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Slow parity. Help please!

Featured Replies

Good evening everyone,
I started my tests with Unraid with proxmox, it was working so well that I decided to move on to the installation alone.
I removed proxmox from my machine, and installed unraid, as I didn't know how to do it properly, and apparently it worked well, the first “parity” synchronization was relatively quick, taking less than a day to complete, after other tests, I decided format the pendrive by backing up my key and start a kind of “clean install”. Then my problems started, the “parity” is extremely slow and I don't know what could be happening anymore.
Things I tried:
I used parity plugins to try to improve speed.
I did tests using diskspeed, apparently without any problems.
I took the preclear.
And nothing helped. Can you help me?

Unraid.png

diag.zip

Do you have any VM's or docker containers running during the scan?

 

If yes, better stop both services, then parity check will speed up.

  • Community Expert

Constant ATA errors with disk1, check/replace cables and retry.

  • Author
2 hours ago, JorgeB said:

Constant ATA errors with disk1, check/replace cables and retry.

Good morning, I'll take a look at night and I'll post the results here.

  • Author

 

Hello my friends, how are you? I continue to face problems. I've replaced all the SATA cables, could it be the power cables? The speed remains at 245kb, and it will take about 300 days to synchronize 8TB, I honestly don't know what else it could be. I even tried to clean the disks with gparted live, but everything remains the same. I tried "new config" and nothing worked, except now it shows that one HDD is not mountable. I'm quite new to this, I don't know how to proceed anymore, I'm going to attach a new diagnostic, I hope you can help me. Thank you.

Unraid1.png

anubis-diagnostics-20240312-1610.zip

  • Author

Hello my friends, how are you?

 

I'd like to share my experience so far. I don't know if I mentioned this, but I didn't have anything saved on Unraid; I was just testing. So, I removed the HDDs, took them to Windows, and used Disk Partition Assistant. I deleted all the partitions on the disks, created new ones, formatted them, and removed the disks. When they were put back into my server, they started to perform at a relatively satisfactory speed, given that I was previously at a very low speed. At this moment, it's at 190mb.

After more testing at this low speed and before finishing the "parity," I rebooted, and again the speeds became low, but a bit above what it was the first time (1mb).

I'm going to post the diagnostics here again, if you could help me.

 

Thank you.

anubis-diagnostics-20240313-0344.zip

  • Author

Good morning, I conducted some additional tests. The steps were: I formatted the HDDs in EXT4, then reformatted them through Unraid using the native function, and set them to synchronize. I can't seem to increase the speed, as I briefly managed to do last night. Could this HDD be defective, and should I send it in for RMA? I used Crystal Disk Info to check, and it shows as healthy. I'm almost considering reinstalling Unraid within Proxmox.

Best regards

anubis-diagnostics-20240313-0524.zip

  • Community Expert

Still issues with disk1, did you replace both cables? You can also swap with another disk.

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