Hello everyone,
thank you for your time, I hope you will be able to help me with my situation!
I have been running my Unraid server for roughly three years now without any issues. Until a couple of weeks ago...
So a couple of weeks ago I got a message, that one of my array disks has an error and cannot be read from. Since I had been contemplating expanding my storage anyway, I did not spend much time looking into the original error and just bought a bigger harddrive to replace the one with the error.
To to that, I
1) shut the server down (cleanly)
2) added the new drive to an empty slot in my case
3) pre-cleared the new disk (no issues/errors)
4) replaced the disks in the "Array Devices"
5) started the array and let the new disk rebuild
Everything seemed fine after that and I thought the problem was dealt with.
Sadly, after the next scheduled parity check, I got an error message that both of my parity drives have errors. Over 1000 each.
So I decided to rebuild the parity from the ground up. I'm hoping this wasn't a fatal mistake...
To rebuild the parity drives, I stopped the array and swapped the two parity drives with each other. After starting the array, Unraid started rebuilding the "new" parity drives. Btw, I also turned off Docker and the VM manager, as I thought it would be best to minimize data being written to the drives, while the parity is being rebuilt.
Once the parity was freshly rebuilt, I manually started a parity check, as I wanted to make sure that everything works fine. Which it did not! Again the parity drives reported over 1000 errors each.
I now got the option to start a "Read Check", which I did. It will take about 4 days though.
I attached a diagnostic.zip file, which I just now downloaded. I'm hoping someone will find useful information here. I certainly have no clue what to look for
Could you please help me with my next steps?
Should I run tests on the two parity drives, or should I wait for the "Read Check" to finish?
Did I mess up, or can the disks/data me salvaged?
Thank you very much for your support!!
Greetings from Vienna,
Nick
unraidserver-diagnostics-20230128-1727.zip