实验二、软RAID搭建-基于linux系统搭建RAID10
实验要求：
sdk分四个区，利用分区创建RAID10。【磁盘分区】
fdisk /dev/sdk -m(help)n p 主分区 w 保存ls /dev/sdk* 查看
【创建raid10】
mdadm -C -v /dev/md10 -l 10 -n 4 /dev/sdk[1-4]
【查看保存配置】
mdadm -D /dev/md10 mdadm -Dsv >/etc/mdadm.conf
[root@zabbix ~]# mdadm -D /dev/md10/dev/md10: Version : 1.2 Creation Time : Thu Dec 17 12:16:16 2020 Raid Level : raid10 Array Size : 6281216 (5.99 GiB 6.43 GB) Used Dev Size : 3140608 (3.00 GiB 3.22 GB) Raid Devices : 4 Total Devices : 4 Persistence : Superblock is persistent Update Time : Thu Dec 17 12:54:35 2020 State : clean Active Devices : 4 Working Devices : 4 Failed Devices : 0 Spare Devices : 0 Layout : near=2 Chunk Size : 512K Consistency Policy : resync Name : zabbix:10 (local to host zabbix) UUID : 4e99859b:2ad20182:1d29721d:1c02db09 Events : 23 Number Major Minor RaidDevice State 0 8 161 0 active sync set-A /dev/sdk1 1 8 162 1 active sync set-B /dev/sdk2 2 8 163 2 active sync set-A /dev/sdk3 3 8 164 3 active sync set-B /dev/sdk4[root@zabbix ~]#
【查看阵列信息】
cat /proc/mdstat
【挂载】
【删除raid1中所有信息】
卸载raid1
umunt /dev/md1
停止raid1
mdadm -Ss
删除配置文件
rm -rf /etc/mdadm.conf
清空磁盘中的超级模块
mdadm --zero-superblock /dev/sd[d,e]
【设置开机自动挂载】
在/etc/fstab里面添加内容
[root@zabbix ~]# vim /etc/fstab ##/etc/fstabCreated by anaconda on Wed Oct 14 01:50:32 2020##Accessible filesystems, by reference, are maintained under '/dev/disk'#See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info#/dev/mapper/centos-root / xfs defaults 0 0 UUID=2b04605a-859c-4cdf-aec0-32560b9aebc6 /boot xfs defaults 0 0/dev/mapper/centos-swap swap swap defaults 0 0/dev/md0 /raid0 xfs defaults 0 0#/dev/md1 /raid1 xfs defaults 0 0/dev/md5 /raid5 xfs defaults 0 0/dev/md10 /raid10 xfs defaults 0 0 ~