September 18, 20223 yr Over the last week I have had one parity and one array disk fail, I have tried to rebuild the currently drives as SMART was not showing any issues, both failed, I have switched cables and sata ports, still no luck. I have purchased 2 band new drives, I have managed to rebuild disk 4 of the array with a new drive, but Parity 1 still failing not sure why? Plus I have pulled the old drives out and put in another machine and run diagnostics and the drives are reporting as good?? Any thoughts? kaha-diagnostics-20220918-0958.zip
September 18, 20223 yr Community Expert Looks like parity disconnected as sdd and reconnected as sdi Connection problems on both parity and disk4, they are on different controllers. How are these connected to power?
September 18, 20223 yr Author All drives connected to onboard controller, power wise they are connected directly to power supply no add on connectors (learnt that lesson early).
September 19, 20223 yr Author Solution I am starting to think the same way, I have put in a new PSU and upped the wattage, and not only are the drives now working but the parity sync is running much faster than previously which I am not sure how that is possible but it performance is up by about 25-30%.
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