A database instance is using an Automatic Storage Management (ASM) instance, which has a disk group, DGROUP1, created as follows:
What happens when the whole CONTROLLER1 Failure group is damaged?（）A:The transactions that use the disk group will halt.
B:The mirroring of allocation units occurs within the CONTROLLER2 failure group.
C:The data in the CONTROLLER1 failure group is shifted to the CONTROLLER2 failure group and implicit rebalancing is triggered.
D:The ASM does not mirror any data and newly allocated primary allocation units (AU) are stored in the CONTROLLER2 failure group.
出自：Oracle认证