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Safe to hard reboot while balancing is running?
I have upgraded my RN516 to 6.5.0 and some weird problem started. Logitechmediaserver didn't work anymore. After logging in I discovered the / filesystem was not writable because there seemed to be 'No space left on device'. There was stil 20% free, but obviously 'df' doesn't mean that much with btfs.
The problem seemed to be over 300.000 directories in /var/tmp all named systemd-private-XXXXX (some random string). All of them empty. After removing them, the filesystem was writable again.
Here I made a mistake; I thought it would be a good thing to do some balancing of the filesystem, but what I also wanted to do was give it a reboot; /var/tmp was filling up with systemd-private subdirs quickly, probably because of a (set of?) failing startup services. I started the balancing, forgot about it and tried to reboot the system a few hours later.
Now, almost 30 hours later; the system is pingable, but I can't do anything with it anymore. Disks are spinning, so I think it is still busy balancing.
I read that I can safely power off and on the NAS, but I wouldn't want to loose all my data.
What is the wise thing to do? I can wait a little while, but I really need the NAS back again.
Thank you for your help.
It's broken due to general packaging violations in the lms-1.08 package. Please purge it (`dpkg -P lms`) before doing anything else. For LMS functionality, you'll want to switch to the much nicer and cleaner "Logitech Media Server NT" package from our Apps library.
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The NAS is still busy and pingable, but it hasn't rebooted yet. I am about to power off and on the NAS, but fear loosing my data. I'm pretty sure the only thing it's doing is balancing and all other processes have died. I think reboot is just waiting for balancing to finish.
I hope that when I power cycle the NAS, services will become available again and balancing will continue.
Could someone advise me what to do please?
Decided to give the NAS a power cycle...
Now it's 'booting' for over 15 minutes and it seems to be stuck at 26%.
I fear it's dead...
I think this is a good time to look for a non-btrfs based NAS finally. No more Netgear for me. I'm having way too much troubles with this system.
The NAS is back online. Volume seems to be okay, but all my shares are missing.
Logging in to the device with ssh shows me everything is still there.
Probably I just have to recreate the shares and set all the permissions again.
Hope that's it.
I still think it would be better to buy myself an EXT4 based system like Synology to migrate all the stuff and get rid of the ReadyNAS.
Nothing personal, but support here has been so-so and the choice for btrfs has prove to be just plain wrong. I want to be able to completely rely on my storage. This 516 has been giving me nothing but trouble.
I had pretty much the exact same problem a year ago: I initiated a restart while a balance was running, which caused the system to hang. I eventually had to force reboot my system (after waiting two weeks!) and the end result was a damaged filesystem. I had to do a full reformat. I managed to salvage most but not all of the data, but it cost a lot of time.
I was told the problem with balance preventing reboots would be fixed in a future update. But I guess that hasn't been done. (This was on OS 6.2.2)
Balance doesn't prevent reboots. That had nothing to do with the issue here. This issue was the result of bad interaction between improperly-packaged apps and manually installed extra packages.
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