if you are using dynamic_lun masking here is the command:  $ symmaskdb -sid 1234 list devs -wwn 21000024ff30cd71   Symmetrix ID        : 000190101234   Originator Port wwn : 21000024ff30cd71 User-generated Name : oracle/c1h2   Sym Dev                                               LUN Name    Dir:P  Physical Device Name     VBUS  TID  SYMM HOST  Attr  Cap(MB) ------  -----  -----------------------  ----  ---  ---- ----  ----  ------- 0093    14B:1  Not Visible                 0    0    7d   5b  (M)     69053 00C9    14B:1  Not Visible                 0    0   110   e0  (M)     34526 00EB    14A:1  Not Visible                 0    0    cd   b2  (M)    207158   HOST column number needs to be converted from HEX to DEC to give you the host ID that is visible in operating system.
Can you help to check Host Lun number from DMX
How to check host lun number on DMX