August 13, 20187 yr My parity disk is showing as having read errors in Fix Common Problems and errors under the main page: In the system log: Aug 13 15:34:43 Tower kernel: print_req_error: I/O error, dev sdg, sector 4983868568 Aug 13 15:34:43 Tower kernel: md: disk0 read error, sector=4983868504 I'd guess read errors at a couple of hundred sectors. The disk has not been disabled and both short and extended SMART tests have passed (disk smart report attached). I have performed two parity checks last check today finding 0 errors. Attached is also the full diagnostics. Am i right in saying that these bad sectors are likely to increase in number and that i should start thinking about replacing this disk? tower-smart-20180813-2018.zip tower-diagnostics-20180813-2019.zip Edited August 16, 20187 yr by sketchy Marked as solved
August 14, 20187 yr Community Expert That disk is failing, it might have passed SMART but there are a lot of raw read and multi zone errors, as well as UNC errors on the SMART report, you should replace it, IMO sooner rather than later.
August 14, 20187 yr Author Thankyou @johnnie.black for checking the smart report. I will replace this disk.
August 16, 20187 yr Author Incase this helps others. I received guidance under another thread to free up a data disk and use in place of the failing parity disk.
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