A Power 770 MMD with two CEC enclosures, 256GB of memory, and PCIe expansion drawers with SAS disk is
being upgraded to a Power E870.
Which of the following is a valid process to leverage the existing client investment and maintain the existing
serial number?

A.
Remove expansion drawers. Perform an MES upgrade of the memory and processor to POWER8. Migrate
disk to the E870 system nodes.

B.
Remove expansion drawers. Add EXP24S. Perform an MES upgrade of the memory and processor to
POWER8.

C.
Migrate expansion drawers. Perform an MES upgrade of the memory and processor to POWER8.

D.
Migrate expansion drawers. Migrate disk Perform an MES upgrade of the memory and processor to
POWER8.