PowerProtect Data Manager 19.18 Kubernetes User Guide

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Protection policy best practices

Before you create a protection policy, note the following best practices:

  • In the Protection Policies window, you can export protection policy data by using the Export button.

Understanding backup terminology and managing backup frequency

When scheduling backups in a protection policy, be aware of the following:

  • Different protection-policy types can use different terminology to describe available backup levels. This terminology can differ not only between protection-policy types, but also from traditional terminology.
  • To avoid high CPU usage that can lead to failure issues, do not schedule backups more often than recommended.

To understand the different backup levels to manage backup frequencies, see the following table.

Table 1. Backup terminology and frequencyBackup terminology and frequency
Protection-policy types Available backup levels Description Equivalent traditional terminology Recommended minimum backup interval
Kubernetes crash-consistent Full The namespace metadata and persistent volumes are backed up. Full Daily
Synthetic Full Only the data that has changed for persistent volumes on VMware first-class disks since the last synthetic-full or full backup is backed up. The namespace metadata and all other persistent volumes are backed up in full. Although not all the data is copied over the network, the result is still a full backup in storage. A combination of full and differential backups are performed, followed by a merge operation that produces a full backup in storage. 12 Hours
NOTE:In some situations, a full backup might be performed even though a synthetic-full backup was scheduled. Possible reasons for a full backup include the following:
  • There is no existing full backup.
  • The size of a volume has changed.
  • There has been a file path change.
  • The asset host has been rebooted.

If you attempt to add or edit a protection policy that uses an invalid backup frequency, PowerProtect Data Manager prevents you from saving the protection policy. You can increase the backup frequency of a protection policy by scheduling more full or synthetic-full backups with different retention times to meet your requirements.

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