) Which of the following are true about RAID? (Multiple Answers)
A. A RAID group can be regarded as storage space consisting of two or more disks. The available capacity of a RAID group is the sum of the capacity of disks in the group.
B. RAID improves the I/O performance of a storage system by concurrently reading and writing data on multiple disks.
C. When a disk is damaged, other disks in RAID 5 can still work properly, and the disk I/O performance is not affected.
D. Compared with RAID 5, RAID 6 has stronger data recovery capability, but weaker read/write capability of disks.
Answer:B
) Which of the following are true about RAID? (Multiple Answers)
A. A RAID group can be regarded as storage space consisting of two or more disks. The available capacity of a RAID group is the sum of the capacity of disks in the group. B. RAID improves the I/O performance of a storage system by concurrently reading and writing data on multiple disks. C. When a disk is damaged, other disks in RAID 5 can still work properly, and the disk I/O performance is not affected. D. Compared with RAID 5, RAID 6 has stronger data recovery capability, but weaker read/write capability of disks.