Backing up a NetBackup for Hadoop cluster
You can schedule a backup job with a NetBackup policy. Or, you can run a backup job manually. See the NetBackup Administrator's Guide, Volume I for details on manual backups.
See Create a BigData policy for Hadoop clusters.
An overview of the backup process is available.
See Backing up NetBackup for Hadoop data.
The backup process comprises of the following stages:
Pre-processing: In the pre-processing stage, the first backup host that you have configured with the BigData policy, triggers the discovery. At this stage, a snapshot of the complete backup selection is generated. The snapshot details are visible on the NameNode web interface.
Data transfer: During the data transfer process, one child job is created for each backup host.
Post-processing: As part of the post-processing, NetBackup cleans up the snapshots on NameNode.