i don't see the 2TB LUNs ..Celerra either rejected them because of size or construct (number of drives in RAID group that comprise that LUN).  Could be some residual entries left in the database, if i were you i would open a ticket with support so it gets cleaned up.
I 'm getting an error when running NAS DB check-  /nas/tools/dbchk -wvxpVsWarning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_3', chain: '96'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_3', chain: '112'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_3', chain: '128'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_3', chain: '144'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_2', chain: '96'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_2', chain: '112'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_2', chain: '128'.Warning: Invalid / Empty storage system name or only non-disk luns are present  on server: 'server_2', chain: '144'.Error: unknown storage system for disk 'c96t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c112t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c128t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c144t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c96t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c112t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c128t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: unknown storage system for disk 'c144t0l0+DGC LUNZ 0428000000FFFFNI+'.Error: Supressing some error checks, correct previous errors and rerun.   Can someone help me what the problem is and how can I troubleshoot this?
error while running NAS DB check