General logging and debugging

See About NetBackup for Hadoop debug logging.

Backup issues

See Troubleshooting backup issues for Hadoop data.

Restore issues

See Troubleshooting restore issues for Hadoop data.

To avoid issues also review the best practices

See Best practices for deploying the Hadoop plug-in.

See Best practices for backing up a Hadoop cluster.

See Best practices for restoring a Hadoop cluster.