我无法确定问题出在哪里。我看到我的两个驱动器...我移除了一个故障驱动器并安装了一个空驱动器。我以为我把它添加到了 raid 中,但它说它正在重建。
joshua@tree-nas:~$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md127 : active raid1 sdc[2](S) sdb[0]
1953513424 blocks super 1.2 [2/1] [U_]
unused devices: <none>
joshua@tree-nas:~$ sudo mdadm --examine /dev/sdc
/dev/sdc:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : 40b712ad:e014e9fb:db87b836:e4b78943
Name : tree-nas2:STORE
Creation Time : Fri Aug 23 07:04:04 2013
Raid Level : raid1
Raid Devices : 2
Avail Dev Size : 3907027120 (1863.02 GiB 2000.40 GB)
Array Size : 1953513424 (1863.02 GiB 2000.40 GB)
Used Dev Size : 3907026848 (1863.02 GiB 2000.40 GB)
Data Offset : 2048 sectors
Super Offset : 8 sectors
State : clean
Device UUID : 26e9cad3:049f0638:7401a39a:f81da93d
Update Time : Fri Mar 27 05:02:02 2015
Checksum : 56132f6a - correct
Events : 22632
Device Role : spare
Array State : A. ('A' == active, '.' == missing)
joshua@tree-nas:~$ sudo mdadm --examine /dev/sdb
/dev/sdb:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : 40b712ad:e014e9fb:db87b836:e4b78943
Name : tree-nas2:STORE
Creation Time : Fri Aug 23 07:04:04 2013
Raid Level : raid1
Raid Devices : 2
Avail Dev Size : 3907027120 (1863.02 GiB 2000.40 GB)
Array Size : 1953513424 (1863.02 GiB 2000.40 GB)
Used Dev Size : 3907026848 (1863.02 GiB 2000.40 GB)
Data Offset : 2048 sectors
Super Offset : 8 sectors
State : clean
Device UUID : d999fb65:e8c350d9:873eeb53:b33e27b6
Update Time : Fri Mar 27 05:02:02 2015
Checksum : bb5462cd - correct
Events : 22632
Device Role : Active device 0
Array State : A. ('A' == active, '.' == missing)
有人能帮我理解这两项检查的结果吗?请原谅我的无知。
我想我需要做的另一件事可能是完全删除旧驱动器......
mdadm --detail /dev/md127 的输出:
joshua@tree-nas:~$ sudo mdadm --detail /dev/md127
/dev/md127:
Version : 1.2
Creation Time : Fri Aug 23 07:04:04 2013
Raid Level : raid1
Array Size : 1953513424 (1863.02 GiB 2000.40 GB)
Used Dev Size : 1953513424 (1863.02 GiB 2000.40 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Fri Mar 27 05:02:02 2015
State : clean, degraded
Active Devices : 1
Working Devices : 2
Failed Devices : 0
Spare Devices : 1
Name : tree-nas2:STORE
UUID : 40b712ad:e014e9fb:db87b836:e4b78943
Events : 22632
Number Major Minor RaidDevice State
0 8 16 0 active sync /dev/sdb
1 0 0 1 removed
2 8 32 - spare /dev/sdc
答案1
这个问题处理相同的问题,其中指示可能是磁盘上的块错误。很久以前,我在运行 raid1 md 阵列时遇到了同样的问题。同步会在中途停止,内核日志中显示 IO 错误dmesg
。