosql_06_0003__en-us_topic_0000001092187220_ol07671952487"><li id="nosql_06_0003__en-us_topic_0000001092187220_li2057364417214"><span><a href="nosql_login.html">Log in to the GeminiDB console</a>.</span></li><li id="nosql_06_0003__en-us_topic_0000001092187220_l3af6a9cc8c404c93b5c915fc46a3aaac"><span>On the <strong id="nosql_06_0003__b1492201455217">Instances</strong> page, click <span class="uicontrol" id="nosql_06_0003__en-us_topic_0000001092187220_uicontrol1611517612546"><b><span id="nosql_06_0003__en-us_topic_0000001092187220_text35861855184414">Create DB Instance</span><span id="nosql_06_0003__en-us_topic_0000001092187220_text177246813457"></span></b></span>.</span></li><li id="nosql_06_0003__en-us_topic_0000001092187220_li102231416563"><span>On the displayed page, select your DB instance specifications and click <span class="uicontrol" id="nosql_06_0003__en-us_topic_0000001092187220_uicontrol11770145872313"><b><span id="nosql_06_0003__en-us_topic_0000001092187220_text37991236204716">Create Now</span><span id="nosql_06_0003__en-us_topic_0000001092187220_text725184584718"></span></b></span>.</span><p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="nosql_06_0003__en-us_topic_0000001092187220_table599010448595" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Basic information</caption><thead align="left"><tr id="nosql_06_0003__en-us_topic_0000001092187220_row199896445597"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.3.2.1.2.3.1.1"><p id="nosql_06_0003__en-us_topic_0000001092187220_p16989134411599">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.3.2.1.2.3.1.2"><p id="nosql_06_0003__en-us_topic_0000001092187220_p8989104412598">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="nosql_06_0003__en-us_topic_0000001092187220_row1498919447599"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p798974465913">Region</p>
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</td>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p11989154420590">The region where the tenant is located.</p>
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<div class="notice" id="nosql_06_0003__en-us_topic_0000001092187220_note698954418599"><span class="noticetitle"> NOTICE: </span><div class="noticebody"><p id="nosql_06_0003__en-us_topic_0000001092187220_p1998954411597">Select the region nearest where you will be accessing the DB from so latency can be kept to a minimum and response time will be faster. Also, products deployed in different regions cannot communicate with each other through a private network and you cannot change the region of an instance after creating the instance.</p>
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</div></div>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row2990124445916"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p1498913445596">DB Instance Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p20989104455917">The new name can be the same as an existing instance name. It must start with a letter and consist of 4 to 64 characters. Only letters (case-sensitive), digits, hyphens (-), and underscores (_) are allowed.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p59891616134314">After the DB instance is created, you can change the DB instance name. For details, see section <a href="nosql_03_0025.html">Changing a DB Instance Name</a>.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row499034412599"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p19990164495912">Compatible API</p>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p299094411596">Cassandra</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row202031434163815"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="nosql_06_0003__p682815240572">DB Instance Type</p>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p152031134173817">Cluster</p>
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<p id="nosql_06_0003__p19241792710">One cluster consists of at least three nodes. A cluster is easy to scale out to meet increasing data growth needs. A cluster is recommended if you have high requirements on availability, large volume of data, and future scalability.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row699016440598"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p1299014443595">DB Engine Version</p>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p1399015446594">3.11</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row179901448598"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p59901444135910">AZ</p>
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</td>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p369917201318">An AZ is a part of a region with its own independent power supplies and networks. AZs are physically isolated but can communicate through an internal network connection.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="nosql_06_0003__en-us_topic_0000001092187220_table16991844175914" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Specifications and storage</caption><thead align="left"><tr id="nosql_06_0003__en-us_topic_0000001092187220_row1599020449598"><th align="left" class="cellrowborder" valign="top" width="28.000000000000004%" id="mcps1.3.2.2.3.2.2.2.3.1.1"><p id="nosql_06_0003__en-us_topic_0000001092187220_p49901244195914">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="72%" id="mcps1.3.2.2.3.2.2.2.3.1.2"><p id="nosql_06_0003__en-us_topic_0000001092187220_p499054419596">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="nosql_06_0003__en-us_topic_0000001092187220_row69911447592"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.2.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p12990114415913">Instance Specifications</p>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.2.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p199901344115918">The CPU and memory of a DB instance.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p1199034455913">Performance specifications vary depending on the connections and maximum IOPS.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p11748102384512">After a DB instance is created, you can change its CPU and memory. For details, see <a href="nosql_03_0026.html">Changing the CPU and Memory of an Instance</a>.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row15071155114714"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.2.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p09911944135911">Nodes</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.2.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p63243431671">The number of nodes ranges from 3 to 200. Select the number of nodes based on the site requirements.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p332519431070">After a DB instance is created, you can add nodes. For details, see <a href="nosql_increase_nodes.html">Adding Nodes</a>.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row5991544195912"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.2.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p299119448594">Storage Space</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.2.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p9991544125920">The storage space varies depending on the instance specifications. The minimum storage is 10 GB. To scale up storage, you need to add at least 10 GB each time. The value must be an integer.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p0276103719467">After a DB instance is created, you can scale up its storage space. For details, see <a href="nosql_increase_storage.html">Scaling Up Storage Space</a>.</p>
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<p id="nosql_06_0003__p174817512617">When configuring storage space of a GeminiDB Cassandra instance, you are advised to enable autoscaling. Then set trigger conditions and limit of autoscaling. After autoscaling is triggered, the system automatically scales up the storage to ensure that the instance has sufficient storage and keeps available. </p>
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<div class="fignone" id="nosql_06_0003__fig69401752125613"><span class="figcap"><b>Figure 1 </b>Auto Scale</span><br><span><img id="nosql_06_0003__image3940205255619" src="en-us_image_0000002451073413.png" title="Click to enlarge" class="imgResize"></span></div>
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<p id="nosql_06_0003__p213624512166">Pay attention to the following parameters:</p>
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<ul id="nosql_06_0003__ul14921759434"><li id="nosql_06_0003__li849285916316"><strong id="nosql_06_0003__b44681135184411">Trigger If Available Storage Drops To</strong>: storage threshold for triggering autoscaling. When the available storage usage drops to this value or the available storage space drops to 10 GB, autoscaling is triggered.</li><li id="nosql_06_0003__li1460452210517"><strong id="nosql_06_0003__b1168317562283">Increase By</strong>: percentage of storage to be automatically added. If the increased storage is not a multiple of 10 GB, the system will round it up to the nearest multiple of 10 GB. At least 100 GB is added each time.</li><li id="nosql_06_0003__li18291632064"><strong id="nosql_06_0003__b195114456528">Storage Limit</strong>: maximum amount that the system can automatically scale up an instance's storage space to. The value must be no less than the current storage of your instance and cannot exceed the maximum storage supported by your instance.</li></ul>
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<div class="note" id="nosql_06_0003__note155264132318"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="nosql_06_0003__ul256618914269"><li id="nosql_06_0003__li1656620916265">Once autoscaling is enabled, an agency will be created and fees will be automatically deducted.</li><li id="nosql_06_0003__li1589771122612">You can enable autoscaling after an instance is created. For details, see <a href="nosql_increase_storage1.html">Configuring Autoscaling</a>.</li></ul>
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</div></div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="nosql_06_0003__en-us_topic_0000001092187220_table14992144465913" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Network</caption><thead align="left"><tr id="nosql_06_0003__en-us_topic_0000001092187220_row29923443598"><th align="left" class="cellrowborder" valign="top" width="28.000000000000004%" id="mcps1.3.2.2.3.2.3.2.3.1.1"><p id="nosql_06_0003__en-us_topic_0000001092187220_p1999117444599">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="72%" id="mcps1.3.2.2.3.2.3.2.3.1.2"><p id="nosql_06_0003__en-us_topic_0000001092187220_p10991184416596">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="nosql_06_0003__en-us_topic_0000001092187220_row799218441593"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.3.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p29921944115920">VPC</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.3.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p59921244195911">The virtual network where your DB instances are located. A VPC isolates networks for different services. You can select an existing VPC or create a VPC.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p3992134416591">If no VPC is available, the system creates one for you.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p99922445597">For details on how to create a subnet, see the "Creating a VPC" section in the <em id="nosql_06_0003__en-us_topic_0000001092187220_i119721627124320">Virtual Private Cloud User Guide</em>.</p>
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<div class="note" id="nosql_06_0003__en-us_topic_0000001092187220_note37891662489"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="nosql_06_0003__en-us_topic_0000001092187220_p073516494344">After the <span id="nosql_06_0003__en-us_topic_0000001092187220_text16497114716348">GeminiDB Cassandra</span> instance is created, the VPC where the instance resides cannot be changed.</p>
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</div></div>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row099234455913"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.3.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p1992444125916">Subnet</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.3.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p1999284475912">A subnet provides dedicated network resources that are logically isolated from other networks for network security.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row15992124416598"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.3.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p179925449596">Security Group</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.3.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p199244445913">A security group controls access between <span id="nosql_06_0003__en-us_topic_0000001092187220_text182614512287">GeminiDB</span> instances and other services. When you select a security group, you must ensure that it allows the client to access DB instances.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p699219443592">If no security group is available, the system creates one for you.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="nosql_06_0003__en-us_topic_0000001092187220_table29951944125910" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Database configuration</caption><thead align="left"><tr id="nosql_06_0003__en-us_topic_0000001092187220_row1799414419591"><th align="left" class="cellrowborder" valign="top" width="28.000000000000004%" id="mcps1.3.2.2.3.2.4.2.3.1.1"><p id="nosql_06_0003__en-us_topic_0000001092187220_p1199444416598">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="72%" id="mcps1.3.2.2.3.2.4.2.3.1.2"><p id="nosql_06_0003__en-us_topic_0000001092187220_p13994134411591">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="nosql_06_0003__en-us_topic_0000001092187220_row10994194425919"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.4.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p09941044195914">Administrator</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.4.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p18994744165910">The default administrator account is <strong id="nosql_06_0003__en-us_topic_0000001092187220_b8823184514440">rwuser</strong>.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row99950448590"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.4.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p1899454416591">Administrator Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.4.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p10995164417593">Set a password for the administrator. The password:</p>
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<ul id="nosql_06_0003__en-us_topic_0000001092187220_ul499554418593"><li id="nosql_06_0003__en-us_topic_0000001092187220_li1599544416597">Must be 8 to 32 characters long.</li><li id="nosql_06_0003__en-us_topic_0000001092187220_li899518449594">Must contain uppercase letters, lowercase letters, digits, and any of the following special characters: ~!@#%^*-_=+?</li><li id="nosql_06_0003__en-us_topic_0000001092187220_li799554412593">For security reasons, you must select a strong password. The system will verify the password strength.</li></ul>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p1599574405920">Keep this password secure. If you lose it, the system cannot retrieve it.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row1399594455918"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.4.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p499504425916">Confirm Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.4.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p12995124414593">Enter the administrator password again.</p>
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</td>
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</tr>
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<tr id="nosql_06_0003__en-us_topic_0000001092187220_row79771731014"><td class="cellrowborder" valign="top" width="28.000000000000004%" headers="mcps1.3.2.2.3.2.4.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p197811714103">Parameter Template</p>
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<td class="cellrowborder" valign="top" width="72%" headers="mcps1.3.2.2.3.2.4.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p689111461013">A parameter template contains engine configuration values that can be applied to one or more instances.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p62391234286">After a DB instance is created, you can modify parameters to better meet your service requirements. For details, see <a href="nosql_05_0003.html">Modifying a Parameter Template</a>.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="nosql_06_0003__en-us_topic_0000001092187220_table297513017320" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Tags</caption><thead align="left"><tr id="nosql_06_0003__en-us_topic_0000001092187220_row1397616014329"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.3.2.5.2.3.1.1"><p id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_p1770836856">Parameter</p>
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<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.3.2.5.2.3.1.2"><p id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_p4770136655">Description</p>
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<tbody><tr id="nosql_06_0003__en-us_topic_0000001092187220_row1797612015323"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.3.2.5.2.3.1.1 "><p id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_p1221015159617">Tags</p>
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<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.3.2.5.2.3.1.2 "><p id="nosql_06_0003__en-us_topic_0000001092187220_p874773375418">The setting is optional. Adding tags helps you better identify and manage your DB instances. You can add a maximum of <span id="nosql_06_0003__text145951410105"></span><span id="nosql_06_0003__text17595201014016">20</span> tags for each instance.</p>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_p791635119297">A tag is composed of a key-value pair.</p>
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<ul id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_ul73781026122214"><li id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_li103790268221">A tag key is mandatory if the instance will be tagged.<p id="nosql_06_0003__en-us_topic_0000001092187220_p17237151272415"><a name="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_li103790268221"></a><a name="en-us_topic_0000001092187220_en-us_topic_0085335437_li103790268221"></a>Each tag key is unique for each instance. The key can include up to 36 characters, including digits, letters, underscores (_), and hyphens (-).</p>
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</li><li id="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_li1240572613229">A tag value is optional if the instance will be tagged.<p id="nosql_06_0003__en-us_topic_0000001092187220_p79231957152518"><a name="nosql_06_0003__en-us_topic_0000001092187220_en-us_topic_0085335437_li1240572613229"></a><a name="en-us_topic_0000001092187220_en-us_topic_0085335437_li1240572613229"></a>The value can contain up to 43 characters, including digits, letters, underscores (_), periods (.), and hyphens (-).</p>
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</li></ul>
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<p id="nosql_06_0003__en-us_topic_0000001092187220_p127623466544">After a DB instance is created, you can view its tag details on the <strong id="nosql_06_0003__en-us_topic_0000001092187220_b1468912272147">Tags</strong> tab. In addition, you can add, modify, and delete tags for existing DB instances. For details, see <a href="nosql_03_0014.html">Managing Tags</a>.</p>
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</td>
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</table>
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</p></li><li id="nosql_06_0003__en-us_topic_0000001092187220_li315515819169"><span>On the displayed page, confirm the DB instance details.</span><p><ul id="nosql_06_0003__en-us_topic_0000001092187220_ul746550121514"><li id="nosql_06_0003__en-us_topic_0000001092187220_li355697184215">If you need to modify the specifications, click <strong id="nosql_06_0003__en-us_topic_0000001092187220_b1173333933516">Previous</strong> to return to the previous page.</li><li id="nosql_06_0003__en-us_topic_0000001092187220_li1046195031510">If you do not need to modify the specifications, click <strong id="nosql_06_0003__en-us_topic_0000001092187220_b212719563455">Submit</strong> to start creating the instance.</li></ul>
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</p></li><li id="nosql_06_0003__en-us_topic_0000001092187220_li8555624122111"><span>On the <strong id="nosql_06_0003__b72571657114419">Instances</strong> page, view and manage your DB instances.</span><p><ul id="nosql_06_0003__en-us_topic_0000001092187220_ul61312408319"><li id="nosql_06_0003__en-us_topic_0000001092187220_li19796193511234">Creating a DB instance takes about 5 to 9 minutes. During the process, the instance status displayed in the DB instance list is <strong id="nosql_06_0003__en-us_topic_0000001092187220_b2085812451487">Creating</strong>.</li><li id="nosql_06_0003__en-us_topic_0000001092187220_li514194093117">After the creation is complete, the status changes to <strong id="nosql_06_0003__en-us_topic_0000001092187220_b11347953104813">Available</strong>.<p id="nosql_06_0003__en-us_topic_0000001092187220_p726512254302">You can click <span><img id="nosql_06_0003__en-us_topic_0000001092187220_image157201771869" src="en-us_image_0000002417594324.png" title="Click to enlarge" class="imgResize"></span> in the upper right corner of the page to refresh the DB instance statuses.</p>
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</li><li id="nosql_06_0003__en-us_topic_0000001092187220_li1514154012313">During creation, an automated backup policy is enabled by default. A full backup is automatically triggered after a DB instance is created.</li></ul>
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</p></li></ol>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="nosql_02_0001.html">Getting Started with GeminiDB Cassandra</a></div>
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