Formatting Failure (Error Code:107) – CH3MNAS

After multiple moves of the NAS, one drive failed. So my Raid 1 was gong.

Ordering a new disk and replacing the faulty one, gave me:

Formatting Failure (Error Code:107) (Restart)

I have fun_plug installed, so was able to ssh into the linux kernal of the disk.

root@CH3MNAS:~# mdadm --detail /dev/md0
/dev/md0:
 Version : 00.90.03
 Creation Time : Sat Jul 1 21:41:07 2017
 Raid Level : raid1
 Array Size : 1951407424 (1861.01 GiB 1998.24 GB)
 Device Size : 1951407424 (1861.01 GiB 1998.24 GB)
 Raid Devices : 2
 Total Devices : 1
Preferred Minor : 0
 Persistence : Superblock is persistent

Update Time : Fri Aug 11 13:46:28 2017
 State : clean, degraded
 Active Devices : 1
Working Devices : 1
 Failed Devices : 0
 Spare Devices : 0

UUID : deca97b0:e9d03d89:02b4d16e:e91b5409
 Events : 0.126622

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

Adding The New Hard Disk:

root@CH3MNAS:~# sfdisk -d /dev/sda | sfdisk /dev/sdb

root@CH3MNAS:~# mdadm –manage /dev/md0 –add /dev/sdb2

root@CH3MNAS:~# cat /proc/mdstat

root@CH3MNAS:~# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1]
md0 : active raid1 sdb2[2] sda2[0]
 1951407424 blocks [2/1] [U_]
 [>....................] recovery = 2.5% (49485376/1951407424) finish=263.8min speed=120113K/sec

Looking MUTCH better..

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