Help! Have I lost everything? Volume data health changed from degraded to dead

Question

I don't normally post on forums but i'm literally close to throwing up right now. Whilst I have most data backed up the thought of losing so much is scaring me a lot.

My drives are using X-RAID on a RN314 and basically I've expanded my drive from:

Bay 1: 3TB

Bay 2: 3TB

Bay 3: 12TB

Bay 4: 12TB

and inserted another 12TB into slot 2 (i.e replacing one of those 3TB drives). It started resyncing and took the usual 8 hours and then the moment it had finished it reported this:

Volume: Volume data is resynced.

Volume: Volume data health changed from Degraded to Dead.

Disk: Disk in channel 1 (Internal) changed state from ONLINE to FAILED.

Disk: Disk in channel 2 (Internal) changed state from RESYNC to ONLINE.

I noticed my shares were still accessible but media files wouldn't play and it looked like the data couldn't really be copied locally. I then removed drive 1 since that was the one reporting problems. A few reboots later I now can't access anything and the volume looks to have gone (in volumes I now see 4 red drives and a message to remove four inactive volumes.

Anyone know what's happened and if I have any options!? There was no warnings or indication anything was wrong with the drive in bay 1 before I started this and I had recently done the same thing fine with bay 3 and 4 over the last 6 months so thought this would be plain sailing.

These are the logs after the ones above with a combination of removing drive 1, rebooting, replacing drive 1, rebooting:

Oct 14, 2020 10:07:43 PM		Disk: Disk Model:WDC WD30EFRX-68EUZN0 was added to Channel 1 of the head unit.
Oct 14, 2020 10:04:05 PM		System: ReadyNASOS background service started.
Oct 14, 2020 10:04:02 PM		System: Alert message failed to send.
Oct 14, 2020 10:04:02 PM		Volume: System volume root's usage is 87%. This condition should not occur under normal conditions. Contact technical support.
Oct 14, 2020 10:02:09 PM		System: The system is rebooting.
Oct 14, 2020 09:56:26 PM		Disk: Disk Model:WDC WD30EFRX-68EUZN0 was removed from Channel 1 of the head unit.
Oct 14, 2020 09:51:15 PM		System: ReadyNASOS background service started.
Oct 14, 2020 09:51:13 PM		System: Alert message failed to send.
Oct 14, 2020 09:51:13 PM		Volume: System volume root's usage is 87%. This condition should not occur under normal conditions. Contact technical support.
Oct 14, 2020 09:49:19 PM		System: The system is rebooting.
Oct 14, 2020 09:47:26 PM		Disk: Disk in channel 1 (Internal) changed state from RESYNC to ONLINE.
Oct 14, 2020 09:45:53 PM		Disk: Disk Model:WDC WD30EFRX-68EUZN0 was added to Channel 1 of the head unit.
Oct 14, 2020 09:29:29 PM		Disk: Disk Model:WDC WD30EFRX-68EUZN0 was removed from Channel 1 of the head unit.

StephenB · Answer

The best option is to contact Netgear paid support via my.netgear.com.
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The OS partition being nearly full might contribute to the problem, not sure.

googlyidiot · Answer

I attached all the drives to my pc and reclaime was able to find the array and I see all the data as a 16.7gb drive. Of course I have no ultimate license so no way to restore this (and equally nowhere to copy it to either!)

This gives me hope I could at least get the data back as all the drives clearly still work but it also makes me think that surely with some commands via putty this might be possible to rebuild??

googlyidiot · Answer

That should have said 16.7TB of course!

StephenB · Answer

googlyidiot&nbsp;wrote:This gives me hope I could at least get the data back as all the drives clearly still work but it also makes me think that surely with some commands via putty this might be possible to rebuild??
It's not clear whether your boot problem is a corrupted OS partition or a corrupted data volume. While I do have some theoretical knowledge of btrfs repair, I don't have practical experience (and Netgear has tools that can rebuild the OS partition).&nbsp; So I don't think I can give you much advice about putty, other than to look into tech support mode.&nbsp; There's another active thread on that here, where I did provide a couple of commands.
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One question for you is how much you care about the data?&nbsp; If you don't have the skills, then the possibility of doing more damage by attempting to repair the volume yourself is high.
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If you have no place to offload the data, then you could use paid netgear support - they normally restore the data in place.&nbsp;&nbsp;https://kb.netgear.com/69/ReadyNAS-Data-Recovery-Diagnostics-Scope-of-Service
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googlyidiot&nbsp;wrote:&nbsp;(and equally nowhere to copy it to either!)
Which of course is what led to the dilemma in the first place. RAID isn't enough to keep your data safe.&nbsp; If it is important to preserve it, you should invest in a backup plan after you get it back.&nbsp; USB disks are one approach that many folks use - two 10 TB USB drives would cost less than $400.&nbsp; You could also look into cloud backup.

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Help! Have I lost everything? Volume data health changed from degraded to dead

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