FCINCRVERIFY specifies that DFSMSdss should verify the new and the existing Incremental FlashCopy direction before copying incremental changes. The new source volume is designated by the INDD/INDYNAM keyword and the new target is designated by the OUTDD/OUTDYNAM keyword on the copy command. If the new and the existing FlashCopy directions match what the user expected -- the same or reversed -- DFSMSdss will proceed to copy the incremental changes in the specified (new) direction. If the new and the existing FlashCopy directions do not match what the user expected, DFSMSdss will fail the copy task without copying the new increment.

When FCINCRVERIFY is specified and no Incremental FlashCopy relationship currently exists, DFSMSdss will fail the copy task without establishing a new FlashCopy relationship.

When FCINCRVERIFY is specified and an Incremental FlashCopy relationship exists between the specified volume pair, DFSMSdss will verify the FlashCopy directions before proceeding.