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kthread-data-b error

timw3333
Aspirant

kthread-data-b error

My ReadyNAS stop booting at 40% and console says "kthread-data-b".

 

Installed app is plex.

 

I have searched a sililar post here;

https://community.netgear.com/t5/Using-your-ReadyNAS/RN716X-LED-quot-kthread-data-b-quot-and-journal...

 

But the solution in the the thread is not clear.

I can not access ReadyNAS OS management screen from browser. And RAIDiator does not detect the target NAS. So I can not get log file.

Model: RN31664E|ReadyNAS 316 6-Bay
Message 1 of 10
StephenB
Guru

Re: kthread-data-b error

Did you try booting up read-only?

Message 2 of 10
timw3333
Aspirant

Re: kthread-data-b error

Thanks.

 

After booting with read-only mode, resync automatically started.

I hope this will fix my problem.

I will report after resync completes.

 

Regards,

Message 3 of 10
timw3333
Aspirant

Re: kthread-data-b error

After re-sync with read-only boot, I tried normal boot again. Error message still the same.

 

What should I do after re-sync with read-only boot?

Now second re-synctwith read-only boot is going on. 

Message 4 of 10
StephenB
Guru

Re: kthread-data-b error

After the resync, try downloading the log zip file.  I also recommend backing up your data.

 

  • What firmware are you running?
  • What apps/services are running?
  • Are you seeing issues with disk health (look at the SMART log in the zip file)?
Message 5 of 10
timw3333
Aspirant

Re: kthread-data-b error

Thanks.

 

I have already downloaded logs.

Firmware: 6.7.5

Installed App: Plex Media Server

Service: SMB,AFP,ReadyDLNA,UPnP,HTTP,HTTPS

All disk health seems OK.

 

 

Message 6 of 10
timw3333
Aspirant

Re: kthread-data-b error

System log reports that schedule balance started while shutting down. Error may be caused by this.

Message 7 of 10
StephenB
Guru

Re: kthread-data-b error


@timw3333 wrote:

System log reports that schedule balance started while shutting down. Error may be caused by this.


Perhaps.  Though it looks like there is lasting damage to the file system - which is why I recommended updating the backup.

Message 8 of 10
timw3333
Aspirant

Re: kthread-data-b error

Now second resync is copleted.

But read-only boot does not allow any other maintenance job (balance, defrag, scrub).

 

What else can I do except factory reset?

Message 9 of 10
StephenB
Guru

Re: kthread-data-b error

I'd do a backup now.

 

Then either use paid netgear support, or do the factory reset/restore data from backup.

Message 10 of 10
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