Thanks for tip hugo *_* 2015-09-15 23:38 GMT+03:00 Hugo Mills <hugo@xxxxxxxxxxxxx>: > On Tue, Sep 15, 2015 at 10:59:48PM +0300, Timofey Titovets wrote: >> Hi list, >> i've catch a io error, caused by csum mismatch >> Can i force fs to read data? >> This is really not a cool, if only way is use btrfs restore. >> >> #Info vm machin, after power failure get 2 blocks with errors, and one >> mysql table, can't be readed by mysql (and also, i can't just dump it) > > The data is corrupt, or at the very least deeply untrustworthy. At > this point, the easiest thing to do is use dd_rescue or ddrescue on > it, which will skip the unreadable sectors and replace them with > zeroes -- which is no worse than the random data you're likely to > encounter from reading the broken data that the FS is (rightly) > protecting you from. > > Hugo. > > -- > Hugo Mills | A diverse working environment: Di longer you vork > hugo@... carfax.org.uk | here, di verse it gets > http://carfax.org.uk/ | > PGP: E2AB1DE4 | -- Have a nice day, Timofey. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
