> > However, I'd be somewhat worried that the "Offline uncorrectable > > sectors" are changing at all. It is one of the few values that has a > > strong predictive power of a spinning disk being faulty (see > > https://www.backblaze.com/blog/what-smart-stats-indicate-hard-drive- > failures/ > > ) but since you're on an SSD I don't know if it's predictive power is > > as good. > > If the uncorrectable error count were real, then I'd agree with > you 100%. However, since those values appear only once during the > early stages of a 24 hour fio job and don't appear again later with > higher numbers of erros, and because the ddcli interface to the flash > card shows no errors at all, I'm inclined to ignore them. The fio job > finished fine. and > > Device: /dev/sdb [SAT], 37009733189632 Offline uncorrectable sectors > > WARNING: Your hard drive is failing > > Device: /dev/sdc [SAT], 54275501719552 Offline uncorrectable sectors > > WARNING: Your hard drive is failing > > Device: /dev/sdd [SAT], 71987946848256 Offline uncorrectable sectors In hex, those are: 21A9_0000_0000 315D_0000_0000 4179_0000_0000 so they're clearly not real count values. Some program might be parsing fields incorrectly (e.g., off by 4 bytes). --- Robert Elliott, HPE Persistent Memory -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html