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  1. Home
  2. Veritas NetBackup™ for Hadoop Administrator's Guide
  3. Performing backups and restores of Hadoop
  4. About restoring a Hadoop cluster
  5. Best practices for restoring a Hadoop cluster
Veritas NetBackup™ for Hadoop Administrator's Guide

Best practices for restoring a Hadoop cluster

When restoring a Hadoop cluster, consider the following:

  • Before you execute a restore job, ensure that there is sufficient space on the cluster to complete the restore job.

  • Update firewall settings so that the backup hosts can communicate with the Hadoop cluster.

  • Ensure that you have the valid certificates all the cluster nodes for a Hadoop cluster that is enabled with SSL (HTTPS).

  • Ensure that you have the valid PEM certificate file on the backup host.

  • Ensure that correct parameters are added in the hadoop.conf file for HTTP or HTTPS based clusters.

  • Ensure that the backup host contains a valid CRL that is not expired.

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Restoring Hadoop data on the same Hadoop cluster

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