>>>>> "Salatiel" == Salatiel Filho <salatiel.filho@xxxxxxxxx> writes: Salatiel> On Mon, Jan 23, 2017 at 2:34 PM, Andreas Klauer Salatiel> <Andreas.Klauer@xxxxxxxxxxxxxx> wrote: >> On Mon, Jan 23, 2017 at 11:02:24AM -0300, Salatiel Filho wrote: >>> mdadm mdadm --examine-badblocks /dev/sdd1 /dev/sdg1 /dev/sdf1 /dev/sde1 >>> >>> Bad-blocks on /dev/sdd1: >>> 1515723072 for 512 sectors >>> Bad-blocks on /dev/sde1: >>> 1515723072 for 512 sectors >> >> md believes you have bad blocks in identical places so it won't return >> whatever data is in these blocks. Thus you get read errors even if there >> is no bad block on the disk itself. Those bad block entries can be caused >> by cable or controller flukes, making temporary problems permanent... >> >> Personally I disable the bad block list everywhere. >> >> You can search this list for old messages regarding --examine-badblocks, >> this problem came up several times. Clearing the mdadm bad block list is >> worth a try. There's an undocumented option, update=force-no-bbl or such. >> >> Regards >> Andreas Klauer Salatiel> Thanks all of you for the help. Salatiel> Andreas, the force-no-bbl from mdadm 3.4 did the trick. I was able to Salatiel> retrieve all files and their md5 matches, so it is great =) Great news, glad I could help, wish I had pin-pointed the root cause better. john -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html