Why is there a discrepancy between ASMCMD lsdg and du?

Oracle 19c

lsdg and v$asm_disk shows 13tb used for +DATA whereas du shows 1.6tb

No rebalancing is current happening.

v$asm_disk:

      Group Group Name                    State      Type      Total GB     Free GB UsableGB(Be4LossofDiskSpace)

------------ ------------------------------ ----------- ------ ------------ ------------ ----------------------------

          1 DATA                          CONNECTED  NORMAL       47190    33795.27                    15324.63

          2 FLASH                         MOUNTED    NORMAL     1490.44      884.63                      256.01

          3 RECO                          CONNECTED  NORMAL    62690.21    42218.77                    19019.71

          4 REDO                          CONNECTED  HIGH        745.23      530.23                      114.64

Total - free:

TSSPROD2PRD>select 47190-33795.27 from dual;

47190-33795.27

--------------

     13394.73

[grid ~]$ asmcmd lsdg

State   Type   Rebal Sector Logical_Sector Block      AU Total_MB  Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name

MOUNTED NORMAL N        512            512  4096 4194304 48322560 34606356         3221504       15692426             0            Y DATA/

MOUNTED NORMAL N        512            512  4096 4194304  1526208   905856          381552         262152             0            N FLASH/