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Using checkpoints to resume efficiency operation

You can use the checkpoints to periodically log the execution process of an efficiency operation. When an efficiency operation is stopped for any reason (such as system halt, system disruption, reboot, or because last efficiency operation failed or stopped) and checkpoint data exists, an efficiency operation can resume from the latest checkpoint file.

A checkpoint is created at the end of each stage or substage of the efficiency operation. When an efficiency operation scans the existing data in a volume, a checkpoint is created approximately every hour.