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Vserver : Protection : Vaulting : Understanding vault technology : Data protection for Vserver namespace and root information
Data protection for Vserver namespace and root information
Backups to secondary volumes in SnapVault relationships between FlexVol volumes replicate only volume data, not the Vserver namespace or root information.
SnapVault relationships replicate only volume data. If you want to back up an entire Vserver to a SnapVault secondary volume, you must first create SnapVault relationships for every volume in the Vserver.
To provide data protection of the Vserver namespace information, you must manually create the namespace on the SnapVault secondary immediately after the first data transfer is completed for all of the volumes in the Vserver and while the source Vserver volumes are still active. When subsequent changes are made to the namespace on the source Vserver, you must manually update the namespace on the destination Vserver.
You cannot create the namespace for a Vserver on a SnapVault secondary volume if only a subset of the Vserver volumes are in a SnapVault relationship, or if only a subset of the Vserver volumes have completed the first data transfer.

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