When the communication between MDC and OSD is interrupted or the OSD is faulty, the OSD exits the storage pool. Then the OSD out-of-service alarm is reported.
Which of the following are the possible causes of this fault? (Multiple Choice)
A . A storage network exception occurs.
B . The disk in the server that houses the OSD is faulty.
C . The NVDIMM in the server that houses the OSD is faulty.
D . The OSD software is abnormal.
Answer: ABCD