Readynas RN214 crashing a few minutes after booting.

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Marcus-BIP wrote:

I've booted the unit up in read only mode and it certainly stays alive longer, more than a few minutes, than in normal mode. So I'm assuming the problem is something is trying to write to the discs and causing the issue.

I gave the unit half an hour and then rebooted in normal mode. Same problem, as expected. However I tried to start disabling the snapshots but the unit crashed before any of the changes could be applied. Naturally I can't make changes in read-only mode so how would you suggest I proceed from here, please?

 

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I suggest booting up again in read-only mode, and then making a full backup of the NAS.  If you don't have the full log zip file, you could download it, and we can see if there are any more clues.  But the logs usually don't get much when the system crashes.

After the data is safe, I'd try an OS reinstall.  I'd judge the odds of success as low, but it is easy and safe to try.

The next step would be to test the disks.  Normally there is a disk test on the volume settings wheel, but that might not be available in read-only mode.  If that can't be run, you can test them in a Windows PC using vendor tools (Seagate's Seatools, or WD's Dashboard). Power down the NAS before removing disks for testing (and leave it powered down until the disks are reinserted).  I label my disks by slot as I remove them, so I can return them to the same slot.

Another path (painful) is to just do a factory default, recreate the share and config, and restore the files from the backup. If it is a failing disk, the factory default will likely fail.