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What online backup and recovery is

Data ONTAP creates online data backups to enable online data recovery. Online backup data is stored on disks, or on array LUNs in the case of third-party storage, rather than on tape. Data stored on disk is available for quick restoring in the event that disaster recovery operations are necessary.

Online backup and recovery solutions include: Snapshot, SnapMirror, SnapRestore, SnapVault, SyncMirror, MetroCluster, the vol copy command, and the ndmpcopy command.

You can use these online data backup and recovery systems to supplement tape backup and recovery.