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Parity Help!

Featured Replies

For the past couple of days, I have noticed some services offline when I go to access them. When I go look at my server homepage, it's running, but the parity has stopped and says 1 error. Where could i find this error, and what would I do to ensure it stops this behavior? 

 

Thanks! Please let me know what i need to post to be able to get help. I am semi new to the homelab scene, but I've been running for a little over a year with no issues. 

  • Community Expert
On 10/22/2024 at 1:01 AM, F0R3STLANE said:

but the parity has stopped and says 1 error.

What do you mean by this? Post a screenshot.

 

Also, btrfs is detecting data corruption, you should run memtest, and then a scrub.

  • Author
5 hours ago, JorgeB said:

What do you mean by this? Post a screenshot.

 

Also, btrfs is detecting data corruption, you should run memtest, and then a scrub.

Yes, so there is no real error or screenshot to show. The only thing I am able to see is when my whole house goes down, I run to my desktop to see that the Parity has stopped. When I start the Parity again, it would run a Parity check. I watched it run, it got to about 50-55%, and then I saw that the parity check basically ended. The parity would stay online and then stop again. I would do the same thing. Now it's time to figure out what's going on and get it fixed, so the parity will stay online. 

 

If there is possible Data corruption like you say, I will run the memtest and then when you say "scrub" what does this mean exactly? What would I run on the server? 

 

Thanks for your time and your help! The server and parity have been online for ongoing 9 hours now... 

What is odd is that your 'services' go offline and you see that parity is stopped with an 'error'

 

neither of these things should effect the other, if your parity was bad... the array would function as normal, thus your 'services/dockers' would continue as normal... 

 

Likely your issue is with the backend... ie PSU or motherboard... 

 

Have you recently added a new HDD, GPU? Are you sure that your PSU is stable and large enough to run your system?

Edited by mathomas3

  • Author
7 minutes ago, mathomas3 said:

What is odd is that your 'services' go offline and you see that parity is stopped with an 'error'

 

neither of these things should effect the other, if your parity was bad... the array would function as normal, thus your 'services/dockers' would continue as normal... 

 

Likely your issue is with the backend... ie PSU or motherboard... 

 

Have you recently added a new HDD, GPU? Are you sure that your PSU is stable and large enough to run your system?

You know what's funny.. Last night, as I was scratching my head trying to figure this all out, I went back there to open the server up. I noticed that the power supply is 650W and it's not a high end PSU.. I was already thinking about just buying  a new power supply and throwing it in there. No new HDD, there is a GTX 970 in there but i was thinking to remove it because it does not get used (to my knowledge).. 

Any other ideas?! Thanks for your answer too! 

IMO... pull the GPU and see if that makes things a stable, it might be enough to make things stable but given that it's likely not pulling much power(not being used) and your likely to add a HDD sometime down the road, I would opt to upgrade to a 800 watt PSU or higher

I was about to say that you could run a parity check to validate that you dont have enough power... but you have already run it... sooo... PSU upgrade is needed IMO

  • Author
5 minutes ago, mathomas3 said:

I was about to say that you could run a parity check to validate that you dont have enough power... but you have already run it... sooo... PSU upgrade is needed IMO

When i run the Parity checks, they are not able to finish.. its like they time out or something odd. I will start one, it will get to about 50-60% and then say its completed (shows 1 error) but i cant see what that error is. And then the parity wont be online.. i have to go in, start it up, and everything works.. VERY ODD!!! If a simple power supply does the trick, i will be very happy :) 

Thanks! 

Just now, F0R3STLANE said:

When i run the Parity checks, they are not able to finish.. its like they time out or something odd. I will start one, it will get to about 50-60% and then say its completed (shows 1 error) but i cant see what that error is. And then the parity wont be online.. i have to go in, start it up, and everything works.. VERY ODD!!! If a simple power supply does the trick, i will be very happy :) 

Thanks! 

Its likely the PSU... ie it's pulling the most power from the PSU when all the disks are spinning and reading/writing, thus it errors out... you could try pulling a HDD(moving data off of it, should you have enough free space) and removing the GPU... IMO that would be enough given you are likely on the knifes edge of what you need/have

 

but if you have the $$$ to spare for a new PSU... that's the easiest thing to do and have peace of mind

  • Author
40 minutes ago, mathomas3 said:

Its likely the PSU... ie it's pulling the most power from the PSU when all the disks are spinning and reading/writing, thus it errors out... you could try pulling a HDD(moving data off of it, should you have enough free space) and removing the GPU... IMO that would be enough given you are likely on the knifes edge of what you need/have

 

but if you have the $$$ to spare for a new PSU... that's the easiest thing to do and have peace of mind

Just ordered a 850W PSU and it will be here today! i will have it changed out today and pray for best results! 

2 minutes ago, F0R3STLANE said:

Just ordered a 850W PSU and it will be here today! i will have it changed out today and pray for best results! 

Feels odd when recommending others to spend money when there is a chance that you could be wrong even though you feel it's the best advice... Praying that it fixes the issue for you... Good luck

 

  • Author
12 minutes ago, mathomas3 said:

Feels odd when recommending others to spend money when there is a chance that you could be wrong even though you feel it's the best advice... Praying that it fixes the issue for you... Good luck

 

Dont feel that way. Only reason i went ahead and ordered was because i was having the same thoughts last night when i looked at it and noticed it was only 650W power supply and its a old one. I will throw this 850W in there and be good.. fingers crossed! 

 

The server / parity has been online going on 12 hours now. 

if anything you will have peace of mind that it's a good solid PSU

have you had any issues since upgrading the PSU?

  • Author
On 10/25/2024 at 7:42 PM, mathomas3 said:

have you had any issues since upgrading the PSU?

Hello! Soooo. I had one "unclean shutdown" since and i started the party again, ran the parity check and it went all the way thru with no errors. NOW, this morning, it stopped again. Saying Unclean Shutdown detected. No errors.. I do run a Debian VM on the server that hosts a game server for my son.. There is nothing "new" in the system.. I am not sure what i can do... 

 

Any advice would be GREAT! 
Thanks! 

My guess is that there was a power flick that caused  it to go down... do you use a UPS? Guessing not. I would recommend one but Im willing to guess that this is a one off... should this happen again soon, lets talk, but for now I think your good...

 

Hoping :)

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