Taking and Deleting HDFS Snapshots

To manage HDFS snapshots, enable an HDFS directory for snapshots.

Minimum Required Role: Replication Administrator (also provided by Full Administrator)

Taking Snapshots

  1. From the Clusters tab, select the CDH HDFS service.
  2. Go to the File Browser tab.
  3. Go to the directory with the snapshot you want to restore.
  4. Click the drop-down menu next to the full path name and select Take Snapshot.

    The Take Snapshot screen displays.

  5. Enter a name for the snapshot.
  6. Click OK.

    The Take Snapshot button is present, enabling an immediate snapshot of the directory.

  7. To take a snapshot, click Take Snapshot, specify the name of the snapshot, and click Take Snapshot. The snapshot is added to the snapshot list.

    Any snapshots that have been taken are listed by the time at which they were taken, along with their names and a menu button.

Deleting Snapshots

  1. From the Clusters tab, select the CDH HDFS service.
  2. Go to the File Browser tab.
  3. Go to the directory with the snapshot you want to delete.
  4. In the list of snapshots, locate the snapshot you want to delete and click .
  5. Select Delete.