Explanation
All FlashCopy mappings that are in a tree of connected mappings must have the same grain size. An
attempt was made to create a new FlashCopy mapping that links two existing trees that have different
grain sizes.
User Response
You have three options.
- Resubmit the command and specify a different source or target volume.
- Delete all of the existing mappings that contain the source volume and resubmit the
command.
- Delete all of the existing mappings that contain the target volume and resubmit the
command.