On Fri, Jan 28, 2022 at 03:44:13PM -0500, Michael Stone wrote: [...]
> The failure mode for these cards is typically that the whole thing goes > away, not that a single sector goes bad. As soon as one starts acting flaky, > just toss it. FWIW, I've an USB stick here (128GB) with an EXT4 file system on it (no partitions). The file system has errors after the stick has been quiescent fot a while (days). No I/O errors. So my hunch is that it silently loses data. Perhaps it has used up its reserve sectors and the firmware is desperately doing something "creative". Those things are so embarrasingly cheap that I'd expect very variable and erratic failure modes. I don't think the engineers get the time to test different failure cases. We get the cheap hell we shop for :-/ Cheers -- t
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