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Dell NetWorker 19.9 Administration Guide

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Backup levels

You can specify the level of the backup to be performed during scheduled backups.

When you limit the frequency of full backups, you help maintain server efficiency while still ensuring that data is protected. Different backup levels enable you to balance the amount of time that is required to complete a backup with the number of volumes that are required to recover from a disk failure.

The following table describes the available backup levels.

Table 1. Backup levels
Backup level Function
Full Results in a back up of all files, regardless of whether the files have changed.
Incremental Results in the back up of the files that have changed since the last backup, regardless of the level of the last backup.
Cumulative incremental Results in the back up of all files that have changed since the last full backup.
Logs only Results in the back up of the transaction log for databases that are created by a NetWorker module. For example, the NetWorker Module for Databases and Applications, the NetWorker Module for Microsoft, or the NetWorker Module for SAP.
Synthetic full Results in the back up of all data that has changed since the last full backup and subsequent incremental backups, to create a synthetic full backup.
Skip Skips the scheduled backup. For example, you can skip a backup on a holiday if no one is available to change or add more media volumes.

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