Backing up and restoring data

The procedures for backing up and restoring data are the same for DSE In-Memory data and on-disk data.

Use snapshots to manage backups and restores.

You can also use the OpsCenter Backup Service.

Always run nodetool cleanup before taking a snapshot for restore. Failure to do so causes replicas that have been superseded by new, valid replicas on newly added nodes to be copied to the target. This process causes unwanted old data to appear on the target.

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