<p>The policy helps users to create snapshots automatically at a specified time after a specified period. It is suggested that you avoid business peak period to perform this operation. This article describes how to create a snapshot automatically.</p> <p><strong>Limitations</strong></p> <p>A maximum of 20 snapshots can be created for a single disk.</p> <p><strong>Procedures</strong></p> <p>1．Log in to the <a href="#https://yun.pingan.com/console/ecs/overview" target="_blank">ECS Console</a>.</p> <p>2．Click <strong>Images and Snapshots</strong> &gt; <strong>Snapshot Policy</strong> to enter the <strong>Snapshot Policy</strong> page.</p> <p>3．Select the target region, and in the upper-right corner click <strong>Create</strong>.</p> <p>4．On the <strong>Create Automatic Snapshot Policy</strong> page that opens, create an automatic snapshot policy as described in the following table.</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>Description</p> </td> <td style="vertical-align:top"> <p>Enter description, and it can contain Chinese characters, English letters, spaces, digits, at signs (@), underlines (_), and dashes (-), but not exceeding 128 characters.</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Scheduled type</p> </td> <td style="vertical-align:top"> <p>There are three repetition periods available: every day, every week and every month.</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Time</p> </td> <td style="vertical-align:top"> <p>We use 24-hour clock. Please enter 0-23 (integers only).</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Repetition day</p> </td> <td style="vertical-align:top"> <p>When the scheduled type is every week, you can select Monday to Sunday.</p> <p>When the scheduled type is every month, you can enter 1st to 28th of each month (integers only).</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Keep</p> </td> <td style="vertical-align:top"> <p>Enter the number of copies to be kept, and a maximum of 8 copies can be kept. When the number of snapshots of an EBS reaches the quota limit and you want to create a new snapshot, the system will delete the earliest automatic snapshot.</p> </td> </tr> </tbody> </table> <p>5．Click <strong>Confirm.</strong></p> <p><strong>Result</strong></p> <p>When the policy is successfully created, you can view the policy just created in the snapshot policy list.</p>