number of CPU cores watched on Exadata ILOM and OS are different

Hi,

I see there are 2 sockets on each Exadata node and 24 cores on each socket when I looked at ILOM. Moreover, ILOM shows: "Total Cores: 24" and "Enabled Cores: 8" per socket.

When I do: "cat /proc/cpuinfo" on Linux, I see there are totally 32 cores per node as folowing:

$ cat /proc/cpuinfo | grep processor | wc -l

32

So, I confused about these numbers. 

Do we have: 2 sockets X 24 cores = 48 cores on each node?

Do we have: 2 sockets X 8 enabled cores = 16 enabled cores on each node? And what does enabled core mean? Are we utilizing 16 cores only?

Do we have 32 cores per node as I see on /proc/cpuinfo ?