On Mon, Dec 14, 2015 at 20:53:59 CET, Robert Nichols wrote: > On 12/14/2015 02:44 AM, Luís de Sousa wrote: > >I understand this is not an issue with cryptsetup, but would anyone > >have suggestions on how to proceed? Is there any hope of "fixing" > >this, e.g. marking this sector as unusable? > > > >Thank you, > > > >Luís > > > >$ sudo dd if=/dev/zero of=/dev/sdb1 bs=4096 count=1 oflag=sync,direct > >dd: error writing ‘/dev/sdb1’: Remote I/O error > >1+0 records in > >0+0 records out > >0 bytes (0 B) copied, 0.00142455 s, 0.0 kB/s > > There should also have been some system error messages logged which > might be informative. > > When any reasonably modern (last 20 years, or so) drive shows an > I/O error on a write operation, it generally means that the drive > has run out of spare sectors or has some problem other than media > errors. Such a drive is long past the time it should have been > replaced. I second that. Errors on reads may be fixable (though it is not a very good idea to try), errors on write signal imminent death. > It would be interesting to see the output from > "smartctl -A /dev/sdb", if the interface supports it. (Not all > USB <=> SATA bridge chips support the necessary commands.) Especially not very old ones. Regards, Arno -- Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@xxxxxxxxxxx GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718 ---- A good decision is based on knowledge and not on numbers. -- Plato If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
