You are being asked to confirm that you want to start the specified FlashCopy mapping. The Start FlashCopy mapping request initiates a FlashCopy task that replaces all of the data on the target VDisk. You can use the Viewing FlashCopy Progress panel to monitor the progress of the FlashCopy task after it has been submitted.
Click OK to start the specified FlashCopy mapping, or click Cancel to cancel the operation without starting the FlashCopy mapping.