导读:操作步骤/方法1[root@linuxprobe~]#mdadm/dev/md0-f/dev/sdb2mdadm:set/dev/sdbfaultyin/dev/md03[root@linuxprobe~]#mdadm-D/dev/md04/dev/md0:5Version:1.26CreationTime:FriMay808:11:0020177RaidLevel:raid108ArraySiz...
操作步骤/方法
1
[root@linuxprobe~]#mdadm/dev/md0-f/dev/sdb
2
mdadm:set/dev/sdbfaultyin/dev/md0
3
[root@linuxprobe~]#mdadm-D/dev/md0
4
/dev/md0:
5
Version:1.2
6
CreationTime:FriMay808:11:002017
7
RaidLevel:raid10
8
ArraySize:41909248(39.7GiB42.92GB)
9
UsedDevSize:20954624(19.8GiB21.46GB)
10
RaidDevices:4
11
TotalDevices:4
12
Persistence:Superblockispersistent
13
UpdateTime:FriMay808:27:182017
14
State:clean,degraded
15
ActiveDevices:3
16
WorkingDevices:3
17
FailedDevices:1
18
SpareDevices:0
19
Layout:near=2
20
ChunkSize:512K
21
Name:linuxprobe.com:0(localtohostlinuxprobe.com)
22
UUID:f2993bbd:99c1eb63:bd61d4d4:3f06c3b0
23
Events:21
24
NumberMajorMinorRaidDeviceState
25
0000removed
26
18321activesync/dev/sdc
27
28482activesync/dev/sdd
28
38643activesync/dev/sde
29
0816-faulty/dev/sdb
30
因为RAID10级别的磁盘阵列组允许一组RAID1硬盘组中存在一个故障盘而不影响使用,所以同学们此时可以尝试下在/RAID目录中正常的创建或删除文件都是不受影响的。当购买了新的硬盘存储设备后再使用mdadm命令来予以恢复即可,但因为虚拟机模拟硬盘的原因需要重启后才把新的硬盘添加到RAID磁盘阵列组中。
31
[root@linuxprobe~]#umount/RAID
32
[root@linuxprobe~]#mdadm/dev/md0-a/dev/sdb
33
[root@linuxprobe~]#mdadm-D/dev/md0
34
/dev/md0:
35
Version:1.2
36
CreationTime:MonJan3000:08:562017
37
RaidLevel:raid10
38
ArraySize:41909248(39.7GiB42.92GB)
39
UsedDevSize:20954624(19.8GiB21.46GB)
40
RaidDevices:4
41
TotalDevices:4
42
Persistence:Superblockispersistent
43
UpdateTime:MonJan3000:19:532017
44
State:clean
45
ActiveDevices:4
46
WorkingDevices:4
47
FailedDevices:0
48
SpareDevices:0
49
Layout:near=2
50
ChunkSize:512K
51
Name:localhost.localdomain:0(localtohostlocalhost.localdomain)
52
UUID:d3491c05:cfc81ca0:32489f04:716a2cf0
53
Events:56
54
NumberMajorMinorRaidDeviceState
55
48160activesync/dev/sdb
56
18321activesync/dev/sdc
57
28482activesync/dev/sdd
58
38643activesync/dev/sde[
59
root@linuxprobe~]#mount-a
END
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