October 2, 20205 yr Hello, I'm attaching the diagnostics here. One of my 2 parity drives has read errors as does 1 of my 3 array drives. Funny, they are just shy of their warranty. Are these read errors a bad disk or something file system related? server-diagnostics-20201002-0739.zip
October 2, 20205 yr Community Expert It's a problem with the SATA controller, quite common on Ryzen boards, there are reports that the newer kernel on the latest betas help with those, or disable IOMMU if not needed.
October 2, 20205 yr Author 30 minutes ago, JorgeB said: It's a problem with the SATA controller, quite common on Ryzen boards, there are reports that the newer kernel on the latest betas help with those, or disable IOMMU if not needed. I wonder why it would just show up. I’ve hade this board for years. I may try and update the bios and see what that does. Then perhaps go to the latest beta. Yeah I need IOMMU. Thanks.
October 2, 20205 yr Author 7 minutes ago, JorgeB said: It usually happens during high i/o load, like a parity check. Yup. It happened right after. Had the board for at least 2 years and first time this happened.
October 2, 20205 yr Author So I upgraded the Bios, and upon booting no read errors were found. However, the 2 drives in question remain disabled. Spinning them back up does nothing. How do I re-enable them?
October 2, 20205 yr Community Expert Once a drive gets disable it must be rebuilt/re-synced: https://wiki.unraid.net/Troubleshooting#Re-enable_the_drive Make sure the emulated data drive is mounting and contents look correct before rebuilding on top.
October 2, 20205 yr Author As the parity drive is being rebuilt, I get another read error on one of the disks making it 3 out of 5 disks getting read errors. Is it possible the sata controller is going bad? Also, this is happening as the parity is being rebuilt. Do I risk any damage here? I can see the progress in the lower corner, but my main tab is not showing the array and rebuild info.
October 3, 20205 yr Community Expert 8 hours ago, Mlatx said: Is it possible the sata controller is going bad? Not likely, like mentioned above it's quite common with Ryzen boards during heavy i/o, suggest upgrading to beta before trying to rebuild.
October 3, 20205 yr Author Update: The parity rebuild completed successfully. The 3rd disk that gave an error during parity rebuild was fine once parity completed. The 2nd disk is being rebuilt. Hopefully the BIOS update helps and if not will upgrade to beta. Thanks for your help.
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