Anyone know what this system stat means cell physical IO interconnect bytes

Question

Hi All.
I can't find any documentation about "cell physical IO interconnect bytes" system stat - does anyone know what it signifies ?
Thanks
Dave
Class Name Value
64 cell physical IO interconnect bytes 1.160476804096E12
1 session logical reads 1.4572587197E10
8 free buffer requested 1.800353E8
1 CPU used by this session 1.8441013E7
8 hot buffers moved to head of LRU 9597137
8 physical write total IO requests 5319164
2 redo ordering marks 5082070
128 background timeouts 2907194
128 messages received 1752295
128 messages sent 1752246

Answer 1

  1* select name, value from gv$sysstat where name like '%physical IO%'
SQL> /
NAME                                              VALUE
cell physical IO interconnect bytes                      983887872
cell physical IO bytes saved during optimized file creation            0
cell physical IO bytes saved during optimized RMAN file restore        0
cell physical IO bytes eligible for predicate offload                 0
cell physical IO bytes saved by storage index                      0
cell physical IO interconnect bytes returned by smart scan            0
cell simulated physical IO bytes eligible for predicate offload        0
cell simulated physical IO bytes returned by predicate offload            0
8 rows selected.
SQL> select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE     11.2.0.1.0     Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production