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我的硬盘当前的分区和挂载情况是:
[root@localhost /]# df -ah
文件系统 容量 已用 可用 已用% 挂载点
/dev/sda2 5.6G 1.9G 3.5G 35% /
none 0 0 0 - /proc
usbdevfs 0 0 0 - /proc/bus/usb
/dev/sda1 99M 9.3M 85M 10% /boot
none 0 0 0 - /dev/pts
none 62M 0 62M 0% /dev/shm
我又添加了同样的一块硬盘,并且用fdisk划分出一个相同的sdb2,内容如下:
[root@localhost /]# fdisk -l
Disk /dev/sda: 6442 MB, 6442450944 bytes
255 heads, 63 sectors/track, 783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 751 5927985 83 Linux
/dev/sda3 752 783 257040 82 Linux swap
Disk /dev/sdb: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb2 14 751 5927985 83 Linux
我的raid1配置文件内容如下:
[root@localhost /]# cat /etc/raidtab
# Sample raid-1 configuration
raiddev /dev/md0
raid-level 1
nr-raid-disks 2
nr-spare-disks 0
chunk-size 4
device /dev/sda2
raid-disk 0
device /dev/sdb2
raid-disk 1
在执行mkraid /dev/md0的时候出现如下问题,希望高手给予解答:
[root@localhost /]# mkraid /dev/md0
handling MD device /dev/md0
analyzing super-block
disk 0: /dev/sda2, 5927985kB, raid superblock at 5927872kB
/dev/sda2 is mounted
mkraid: aborted.
(In addition to the above messages, see the syslog and /proc/mdstat as well
for potential clues.)
请问怎样解决这个问题,这种情况下应该如何实现raid1镜像
我来回答