Dell NetWorker 19.9 Administration Guide

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Validating synthetic full backups

You can validate VSF backups by using the mminfo command, the Media window of the Administration interface, and the savegrp logs.

Validating synthetic full backups with the mminfo command

The following table lists the mminfo commands with applicable switches for validating synthetic full backups.

Table 1. mminfo commands for synthetic full backup validation
Command with switches	Description
mminfo –aS	Shows detailed information about synthetic full backups, including information about the save sets used to form the synthetic full backup.
mminfo –q syntheticfull –c `client` -N `save_set`	Queries all synthetic full save sets for the specified `client` and `save_set`.

Validating synthetic full backups in the Media window of the Administration interface

When you search for save sets in the Media window of the Administration interface, you can limit the save set results to synthetic full save sets by selecting the Synthetic Full checkbox on the Query Save Set tab. Searching for save sets provides instructions.

Validating synthetic full backups in the backup action logs

The following excerpt from the backup action log file illustrates the type of messages NetWorker displays when performing a synthetic full backup:

1707:97860:nsrconsolidate: Synthetic full save set hostname:/sat-tree at savetime 1358188522 was created by using non-virtual synthetic mode 95773:nsrrecopy: Virtual synthetic succeeded for hostname:/test1

Synthetic full backup reporting

The backup statistics and backup status reports provide details on synthetic full backups. A value of Synthetic in the Type column for the Save Sets Details report or the Save Sets Details by client report indicates that the backup is a synthetic full backup. Enterprise data reporting provides more information.