Originally posted by waxhead
View Post
I was dealing with one WD Red spitting out UNCs in a RAID10 btrfs setup. It seems the firmware does not immediately try to relocate them, so I just overwrote the offending LBA addresses. After a successful SMART Self-Test, a btrfs scrub corrected the files touched by the sectors I had overwritten.
Before I figured out what was happening (I need to stop procrastinating and set up an alert mail server in this box), btrfs would just restore the files from mirror when encountering an IO error. Hassle free.
Comment