On Thu, Dec 12, 2019 at 12:18 PM Remi Gauvin <remi@xxxxxxxxxxxxxx> wrote: > > On 2019-12-12 10:40 a.m., Cerem Cem ASLAN wrote: > > >> Try 'smartctl -t long', then wait some minutes (it will give you an > >> estimate of how many), then look at the detailed self-test log output from > >> 'smartctl -x'. The long self-test usually reads all sectors on the disk > >> and will quantify errors (giving UNC sector counts and locations). > > > > I tried this one, however I couldn't interpret the results. Here is > > the `smartctl -a /dev/sda` output: > > https://gist.github.com/1a741135af10f6bebcaf6175c04594df > > > > That drive is toast.. the giveaway here is the over 1000 "Current > Pending Sectors.".. there's no point trying to convert this drive to > DUP,, it must simply be stopped, and what files you can successfully > copy consider lucky. The rest depends on your backup... (I wasn't > clear on why your backup is supposed to be bad... BTRFS should have > caught any errors during the backup and stopped things with I/O errors.) > Exactly. It's possible though that the backup is missing files as a result of EIO, if those errors weren't discovered until recently. -- Chris Murphy
