Degraded volume, cant fix

[pmcnano]

Hello!

 

Yesterday my Xpenology with DSM 5.0 (HP Proliant Microserver Gen8) dropped a disk out of nowhere and got degraded. I unplugged the disk and plugged it back and turn on again.

 

I went to manage and repair the volume and it started repairing (the disk was fine btw). After it finished it still says degraded. I found some information in the forum but didnt work.

 

I have 4 x 3TB in SHR.

 

If I log into ssh mdstat throws the following:

 

md3 : active raid5 sdb6[5] sdd6[3] sdc6[2]
     2930228352 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/3] [u_UU]

md2 : active raid5 sda5[4] sdb5[5] sdd5[7] sdc5[6]
     5851086144 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/4] [uUUU]

md1 : active raid1 sda2[3] sdd2[2] sdc2[1] sdb2[0]
     522048 blocks [12/4] [uUUU________]

md0 : active raid1 sda1[3] sdb1[0] sdc1[1] sdd1[2]
     2489920 blocks [12/4] [uUUU________]

 

From the other post I read I tried to add sda6 to the md3 but it says it doesnt exist.

 

Any clue?

 

Paul