Resync Clone
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Important: The Save snapshot for later resync option is selected by default and creates a clone that can be resynchronized later with the parent virtual volume. If you deselect this option, the copy becomes a base volume (not a clone). A base virtual volume cannot be resynchronized later with the parent virtual volume.
When you have completed your choice, click Resync to start the action and close the dialog.
Learn more: Clones (physical copies).