ANTF0500E
FLASHCOPY ESTABLISH COMMAND FAILED FOR DEVICE device-info. PRESERVE MIRROR REQUIRED SPECIFIED, BUT THE TARGET IS NOT FULL DUPLEX.

Explanation

A FCESTABL command was entered as a Preserve Mirror Required operation, but PPRC pair of the specified target volume is not in a full duplex state.

System action

FlashCopy® command fails.

System programmer response

If the intent is to establish a FlashCopy relationship as a Preserve Mirror operation, correct the configuration issue and reissue the command.

Source

ESS FlashCopy