使用提供的虚拟机和软件包，完成Raid磁盘阵列的创建。当前虚拟机存储在一个大小为20G的磁盘vdb，利用磁盘分区新建4个磁盘分区，每个大小为5 GB。用3个5 GB的分区来模拟一个名为md5，级别为raid 5，外加一个热备盘的磁盘阵列。创建完成后将mdadm -D /dev/md5的返回结果以文本形式提交到答题框。
答：[root@localhost ~]# mdadm -D /dev/md5
/dev/md5:
Version : 1.2
Creation Time : Sat Oct 5 13:17:41 2019
Raid Level : raid5
Array Size : 41908224 (39.97 GiB 42.91 GB)
Used Dev Size : 20954112 (19.98 GiB 21.46 GB)
Raid Devices : 3
Total Devices : 4
Persistence : Superblock is persistent
Update Time : Sat Oct 5 13:19:27 2019
State : clean
Active Devices : 3
Working Devices : 4
Failed Devices : 0
Spare Devices : 1
Layout : left-symmetric
Chunk Size : 512K
Consistency Policy : unknown
Name : localhost.localdomain:5 (local to host localhost.localdomain)
UUID : f51467bd:1199242b:bcb73c7c:160d523a
Events : 18
Number Major Minor RaidDevice State
0 8 16 0 active sync /dev/sdb
1 8 32 1 active sync /dev/sdc
4 8 48 2 active sync /dev/sdd
3 8 64 - spare /dev/sde