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?