• Data Warehouse Service

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  2. Data Warehouse Service
  3. User Guide
  4. Managing Snapshots
  5. Setting the Automated Snapshot Policy

Setting the Automated Snapshot Policy

This section describes how to set the automated snapshot policy for a cluster. After the automated snapshot policy is enabled, the system automatically creates snapshots based on the preset time and period.

Setting the Automated Snapshot Policy

  1. Log in to the DWS management console.
  2. In the navigation tree on the left, click Cluster Management.
  3. In the cluster list, click the name of the cluster that you want to view. Then click Snapshots.
  4. On the Snapshots page, click the Automated Snapshot Status switch to enable the policy. The Snapshot Policy page is displayed.

    • indicates that the policy is enabled.
    • indicates that the policy is disabled (default).

  5. On the Snapshot Policy page, configure the following parameters:

    Figure 1 Configuring the snapshot policy

      

    Table 1 Parameter description

    Parameter

    Description

    Retention Days

    It is used to set the retention days of the snapshots that are automatically created. The value ranges from 1 to 10 days.

    NOTE:

    You cannot delete the snapshots that are automatically created. The system automatically deletes these snapshots when their retention duration expires.

    Start Time

    It is used to set the time when the automatic snapshot creation begins. The time must be set to an integer. The automatic creation task is triggered within one hour after the creation start time you set.

    Execution Period

    It is used to set the automatic snapshot creation cycle.

  6. Click OK.
  7. (Optional) Click Modify Snapshot Policy to modify the automatic creation policy you have enabled.