voicelex Posted December 28, 2019 Share Posted December 28, 2019 Hello, I've been using unraid for 2 years now and while I feel like I've learned a lot, I still feel very in the dark when it comes to drive health. I've been slowly getting an error or two for a while now and the number has added up. This is me ending my procrastination to figure it out. I've noticed these errors can be caused by a bad connection but I haven't opened the box in a long while. Happy to try swapping cables but in the meantime, I've attached my diagnostics file in the hope that I can be pointed towards some resources or given some advice on what to do. serenity-diagnostics-20191228-1404.zip Quote Link to comment
robobub Posted December 29, 2019 Share Posted December 29, 2019 (edited) That error means the data didn't transfer correctly, but it was able to correct itself. Since it's just that error and none of the other important fields have issues, I would just monitor it and see if it increases. It could've been some random issue at the time that no longer is occurring. If it is still increasing, try changing the SATA cable and make sure it's not wrapped around any power cables https://hardforum.com/threads/what-is-udma_crc_error_count.1558825/ Edited December 29, 2019 by robobub Quote Link to comment
JorgeB Posted December 29, 2019 Share Posted December 29, 2019 CRC errors are a connection problem, most times the SATA cable, but it can also be the controller, backplane, etc, start by replacing the SATA cable, and note that the attribute doesn't reset, so as long as it doesn't keep increasing the problem is solved. Quote Link to comment
voicelex Posted December 29, 2019 Author Share Posted December 29, 2019 I'll try replacing the cable and see how it goes. I usually see one new error every time I reboot or have some larger docker updates. I'll swap and report back. Quote Link to comment
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