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RN316 randomly freezing shared folder on 6.4.0
Hi, I upgraded a client's RN316 to firmware 6.4.0 about 2 days ago. The firmware update reported successful and all seemed ok for about half a day. Now the primary share (2.7TB) of data, has becom...
Do you have ssh enabled? If so, can you go in and run top to see if "[btrfs-cleaner]" shows up and is using lots of CPU? If so, then you may well be experiencing an issue that's been reported in other threads.
No way to go back, unfortunately.
There is an issue with the built in user group and network permissions but it sounds like your issue is unrelated.
I also have a 316 and I see an issue where windows explorer gets "stuck" when trying to open a folder in a share, if I cancel the request to open the folder and then double-click the folder to open it it opens the second time. This is extremely annoying. Possible similar to your issue. Take note Netgear.
Ir is of course possible that you have a disk problem unrelated to the firmware. Are the smart stats normal? Can you remove and test both drives with vendor tools?
Thanks for the quick reply vandermerwe!
Gaan ons op Saterdag wen? ;)
Not sure if it's related, but the Web Interface admin page also goes loopy at the same time as the shares lag - it just hangs for about 5 minutes and eventually comes up... slowly.
SMART status within the interface shows both drives as good. I haven't been able to remove the drives and test though...
It all went south after 6.4.0.
I was trying to figure out if something else on the LAN may be the cause - I have been scanning the logs on the switches - found one port with a ton of failed packets, so I am going to see what that is about tomorrow... could be flooding the LAN somehow maybe? Just grasping at straws here...
I will revert in the morning.
Thanks again for your help and time!
Do you have ssh enabled? If so, can you go in and run top to see if "[btrfs-cleaner]" shows up and is using lots of CPU? If so, then you may well be experiencing an issue that's been reported in other threads.
Howdy,
thx for the reply.
currently it is switched off in settings, but I can enable it.
Thereafter however, I am at a loss - I wouldn't know how to get in via SSH or where to look for btrfs-cleaner... could you possibly advise me?
Many thanks in advance.
http://kb.netgear.com/app/answers/detail/a_id/23096
Once enabled, you ssh into the NAS as "root" user and use the admin password.
Once you have a shell, use the "top" command, and you'll see something like this:
top - 02:07:03 up 1 day, 5:49, 2 users, load average: 1.29, 1.42, 1.68 Tasks: 215 total, 2 running, 213 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.1 us, 25.3 sy, 0.0 ni, 74.5 id, 0.2 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 16324816 total, 15779192 used, 545624 free, 3360 buffers KiB Swap: 2093052 total, 0 used, 2093052 free, 14271244 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2449 root 20 0 0 0 0 R 100.1 0.0 156:42.25 [btrfs-cleaner] 10075 root 20 0 3121m 275m 21m S 1.0 1.7 41:41.11 /apps/dvblink-tv-server/dvblink_server 15643 root 35 15 1872m 181m 10m S 0.3 1.1 0:49.99 Plex Plug-in [com.plexapp.system] /apps/plexmediaserver/B 17001 root 20 0 28616 3080 2548 R 0.3 0.0 0:30.30 top 20018 btaroli 20 0 263m 13m 10m S 0.3 0.1 0:00.14 /usr/sbin/smbd 2
Notice the "COMMAND" of the first line? That's what you're looking for. :)
To exit top, type "q". To disconnect from ssh session, simply use the command "exit".
If this all sounds scary, maybe wait for Netgear to make suggestions on how to proceed.
btaroli So the troublesome btrfs-cleaner was in fact hard at work taking up 97% CPU a lot of the time.
A user on another thread suggested a way to stop the process by disabling quotas from SSH, and that did the trick.
Now the device is running normally again - only thing is that the volume now shows "Free" and "Snapshots", no data... yet the share is there and working normally.
I worry about what may happen if btrfs-cleaner starts again...
This all became an issue from 6.4.0 onwards...
So it seems there isn't anything even plugged into the suspected LAN port on the switch, so that kinda rules that out.
Sporadic issues again today - share dropping randomly and freezing up PC's.
All I can see happening in the logs is old snapshots deleting on the hour.
Should I manually cleanup the snapshots?
Can I reload the same firmware (6.4.0) manually?
Just thinking of more options here...
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