Updated on 2025-08-07 GMT+08:00

Scheduled System Disk Rebuilding

Scenarios

This section describes how to rebuild a system disk periodically for a cloud desktop or a desktop pool. For details about the impact and restrictions of system disk rebuilding on the system, see Rebuilding a System Disk or Rebuilding a System Disk.

Procedure

  1. Log in to the console.
  2. In the navigation pane, choose Tasks > Scheduled Tasks.

    The Scheduled Tasks page is displayed.

  3. Click Create Scheduled Task in the upper right corner of the page.

    The Create Scheduled Task page is displayed.

  4. Configure a scheduled task.

    • Task Type: Select System disk recomposing.
    • Task Name: This parameter is user-defined.
    • Rebuilding Method: The default value is Reinstall OS.
    • Execution Interval: You can select one of the following intervals:
      • Specified time: The time is accurate to seconds.
      • By day: You can specify Time, Executed Once Per, and Expires At.
      • By week: You can specify Weekday, Time, and Expires At.
      • By month: You can specify Month, Day, Time, and Expires At.
    • Time Zone: The local time zone is selected by default.
    • Description: This parameter is optional and user-defined.
    • Confirm System Disk Reinstallation: Enter Reinstall System Disk.

  5. Determine whether to notify users.

    • Yes: Set Earlier Than Scheduled Task to a value ranging from 1 to 10,080 minutes. Enter the notification, which can only be text in 1 to 400 characters.
    • No: Perform 6.

      Notification messages are available only for Windows.

  6. Click Next: Select Object.

    The page for selecting target objects is displayed.

    For the first time when you click Next: Select Objects, the authorization description will be displayed.

    Cloud service administrator permissions: Workspace supports scheduled system disk rebuilding and auto scaling. Therefore, the tenant administrator permissions are required.

    After the permission is granted (only once), an agency named workspace_admin_trust will be created in IAM. Do not delete or modify the agency when performing a scheduled task or using a desktop pool. For details, see Entrustment Description.

  7. Select All desktops, Desktop, Desktop pool, or Tag from the Available Objects drop-down list box, and select the objects to which the policy is to be applied in the list below.
  8. Click Create Now.