Which of the following statements are correct about the high reliability architecture of Huawei's all-flash storage? (Multiple choice)

Which of the following statements are correct about the high reliability architecture of Huawei’s all-flash storage? (Multiple choice)

Which of the following statements are correct about the high reliability architecture of Huawei’s all-flash storage? (Multiple choice)
A . Tolerance for simultaneous failure of two controllers
B . Tolerating single engine priority
C . Tolerate the failure of 7 controls
D . Storage system components adopt dual redundant design

Answer: ABCD