Help Center > > User Guide> Managing an Existing Cluster> Backup and Restoration> Modifying Backup Tasks

Modifying Backup Tasks

Updated at: Mar 25, 2021 GMT+08:00

Scenario

You can modify the parameters of a created backup task on MRS to meet changing service requirements. The parameters of restoration tasks can only be viewed but cannot be modified.

Impact on the System

After a backup task is modified, the new parameters take effect when the task is executed next time.

Prerequisites

  • A backup task has been created.
  • A new backup task policy has been planned based on the actual situation.
  • You have synchronized IAM users (on the Dashboard tab page, click Click to synchronize on the right side of IAM User Sync to synchronize IAM users).
    Figure 1 IAM User Synchronization

Procedure

  1. On the cluster details page, choose Backups & Restorations > Backups.

    For MRS 1.8.10 or earlier, see Modifying a Backup Task. For MRS 3.0.2, see Modifying a Backup Task.

  2. In the task list, locate a specified task, click Modify in the Operation column to go to the configuration modification page.
  3. Modify task parameters on the page that is displayed.

    • The following parameters can be modified for manual backup:
      • Target Path
      • Max Number of Backup Copies
    • The following parameters can be modified for periodic backup:
      • Started
      • Period
      • Target Path
      • Max Number of Backup Copies
      • When Path Type is set to LocalHDFS, Target Path is valid for modifying a backup task.
      • After you change the value of Target Path for a backup task, full backup is performed by default when the task is executed for the first time.

  4. Click OK.

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