Discover assets | In a SAN environment, NetBackup Snapshot Manager for Data Center for Data Center discovers the Volumes and LUNs that are created from storage volumes, as well as replication relationships of Volumes. Only LUNs whose status is online, read-write operations are enabled, and the Snapshot auto delete parameter is set to false, are discoverable. ["state":"online","vol_type":"rw"," is_snapshot_auto_delete_enabled": "false"]
In a SAN environment, NetBackup can discover only the snapshots that are created using Snapshot Manager for Data Center, the volumes having "CMD" in their attributes, and the volumes without host mappings discovered. In a NAS environment, NetBackup Snapshot Manager for Data Center discovers all the NFS shares and volumes with security style UNIX and mixed mode on the NetApp storage. It also discovers SMB shares with Windows security style. The shares must have an active junction_path configured so that NetBackup Snapshot Manager for Data Center can discover them. In a NAS environment, NetBackup Snapshot Manager for Data Center discovers all the Data Protection volumes with NFS shares, volumes with security style UNIX as well as mixed mode, and SMB shares with Windows security style. In a NAS environment, NetBackup discovers FlexGroup volumes. NetApp provides supports FlexGroup volumes as NAS shares. FlexGroup volume is a scale-out NAS container that provides high performance along with automatic load distribution and scalability.
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Create snapshot | In a SAN environment, NetBackup Snapshot Manager for Data Center takes a snapshot of the NetApp volumes and LUNs.
When NetBackup Snapshot Manager for Data Center initiates a LUN snapshot on the NetApp storage, it internally initiates a redirect-on-write (ROW) snapshot of the entire volume to which the LUN belongs. If the volume contains multiple LUNs, the snapshot includes data from all the LUNs that reside on that volume.
When a volume Snapshot is initiated on the NetApp Storage, it creates a redirect-on-write (ROW) snapshot of the entire volume and returns the snapshot data of that volume.
A typical snapshot created by NetBackup Snapshot Manager for Data Center has the following naming convention:
NB<unique_21digit_number> In a NAS environment, NetBackup Snapshot Manager for Data Center takes a snapshot of the NetApp NFS as well as SMB shares.
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Delete snapshot / Delete replicated snapshot | In a SAN environment, when you delete a LUN snapshot, NetBackup Snapshot Manager for Data Center internally deletes the snapshot of one or more volumes to which the LUN belongs. When you delete a volume snapshot, NetBackup Snapshot Manager for Data Center for Data Center deletes the snapshot corresponding to the volume. In a NAS environment, NetBackup Snapshot Manager for Data Center deletes the snapshot of the share.
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Restore snapshot | In a SAN environment, when you restore a LUN from a snapshot, NetBackup Snapshot Manager for Data Center only restores the particular LUN on which the restore is initiated. The LUN snapshot is a ROW snapshot of the underlying volume, and that volume can contain multiple additional LUNs. Even if the snapshot contains data from multiple LUNs, the restore is performed only for the selected LUN. The data on the other LUNs remains unchanged. When you restore a volume from a volume snapshot, NetBackup Snapshot Manager for Data Center restores the snapshot copy to the read-write volume. Replacing the current working copy of the volume that is all underlying LUNs of the volume with snapshot. This changes the volume state to that of the snapshot copy. In a NAS environment, NetBackup Snapshot Manager for Data Center restores the volume using the specified snapshot.
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Export snapshot / Export replicated snapshot | In a SAN environment, when a NetBackup snapshot export operation is initiated, NetBackup Snapshot Manager for Data Center creates a LUN from the snapshot and attaches it to the target host. The target host is assigned read-write privileges on the exported LUN. When a snapshot export operation is initiated for a Volume snapshot, NetBackup Snapshot Manager for Data Center creates a volume from the snapshot and attaches all the LUNs associated with the volume to the target. The export operation is supported using the following protocols: In a NAS environment, when a snapshot export operation is initiated, For the NFS Share snapshot, a new rule is created in the export policy and assigned to the exported snapshot that is available as a network share. The target host is assigned read-only privileges on the exported snapshot share. For the SMB Share snapshot, a new share is created from the snapshot, and the user and domain privileges to access the SMB Share created. The specified user must be within the domain provided. In a NAS environment, the export operation is supported using the NFS and SMB protocol. Note: You must enable access to a volume's Snapshot copy directory by editing the volume settings, or by editing the volume's share settings. Run the following command in the CLI: volume modify -vserver <SVM_name> -volume <vol_name> -snapdir-access true
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Deport snapshot / Deport replicated snapshot | In a SAN environment, when a snapshot deport operation is initiated, NetBackup Snapshot Manager for Data Center removes the LUN mapping from the target host and then deletes the LUN. In a NAS environment, when a snapshot deport operation is initiated. For NFS Share snapshots, Snapshot Manager for Data Center deletes the new rule created in the export policy when the snapshot was exported. For SMB Share snapshots, Snapshot Manager for Data Center deletes the SMB share created from the snapshot.
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Replicate snapshot | In a NAS environment, NetBackup Snapshot Manager for Data Center replicates a snapshot of the NetApp NFS and SMB shares to a destination target array. A typical replica snapshot created by NetBackup Snapshot Manager for Data Center has the name as that of the source snapshot name and naming convention:NB<unique_21digit_number> In a SAN environment, NetBackup Snapshot Manager replicates a snapshot of the NetApp volumes, associated to LUNs to respective destination volumes of array.
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Restore replica snapshot | NetBackup Snapshot Manager for Data Center (Point-In-Time) PIT restores for the replica snapshots are not supported for NAS and SAN environment. |
