MFC r205680: Use last 16 bytes of serial number in metadata instead of first ones, same as Intel MatrixRAID does.
MFC r205680:
Use last 16 bytes of serial number in metadata instead of first ones,
same as Intel MatrixRAID does.

PR:             kern/124064

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase