mdamd problem

lord_Niedzwiedz sir_Misiek w o2.pl
Wto, 3 Lis 2015, 16:12:11 CET


RAID 1.
Wypadła mi jedna partycja z macierzy. Macierz nie chciała się 
odbudowywać. Wymieniłem dysk na którym były bad sektory.

Dalej nie chce mi się odbudować. md1 oraz md3 idą.
Poniżej informacje z rekonstrukcji.

[root w dns2 ~]# cat /proc/mdstat
Personalities : [raid1]
md3 : active raid1 sda3[1]
       882570816 blocks [2/1] [_U]

md1 : active raid1 sda1[1]
       7815488 blocks [2/1] [_U]

md2 : active raid1 sda2[1]
       86373376 blocks [2/1] [_U]

unused devices: <none>
[root w dns2 ~]# df -h
System plików  rozm. użyte dost. %uż. zamont. na
/dev/md2         81G   45G   33G  58% /
run             2,5G  312K  2,5G   1% /run
devtmpfs        2,5G  8,0K  2,5G   1% /dev
/dev/md3        829G  561G  227G  72% /var/ftp
[root w dns2 ~]# cfdisk

[root w dns2 ~]# mdadm --manage /dev/md1 --add /dev/sdb1
mdadm: added /dev/sdb1
[root w dns2 ~]# cat /proc/mdstat
Personalities : [raid1]
md3 : active raid1 sda3[1]
       882570816 blocks [2/1] [_U]

md1 : active raid1 sdb1[2] sda1[1]
       7815488 blocks [2/1] [_U]
       [>....................]  recovery =  0.1% (13056/7815488) 
finish=19.8min speed=6528K/sec

md2 : active raid1 sda2[1]
       86373376 blocks [2/1] [_U]

unused devices: <none>
[root w dns2 ~]# cat /proc/mdstat
Personalities : [raid1]
md3 : active raid1 sda3[1]
       882570816 blocks [2/1] [_U]

md1 : active raid1 sdb1[0] sda1[1]
       7815488 blocks [2/2] [UU]

md2 : active raid1 sda2[1]
       86373376 blocks [2/1] [_U]

unused devices: <none>
[root w dns2 ~]# mdadm --manage /dev/md2 --add /dev/sdb2
mdadm: added /dev/sdb2
[root w dns2 ~]# cat /proc/mdstat
Personalities : [raid1]
md3 : active raid1 sda3[1]
       882570816 blocks [2/1] [_U]

md1 : active raid1 sdb1[0] sda1[1]
       7815488 blocks [2/2] [UU]

md2 : active raid1 sdb2[2] sda2[1]
       86373376 blocks [2/1] [_U]
       [>....................]  recovery =  0.5% (510272/86373376) 
finish=254.2min speed=5627K/sec

unused devices: <none>
[root w dns2 ~]# cat /proc/mdstat
Personalities : [raid1]
md3 : active raid1 sda3[1]
       882570816 blocks [2/1] [_U]

md1 : active raid1 sdb1[0] sda1[1]
       7815488 blocks [2/2] [UU]

md2 : active raid1 sdb2[2](S) sda2[1]
       86373376 blocks [2/1] [_U]

unused devices: <none>
[root w dns2 ~]# mdadm --detail /dev/md2
/dev/md2:
         Version : 0.90
   Creation Time : Sat Nov  8 14:06:55 2008
      Raid Level : raid1
      Array Size : 86373376 (82.37 GiB 88.45 GB)
   Used Dev Size : 86373376 (82.37 GiB 88.45 GB)
    Raid Devices : 2
   Total Devices : 2
Preferred Minor : 2
     Persistence : Superblock is persistent

     Update Time : Tue Nov  3 16:08:49 2015
           State : clean, degraded
  Active Devices : 1
Working Devices : 2
  Failed Devices : 0
   Spare Devices : 1

            UUID : ad96c3c7:6fb5b23a:0be776df:a7034ab0
          Events : 0.6226541

     Number   Major   Minor   RaidDevice State
        0       0        0        0      removed
        1       8        2        1      active sync   /dev/sda2

        2       8       18        -      spare   /dev/sdb2



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