DjSamLb Posted March 5, 2020 Share Posted March 5, 2020 After using UNRAID with zero issues and loving it for so long, today I received that the monthly parity check returned 1194 errors I must add that this month I swapped out the cpu and added an SSD and a GPU passthroughed to a VM no other changes I also noticed that my second parity drive is connected via SATA2 and not 3 no idea if that has been all along or if it's having cable issues or maybe wrong port? Please find attached my diags tower-diagnostics-20200305-1020.zip Quote Link to comment
DjSamLb Posted March 5, 2020 Author Share Posted March 5, 2020 Also noticed that dual parity are not in sync in number of reads and writes I think I recall they were always in sync before? Quote Link to comment
JorgeB Posted March 5, 2020 Share Posted March 5, 2020 49 minutes ago, DjSamLb said: Also noticed that dual parity are not in sync in number of reads and writes That's normal, any unclean shutdown since previous check? Quote Link to comment
DjSamLb Posted March 5, 2020 Author Share Posted March 5, 2020 2 minutes ago, johnnie.black said: That's normal, any unclean shutdown since previous check? None, or at least not that I know of I should probably mention that the VM first was using the Cache but then due to heavy I/O I moved it to a dedicated SSD passhtroughed Dno if that might be the culprit Quote Link to comment
JorgeB Posted March 5, 2020 Share Posted March 5, 2020 1 minute ago, DjSamLb said: I should probably mention that the VM first was using the Cache but then due to heavy I/O I moved it to a dedicated SSD passhtroughed Parity is only for the array, so can't be that, I would suggest running a couple of more checks, if there are more errors there's definitely a problem. Quote Link to comment
DjSamLb Posted March 5, 2020 Author Share Posted March 5, 2020 1 minute ago, johnnie.black said: Parity is only for the array, so can't be that, I would suggest running a couple of more checks, if there are more errors there's definitely a problem. Ok will do that And if the exact same amount of errors that would be a one time thing? just run check with fix parity? Quote Link to comment
JorgeB Posted March 5, 2020 Share Posted March 5, 2020 17 minutes ago, DjSamLb said: And if the exact same amount of errors that would be a one time thing? Last check was already correct, no next one should find 0 errors. 1 Quote Link to comment
DjSamLb Posted March 5, 2020 Author Share Posted March 5, 2020 Ok already started it; will report back in 18 hours thanks a lot for the great help! 6 hours ago, johnnie.black said: Last check was already correct, no next one should find 0 errors. Quote Link to comment
DjSamLb Posted March 6, 2020 Author Share Posted March 6, 2020 @johnnie.black First run had zero errors Gonna do another run next week just to be sure Do u think it's a one time glitch? anything in the diags flagged? 16 hours ago, oliverm said: Thanks. Very interesting question. I have same problems. Did u try running more scans? Quote Link to comment
JorgeB Posted March 6, 2020 Share Posted March 6, 2020 2 hours ago, DjSamLb said: Do u think it's a one time glitch? anything in the diags flagged? There must be a reason for the errors, most obvious would be an unclean shutdown some time before this check, another possibility is one of the disks returning corrupted data, that's not supposed to happen but it is known to happen on some rare occasions. Quote Link to comment
DjSamLb Posted March 6, 2020 Author Share Posted March 6, 2020 1 minute ago, johnnie.black said: There must be a reason for the errors, most obvious would be an unclean shutdown some time before this check, another possibility is one of the disks returning corrupted data, that's not supposed to happen but it is known to happen on some rare occasions. So u think I have nothing to worry about? I'll still run another check next week just to be safe Thanks a lot for all the help! Quote Link to comment
JorgeB Posted March 6, 2020 Share Posted March 6, 2020 If it was an unclean shutdown you're fine, and it's the most likely, if it was a disk returning bad data not so good since there would be some data corruption, but like mentioned that is pretty rare. Quote Link to comment
trurl Posted March 6, 2020 Share Posted March 6, 2020 20 hours ago, oliverm said: Thanks. Very interesting question. I have same problems. If you want help you should start your own thread and post your diagnostics. Quote Link to comment
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