6027-1149 fileSystem is defined to have mount point mountpoint. There is already such a mount point in the cluster. Use mmchfs -T to assign a new mount point to the existing file system.
Explanation
The cluster into which the file system is being imported
already contains a file system with the same mount point as the mount
point of the file system being imported.
User response
Use the -T option of the mmchfs command
to change the mount point of the file system that is already in the
cluster and then rerun the mmimportfs command.