On Tue, Oct 29, 2019 at 07:53:46PM -0700, Marc MERLIN wrote: > I can wipe the whole drive, but this puts me in degraded mode for a > while without actually needing to be from what I can tell, so it's not > my first choice. Use mdadm --replace to get it out of your RAID without degrading it. Then you can safely use secure erase and other forms of scrubbing to see if it changes anything. > But wouldn't that show real errors when I'm reading the whole drive? > SMART Self-test log structure revision number 1 > Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error > # 1 Extended offline Completed without error 00% 21804 - > # 5 Extended offline Completed: read failure 10% 21731 3457756336 > #13 Extended offline Completed: read failure 10% 21562 2905616752 > 2 of 2 failed self-tests are outdated by newer successful extended offline self-test # 1 "Outdated" (few hours apart) is a very optimistic way of looking at these test results. At least it shows the drive didn't just invent those pending sectors. Regards Andreas Klauer
