HELP – Data recovery afther sudden system fail.

[alexy.jano@gmail.com]

Hello,

couple of months ago I had a system crash on my asustor 202-TE.
I don't remember exactly what the situation was. I was hoping to restore the data on my linux machine (as before), but after a few nights with no luck, I'm giving up. I had some problems with the superblock. I'm not a linux user or any linux tech guy, I'm trying to fix this. Can you please advise me what to do?

Im trying to upload print screens from my "shell in the box" but with no luck (Sorry, the board attachment quota has been reached.)

here i uploadet all info i get from shell in the box:

https://drive.google.com/drive/folders/ ... sp=sharing

Thank you for any advice or help.
Jan

[Nazar78]

I don't see any issues with any of your screenshots, or maybe I missed something. What's the actual problem? Can you access the ADM Portal WebUI?

[alexy.jano@gmail.com]

Hello Nazar, thank you for you respond.
I have system on disk in Bay One, But i cant access the disk in bay two. My ADM portal is working fine. I also have access to ubuntu pc, if it helps.
I do not need to repair raid, just recover data from it, if it is possible.

Thank you

[Nazar78]

Your disk in bay two (physical:/dev/sdb or array:/dev/md2) is not shown in any of your screenshots. Check with the command `dmesg` to look for device "sdb" i.e. `dmesg|grep sdb`.

Code: Select all

root@Nimbustor4:~# dmesg|grep sdb
[    5.315348] sd 1:0:0:0: [sdb] 19532873728 512-byte logical blocks: (10.0 TB/9.10 TiB)
[    5.328437] sd 1:0:0:0: [sdb] 4096-byte physical blocks
[    5.328454] sd 1:0:0:0: [sdb] Write Protect is off
[    5.341767] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[    5.341794] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Is there any LED or sign of life (spinning/vibrations) for the 2nd bay disk? Try shutdown, inspect the disk in the 2nd bay. Check the connectors if there's any damage.

Is the 2nd disk detectable on your Ubuntu PC? If yes then probably something is wrong with your NAS 2nd bay slot. Then on the Ubuntu PC you can try assemble the array, mount and copy the data i.e. `mdadm --assemble --scan` or `mdadm --assemble /dev/md2 /dev/sdb4 --force`.

[alexy.jano@gmail.com]

Thank you. I will try it and let you know.