Which of the following RAS features, previously available only on POWER 7+ midrange and enterprise systems is now available on POWER8 scale-out servers?

A.
Active Memory Mirroring, which maintains two identical copies of the Power Hypervisor in memory at all times.

B.
A redundant Service Processor with the ability to dynamically fail over from the primary service processor to a secondary for solid service processor fault.

C.
An on-chip controller on the processor module, which handles Power Management and Thermal Monitoring without a need for a separate controller.

D.
Active Memory Sharing, which can be exploited to increase memory utilization on the system by decreasing the system memory requirement.