<p>This article describes how to create a remote disaster recovery instance.</p> <p><span style="font-size:18px"><strong>Overview</strong></span></p> <p>You can create remote disaster recovery instances in the designated time segment to ensure high reliability of the business. When the region of a general instance fails to be connected, the business will switch to the remote disaster recovery instance to ensure normal operation of business.</p> <p><span style="font-size:18px"><strong>Prerequisites</strong></span></p> <p>You have successfully created a general instance. For more information, see <a href="http://pinganyun.com/ssr/help/database/RDS/User_Guide_RDS_PostgreSQL.Instance_Management.Create_Instance.Create_Common_Instance" target="_blank">Create a General Instance</a>.</p> <p><strong>Usage Guidelines</strong></p> <ol> <li>Only one remote disaster recovery instance can be created in each region.</li> <li>Its computing specifications and storage specifications are the same as those of the general instance by default.</li> </ol> <p><span style="font-size:18px"><strong>Procedures</strong></span></p> <p>1.&nbsp; Log in to the <a href="http://pinganyun.com/console/rds/overview" target="_blank">RDS Console</a>.</p> <p>2.&nbsp; In the left navigation pane, click <strong>RDS-PostgreSQL</strong> to enter the <strong>DBPaaS for RDS-PostgreSQL</strong> page.</p> <p>3.&nbsp; Select the target region.</p> <p>4.&nbsp; In the <strong>Operations </strong>column of the target general instance, click <strong>Manage</strong>. Select <strong>Information</strong> tab.</p> <p>5.&nbsp; On the <strong>Information</strong> tab, click <strong>CREATE SLAVE INSTANCE</strong> on the right side of the page and enter the <strong>Create Slave Instance</strong> page.</p> <p>6.&nbsp; In the area of <strong>Information of Main Instance</strong>, view and check the basic information of a general instance.</p> <p>7.&nbsp; In the area of <strong>Region</strong> and <strong>Availability Zone</strong>, create a disaster recovery instance based on the following information.</p> <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Configuration item</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Description</strong></p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Region</p> </td> <td style="vertical-align:top"> <p>It refers to the region of a remote disaster recovery instance. Please select a region that is different from that of the general instance.</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Availability Zone</p> </td> <td style="vertical-align:top"> <p>It refers to the availability zone of a remote disaster recovery instance.</p> </td> </tr> </tbody> </table> <p>8.&nbsp; Click <strong>Confirm Order</strong>.</p> <p>9.&nbsp; On <strong>Order Confirmation </strong>page, click <strong>CONFIRM OPEN</strong> to confirm purchasing information.</p> <p><span style="font-size:18px"><strong>Result</strong></span></p> <p><strong>Method 1:</strong></p> <ol> <li>On the <strong>Payment Result</strong> page, click <strong>VIEW ORDER </strong>to enter the <strong>Order Management</strong> page.</li> <li>The <strong>Status</strong> of target order is <strong>Finished</strong>.</li> </ol> <p><strong>Method 2:</strong></p> <p>In the left navigation pane, click <strong>RDS-PostgreSQL</strong>. On the <strong>DBPaaS for RDS-PostgreSQL</strong> page, select the region of the target remote disaster recovery instance. You can view the just created RDS PostgreSQL remote disaster recovery instance and its <strong>Instance Type</strong> is <strong>Slave Instance</strong> and <strong>Status</strong> changes from <strong>Pending</strong> into <strong>Running</strong>.</p> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200607145333-1e108da393cc.png" style="height:175px; width:830px" /></p>