Nem Posted March 1, 2018 Share Posted March 1, 2018 I just upgraded to 6.4.1 and on my main dashboard I'm seeing warnings regarding a couple of drives and their SMART status The warning is UDMA CRC error count: 1 and CRC error count (no UDMA): 1 Can anyone explain what these errors mean, whether theyre serious, and what can be done about them? Quote Link to comment
JorgeB Posted March 1, 2018 Share Posted March 1, 2018 On 1/17/2018 at 4:38 AM, ljm42 said: Starting wth 6.4.1, unRAID now monitors SMART attribute 199 (UDMA CRC errors) for you. If you get an alert about this right after upgrading, you can just acknowledge it, as the error probably happened in the past. If you get an alert down the road, it is likely due to a loose SATA cable. Reseat both ends, or replace if needed. (see this) Quote Link to comment
neogemic Posted March 5, 2018 Share Posted March 5, 2018 (edited) And what do you do if the error still occurs even after replacing the Sata Cables? Edited March 5, 2018 by neogemic Quote Link to comment
John_M Posted March 5, 2018 Share Posted March 5, 2018 The count never gets reset to zero. It only ever increments. So acknowledge the error in the context menu in your first screenshot and it will only reappear if the count increases. If it does then you still have a problem. Quote Link to comment
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