Help Center/ MapReduce Service/ User Guide/ MRS Cluster O&M/ MRS Cluster Data Backup and Restoration/ Creating an MRS Cluster Data Backup Task
Updated on 2024-09-23 GMT+08:00
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Creating an MRS Cluster Data Backup Task

You can create backup tasks on Manager. Executing backup tasks backs up related data.

Creating a Data Backup Task (MRS 3.x and Later)

  1. Log in to FusionInsight Manager.
  2. Choose O&M > Backup and Restoration > Backup Management. On the page that is displayed, click Create.

    Figure 1 Creating a backup task.

  3. Set Backup Object to OMS or the cluster whose data you want to back up.
  4. Enter a task name in the Name text box.
  5. Set Mode to Periodic or Manual as required.

    Table 1 Backup types

    Type

    Parameter

    Description

    Periodic backup

    Start Time

    Indicates the time when a periodic backup task is started for the first time.

    Period

    Task execution interval. Value options are Hours and Days.

    Backup Policy

    The following policies can be selected:

    • Full backup at the first time and subsequent incremental backup
    • Full backup every time
    • Full backup once every n times

    Manual backup

    N/A

    You need to manually execute the task to back up data.

  6. Set required parameters in the Configuration area.

  7. Click OK to save the configurations.
  8. In the backup task list, you can view the created backup task.

    Locate the row that contains the target backup task, choose More > Back Up Now in the Operation column to execute the task immediately.

Creating a Metadata Backup Task (MRS 2.x and Earlier)

  1. Create a backup task.

    1. On MRS Manager, choose System > Back Up Data.
    2. Click Create Backup Task.

  2. Configure a backup policy.

    1. Set Name to the name of the backup task.
    2. Set Backup Mode to the type of the backup task. Periodic indicates that the backup task is periodically executed. Manual indicates that the backup task is manually executed.

      To create a periodic backup task, set the following parameters:

      • Started: indicates the time when the task is started for the first time.
      • Period: indicates the task execution interval. The options include Hours and Days.
      • Backup Policy: indicates the volume of data to be backed up in each task execution. The options include Full backup at the first time and incremental backup later, Full backup every time, and Full backup once every n times. If you select Full backup once every n times, you need to specify the value of n.

  3. Select backup sources.

    On the Configuration page, select the metadata option and set backup parameters. For details, see Backing Up Manager Data (MRS 2.x and Earlier).

  4. Click OK.
  5. In the Operation column of the created task in the backup task list, click Back Up Now if Backup Mode is set to Periodic or click Start If Backup Mode is set to Manual to execute the backup task.