Hello,
Please let me know if in this situation detailed below, there are chances of restoring the RAID 10 array and how I can do it safely.
Thank you!
Liviu Petcu
# mdadm --examine /dev/sd[abcdef]2
/dev/sda2:
Magic : a92b4efc
Version : 0.90.00
UUID : df4ee56a:547f33ee:32bb33b1:ae294b6e
Creation Time : Fri Aug 14 12:11:48 2015
Raid Level : raid10
Used Dev Size : 1945124864 (1855.02 GiB 1991.81 GB)
Array Size : 5835374592 (5565.05 GiB 5975.42 GB)
Raid Devices : 6
Total Devices : 6
Preferred Minor : 1
Update Time : Thu Sep 19 21:05:15 2019
State : active
Active Devices : 4
Working Devices : 4
Failed Devices : 2
Spare Devices : 0
Checksum : e528c455 - correct
Events : 271498
Layout : offset=2
Chunk Size : 256K
Number Major Minor RaidDevice State
this 5 8 2 5 active sync /dev/sda2
0 0 8 18 0 active sync /dev/sdb2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 66 3 active sync /dev/sde2
4 4 8 82 4 active sync /dev/sdf2
5 5 8 2 5 active sync /dev/sda2
/dev/sdb2:
Magic : a92b4efc
Version : 0.90.00
UUID : df4ee56a:547f33ee:32bb33b1:ae294b6e
Creation Time : Fri Aug 14 12:11:48 2015
Raid Level : raid10
Used Dev Size : 1945124864 (1855.02 GiB 1991.81 GB)
Array Size : 5835374592 (5565.05 GiB 5975.42 GB)
Raid Devices : 6
Total Devices : 6
Preferred Minor : 1
Update Time : Thu Sep 19 21:05:15 2019
State : active
Active Devices : 4
Working Devices : 4
Failed Devices : 2
Spare Devices : 0
Checksum : e528c45b - correct
Events : 271498
Layout : offset=2
Chunk Size : 256K
Number Major Minor RaidDevice State
this 0 8 18 0 active sync /dev/sdb2
0 0 8 18 0 active sync /dev/sdb2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 66 3 active sync /dev/sde2
4 4 8 82 4 active sync /dev/sdf2
5 5 8 2 5 active sync /dev/sda2
/dev/sde2:
Magic : a92b4efc
Version : 0.90.00
UUID : df4ee56a:547f33ee:32bb33b1:ae294b6e
Creation Time : Fri Aug 14 12:11:48 2015
Raid Level : raid10
Used Dev Size : 1945124864 (1855.02 GiB 1991.81 GB)
Array Size : 5835374592 (5565.05 GiB 5975.42 GB)
Raid Devices : 6
Total Devices : 6
Preferred Minor : 1
Update Time : Thu Sep 19 21:05:16 2019
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 2
Spare Devices : 0
Checksum : e52ce91f - correct
Events : 271499
Layout : offset=2
Chunk Size : 256K
Number Major Minor RaidDevice State
this 3 8 66 3 active sync /dev/sde2
0 0 8 18 0 active sync /dev/sdb2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 66 3 active sync /dev/sde2
4 4 8 82 4 active sync /dev/sdf2
5 5 8 2 5 active sync /dev/sda2
/dev/sdf2:
Magic : a92b4efc
Version : 0.90.00
UUID : df4ee56a:547f33ee:32bb33b1:ae294b6e
Creation Time : Fri Aug 14 12:11:48 2015
Raid Level : raid10
Used Dev Size : 1945124864 (1855.02 GiB 1991.81 GB)
Array Size : 5835374592 (5565.05 GiB 5975.42 GB)
Raid Devices : 6
Total Devices : 6
Preferred Minor : 1
Update Time : Thu Sep 19 21:05:16 2019
State : clean
Active Devices : 4
Working Devices : 4
Failed Devices : 2
Spare Devices : 0
Checksum : e52ce931 - correct
Events : 271499
Layout : offset=2
Chunk Size : 256K
Number Major Minor RaidDevice State
this 4 8 82 4 active sync /dev/sdf2
0 0 8 18 0 active sync /dev/sdb2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 66 3 active sync /dev/sde2
4 4 8 82 4 active sync /dev/sdf2
5 5 8 2 5 active sync /dev/sda2
