# cat /etc/raidtab
# mkraid /dev/md0 创建riad
# mkfs.ext3 /dev/md0 格式化
# mount /dev/md0 /opt 挂载到本地目录
# cp /etc/hosts /opt
# ls /opt
# vi /etc/fstab 编辑永久挂载文件
[root@localhost ~]# cp /usr/share/doc/raidtools-1.00.3/raid1.conf.sample /etc/raidtab
cp：是否覆盖‘/etc/raidtab’? y
[root@localhost ~]# vi /etc/raidtab
# Sample raid-1 configuration
raiddev /dev/md1
raid-level 1 ==>>riad1
nr-raid-disks 2 ==>>2快硬盘
nr-spare-disks 0 ==>>冗余硬盘数0
chunk-size 4
device /dev/sdb1 ==>>硬盘编号 sdb1
raid-disk 0
device /dev/sdc1 ==>>硬盘编号sdc1
raid-disk 1
:wq ==>>保存退出
[root@localhost ~]# lsraid -A -a /dev/md1 ==>> 检查raid及每块硬盘的状态
[dev 9, 1] /dev/md1 5CF4352C.D5380AE5.E6968435.61112EEA online
[dev 8, 17] /dev/sdb1 5CF4352C.D5380AE5.E6968435.61112EEA good
[dev 8, 33] /dev/sdc1 5CF4352C.D5380AE5.E6968435.61112EEA good
注释:online(在线) good(硬盘状态良好)
[root@localhost ~]# umount /media/sd1 要停止raid 首先要卸掉挂载
[root@localhost ~]# raidstop /dev/md1 停止raid1
[root@localhost ~]# rm /etc/raidtab 永久删除raid配置
rm：是否删除一般文件‘/etc/raidtab’? y
注释:如果只是用停止raid情况.在电脑重启以后会自动加载raid
文件.如果不使用raid必须直接删除raid文件
[root@localhost ~]# mkraid /dev/md0 ==>>创建RAID设备
handling MD device /dev/md0
analyzing super-block
disk 0: /dev/sdb1, 6289416kB, raid superblock at 6289344kB
/dev/sdb1 appears to be already part of a raid array -- use -f to
force the destruction of the old superblock
mkraid: aborted.
(In addition to the above messages, see the syslog and /proc/mdstat as
well
for potential clues.)
注释:创建RAID设备的时候如果出现以上提示.就是用
mkraid -R /dev/md0
[root@localhost ~]# mkraid -R /dev/md0
DESTROYING the contents of /dev/md0 in 5 seconds, Ctrl-C if unsure!
handling MD device /dev/md0
analyzing super-block
disk 0: /dev/sdb1, 6289416kB, raid superblock at 6289344kB
disk 1: /dev/sdc1, 6289416kB, raid superblock at 6289344kB
