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no volumes after blackout on Readynas Duo V2
Ready NasDuo v2 with Radiator 5.3.13 with originally 2 HDD (X-Raid2)
After a power outage in the neighbourhood the NAS lost access to the volumes.
I have seen similar posts, but not a solution in the end that would apply for me.
I can start the NAS and open the admin-web interface. On the system page the volume tab is empty. On the shares page, all shares are still visible.
I took the HDDs out and placed them in my Windows machine and had a look with testdisk 7.1. I fear that I changed one of the disks so the NAS would not recognize it anymore. Anyway, the other disk is untouched and I searched it with various recovery tools. There are files there, but I won’t get the correct names and the structure back. The partitions seem to be in place as well as far as I can tell
Has anyone an idea what to do? Recreate or remount the volumes? Is that possible and if yes how?
I am not very familiar with Linux, but I could ask a friend for help if I get a better idea of the problem and the solution.
BR Ralph
ReclaiMe is expensive (in part because it supports BTRFS). Another tool you can try is R-linux for Windows (which is free). https://www.r-studio.com/free-linux-recovery/
Have you tried simply booting the NAS with only disk 2 installed? If that fails, you could try again with only disk 1 installed (powering down before moving disks).
It is important to clarify the model - many v1 owners mistakenly think they have a v2. Does your NAS say "ReadyNAS Duo v2" on the front panel?
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I started to run photorec which comes with testdisk 7.1 but stopped it after a while seeing that the file structure and names etc are not recovered.
I also triedReclaiMe (not purchased yet), which shows a Linux md-raid volume of the correct size. But the program freezes after 0.02% of the search (and finding 2 files)
I tried EaseUS Data recovery Wizard 15 (testversion), file recovery search brings up a list of more than 4TB of various files, but also a lot without any structure/name/timestamp. But the preview brings some of the files I am looking for. I also tried the NAS recovery but also no success. I think this tool is connecting to the NAS but the required services are not performed…at least it stops with an error.
I would really like to know, if it could be possible to get the volumes back or not. I have a backup from 6 month ago. So data-recovery with 4 TB of data without structure and proper timestamps won’t help me….
Any Idea what could be possible?
ReclaiMe is expensive (in part because it supports BTRFS). Another tool you can try is R-linux for Windows (which is free). https://www.r-studio.com/free-linux-recovery/
Have you tried simply booting the NAS with only disk 2 installed? If that fails, you could try again with only disk 1 installed (powering down before moving disks).
It is important to clarify the model - many v1 owners mistakenly think they have a v2. Does your NAS say "ReadyNAS Duo v2" on the front panel?
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