Applies To: Hitachi NAS (VSP One File) Revision 12.0 or higher
You can use the backup external links feature to control what happens when a backup operation encounters links to files that have been moved to an external server, such as a cloud server.
Procedure
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From the CommCell Browser, go to client > NDMP > defaultBackupSet. 
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In the right pane, right-click the subclient, and then click Backup. The Backup Options dialog box appears. 
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On the Backup Options tab, click Advanced. The Advanced Backup Options dialog box appears. 
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On NAS Options tab, click the Backup External Links list and select one of the following options: - 
ignore: Links to external files are ignored and not included in the backup. 
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recreate_link: Metadata for links to external files will be included in the backup. Contents of the links to external files will not be backed up. 
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remigrate: Metadata and content for links to external files are included in the backup. This is the default behavior if no option is selected. 
 
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Click OK. 
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Select the backup type and schedule. 
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Click OK.