CMMVC9406E The FlashCopy mapping or consistency group could not be started as a target volume has received I/O within the defined volume protection period.
Explanation
This error can occur when an attempt is made to start a FlashCopy mapping or consistency group when volume protection is enabled, and the protected volume received I/O operations within the defined volume protection time period.
User response
Ensure that no host I/O operations are being sent to the volume and ensure that you waited for the defined volume protection time period, or disable volume protection.