mdadm raid10 недостаточно устройств для запуска массива после 1 отказа диска

У меня есть массив RAID10 с 4 дисками. Один диск умер, и после перезагрузки невозможно запустить массив заново, это должно быть возможно с 3 функциональными дисками.

    mdadm -E /dev/sda1
/dev/sda1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x1
     Array UUID : b78c26dd:83cd0db4:dcbb957f:5e79695e
           Name : storage:1  (local to host storage)
  Creation Time : Wed Dec  6 08:54:26 2017
     Raid Level : raid10
   Raid Devices : 4

 Avail Dev Size : 7813771264 (3725.90 GiB 4000.65 GB)
     Array Size : 7813771264 (7451.79 GiB 8001.30 GB)
    Data Offset : 262144 sectors
   Super Offset : 8 sectors
   Unused Space : before=262056 sectors, after=0 sectors
          State : active
    Device UUID : d9a07747:3a5c4693:0aba4a4f:0038b731

Internal Bitmap : 8 sectors from superblock
    Update Time : Sun Aug 11 21:47:55 2019
  Bad Block Log : 512 entries available at offset 72 sectors
       Checksum : 7bb8bdef - correct
         Events : 39821

         Layout : near=2
     Chunk Size : 512K

   Device Role : Active device 0
   Array State : AA.A ('A' == active, '.' == missing, 'R' == replacing)


    mdadm -E /dev/sdb1
/dev/sdb1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x1
     Array UUID : b78c26dd:83cd0db4:dcbb957f:5e79695e
           Name : storage:1  (local to host storage)
  Creation Time : Wed Dec  6 08:54:26 2017
     Raid Level : raid10
   Raid Devices : 4

 Avail Dev Size : 7813771264 (3725.90 GiB 4000.65 GB)
     Array Size : 7813771264 (7451.79 GiB 8001.30 GB)
    Data Offset : 262144 sectors
   Super Offset : 8 sectors
   Unused Space : before=262056 sectors, after=0 sectors
          State : active
    Device UUID : d105194c:2afac78e:50ede2d7:628d7e36

Internal Bitmap : 8 sectors from superblock
    Update Time : Sat Aug 10 06:01:55 2019
  Bad Block Log : 512 entries available at offset 72 sectors
       Checksum : 9391a28 - correct
         Events : 39786

         Layout : near=2
     Chunk Size : 512K

   Device Role : Active device 3
   Array State : AA.A ('A' == active, '.' == missing, 'R' == replacing)

    mdadm -E /dev/sdc1
/dev/sdc1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x1
     Array UUID : b78c26dd:83cd0db4:dcbb957f:5e79695e
           Name : storage:1  (local to host storage)
  Creation Time : Wed Dec  6 08:54:26 2017
     Raid Level : raid10
   Raid Devices : 4

 Avail Dev Size : 7813771264 (3725.90 GiB 4000.65 GB)
     Array Size : 7813771264 (7451.79 GiB 8001.30 GB)
    Data Offset : 262144 sectors
   Super Offset : 8 sectors
   Unused Space : before=262056 sectors, after=0 sectors
          State : active
    Device UUID : c649b063:67fab687:ba608b89:d253a6be

Internal Bitmap : 8 sectors from superblock
    Update Time : Sun Aug 11 21:47:55 2019
  Bad Block Log : 512 entries available at offset 72 sectors
       Checksum : 5391c78d - correct
         Events : 39821

         Layout : near=2
     Chunk Size : 512K

   Device Role : Active device 1
   Array State : AA.A ('A' == active, '.' == missing, 'R' == replacing)


    mdadm --assemble --run --force -v /dev/md127 /dev/sda1 /dev/sdb1 /dev/sdc1
mdadm: looking for devices for /dev/md127
mdadm: /dev/sda1 is identified as a member of /dev/md127, slot 0.
mdadm: /dev/sdb1 is identified as a member of /dev/md127, slot 3.
mdadm: /dev/sdc1 is identified as a member of /dev/md127, slot 1.
mdadm: added /dev/sdc1 to /dev/md127 as 1
mdadm: no uptodate device for slot 4 of /dev/md127
mdadm: added /dev/sdb1 to /dev/md127 as 3 (possibly out of date)
mdadm: added /dev/sda1 to /dev/md127 as 0
mdadm: failed to RUN_ARRAY /dev/md127: Input/output error
mdadm: Not enough devices to start the array.

Я часами гуглял, но не могу найти решение своей проблемы. Последнее решение - воссоздать массив ...

У кого-нибудь есть идея?

0
задан 14 August 2019 в 11:23

0 ответов

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