December 5, 20232 yr Hoping for some advice on my next steps. Il be honest, Disk 1 has had a few read errors for a while and probably best to replace it at this point. Wondering about the Parity though. I have done a non-correcting check and then a correcting check. Also ran an extended smart check on both returning no errors. Disk1_smart_test.txt nas-diagnostics-20231205-0846.zip parity_smart_test.txt
December 5, 20232 yr Both are logged as disk problems, I would try to replace disk1 first since that one looks worse, then if anymore read errors on parity replace it as well.
December 5, 20232 yr Author 3 minutes ago, JorgeB said: Both are logged as disk problems, I would try to replace disk1 first since that one looks worse, then if anymore read errors on parity replace it as well. Unfortuantly I think this is a result of an unclean shutdown. If I replace disk 1 first, could I expect some lost files at this point?
December 5, 20232 yr Click on each of your WD disks and add SMART attributes 1 and 200 for monitoring.
December 5, 20232 yr Author 16 minutes ago, trurl said: Click on each of your WD disks and add SMART attributes 1 and 200 for monitoring. OKay done.
December 6, 20232 yr 21 hours ago, mkono87 said: If I replace disk 1 first, could I expect some lost files at this point? Replace disk1 but keep original disk1 with its contents in case of problems.
December 6, 20232 yr Author 5 hours ago, trurl said: Replace disk1 but keep original disk1 with its contents in case of problems. If I were to just go ahead and get two bigger drives one for parity and one for disk 1, whats the best method of attack? Replace Disk 1 and just the other drive as a 2nd parity then remove it the other parity when its completed rebuilding?
December 6, 20232 yr Better to just do one at a time, if there are problems then doing both at once won't make things any better. 7 hours ago, trurl said: Replace disk1 but keep original disk1 with its contents in case of problems.
December 6, 20232 yr Author 1 minute ago, trurl said: Better to just do one at a time, if there are problems then doing both at once won't make things any better. Correct but if I bought two that are 8tb when the largest I have now is 4tb how does that work?
December 6, 20232 yr Parity swap procedure probably isn't going to be a good idea either if there are actual drive problems with existing parity. If you want to go to bigger parity then do that one first. You could do parity2 and disk1 rebuild at the same time but that would leave you with removing parity1 and running only parity2 since they are not interchangeable. In any case, 8 hours ago, trurl said: keep original disk1 with its contents in case of problems.
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