December 3, 20241 yr Hey there, my system reported errors on one disk during parity check. I canceled the parity check to lower stress on that drive so I can securely scatter the data from that disk to the other disks, because my plan is in order to secure the array again I am going to exchange the current parity with a 18TB drive and fill in the disk2 with the old parity drive. Before I commence, I wanted to ask if these errors are an indicator for a failing drive? I've done a short SMART selftest and the drive seems okay. Thanks for your input in advance!
December 3, 20241 yr Solution It's not logged as a disk problem, and SMART looks fine, so most likely a power/connection issue, check replace/cables and retry.
December 6, 20241 yr Author I've run 2 parity checks now. One correcting, one without. The disk still has its 856 Errors. Is there still something I should do? Here the diagnostics. dringenet-ms-diagnostics-20241206-1941.zip
December 6, 20241 yr Do you mean sync errors or read errors? Second parity check didn't find any errors.
December 7, 20241 yr If you restart the array they should go away (or maybe it needs a reboot, not sure).
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