6027-1905 name was not created by GPFS or could not be refreshed.
Explanation
The attributes (device type, major/minor number) of
the specified file system device name are not as expected.
User response
Check the preceding messages for detailed information
on the current and expected values. These errors are most frequently
caused by the presence of /dev entries that
were created outside the GPFS™ environment.
Resolve the conflict by renaming or deleting the offending entries.
Reissue the command letting GPFS create
the /dev entry with the appropriate parameters.