Examine this MDAM output:
Which two aspects can be determined from this output?
A. A RAID device failed and has been replaced with the hot spare.
B. A new RAID device was just added to replace a failed one.
C. Read and write performance is currently not optimal on this RAID set.
D. Only write performance is currently not optimal on this raid set.
E. An extra device was added to this RAID set to increase its size.
A C