[Falcon99]

Запустил принудительно сканирование, ситуация улучшилась:

Код:

N12000:~# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath]
md0 : active raid10 sdb2[15] sda2[12] sdl2[11] sde2[14] sdi2[8] sdh2[7] sdg2[6] sdf2[5] sdj2[13] sdd2[3] sdc2[2]
      23426222976 blocks super 1.2 64K chunks 2 near-copies [12/11] [UUUUUUUUUU_U]

md50 : active raid1 sdb3[1] sda3[12] sde3[14] sdi3[8] sdh3[7] sdg3[6] sdf3[5] sdj3[13] sdd3[3] sdc3[2]
      524276 blocks super 1.2 [12/10] [UUUUUUUUUU__]

md10 : active raid1 sdb1[1] sda1[12] sde1[14] sdj1[13] sdi1[8] sdh1[7] sdg1[6] sdf1[5] sdl1[11] sdd1[3] sdc1[2]
      2096116 blocks super 1.2 [12/11] [UUUUUUUUUUU_]
N12000:~# mdadm -D /dev/md0
/dev/md0:
        Version : 1.2
  Creation Time : Wed Jan 15 10:39:13 2014
     Raid Level : raid10
     Array Size : 23426222976 (22340.99 GiB 23988.45 GB)
  Used Dev Size : 3904370496 (3723.50 GiB 3998.08 GB)
   Raid Devices : 12
  Total Devices : 11
    Persistence : Superblock is persistent

    Update Time : Mon Mar 11 09:02:27 2019
          State : clean, degraded
 Active Devices : 11
Working Devices : 11
 Failed Devices : 0
  Spare Devices : 0

         Layout : near=2
     Chunk Size : 64K

           Name : N12000:0  (local to host N12000)
           UUID : 10a5d87c:3a8c2422:f89f1d35:f7cd8007
         Events : 2681874

    Number   Major   Minor   RaidDevice State
      12       8        2        0      active sync   /dev/sda2
      15       8       18        1      active sync   /dev/sdb2
       2       8       34        2      active sync   /dev/sdc2
       3       8       50        3      active sync   /dev/sdd2
      13       8      146        4      active sync   /dev/sdj2
       5       8       82        5      active sync   /dev/sdf2
       6       8       98        6      active sync   /dev/sdg2
       7       8      114        7      active sync   /dev/sdh2
       8       8      130        8      active sync   /dev/sdi2
      14       8       66        9      active sync   /dev/sde2
      10       0        0       10      removed
      11       8      178       11      active sync   /dev/sdl2

Но новый диск так и не устанавливается.