You have a /dev/md1 redundant array of independent disks (RAID) array on your system as
shown below:
[root@server1 ~]# cat /proc/mdstat
Personalities : [raid 5]
md1 : active raid5 sdd1[3] sdc1[1] sdb1[0]
594176 blocks level 5, 64k chunk, algorithm 2 [3/2] [UU_]
unused devices: <none>
The /dev/md1 RAID array is mounted on /data. You issued the command:
mdadm –fail /dev/md1 /dev/sdc1 /dev/sdb1
Which statements are true about the RAID array after you issue this command? (Choose all that
apply.)
A.
The kernel would report a Buffer I/O error on the RAID device /dev/md1.
B.
The RAID array would be destroyed but the data could be recovered from the RAID disks.
C.
The RAID array would be completely destroyed including the super block of the file system.
D.
The RAID array could be reconstructed using new RAID partitions that synchronize with the
/dev/sdd1 disk partition.