-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/18/2014 7:08 AM, Austin S Hemmelgarn wrote: > In addition to the storage controller being a possibility as > mentioned in another reply, there are some parts of the drive that > aren't covered by SMART attributes on most disks, most notably the > on-drive cache. There really isn't a way to disable the read cache > on the drive, but you can disable write-caching, which may improve > things (and if it's a cheap disk, may provide better reliability > for BTRFS as well). The other thing I would suggest trying is a > different data cable to the drive itself, I've had issues with some > SATA cables (the cheap red ones you get in the retail packaging for > some hard disks in particular) having either bad connectors, or bad > strain-reliefs, and failing after only a few hundred hours of use.
SATA does CRC the data going across it so if it is a bad cable, you get CRC, or often times 8b10b coding errors and the transfer is aborted rather than returning bad data. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (MingW32) iQEcBAEBAgAGBQJUa22PAAoJEI5FoCIzSKrwqlAH/3p1iftYkX3DAMgMmWra9AZT 2OA4PIwzgKIhANpy+ZQo4c+W1ZUwo2V6sxLvG8/oM3HfITGyfwNA5HgTbQrlx/iU vdRHq+y60gCruIa0lRST5JCQMbez7eXvSNOWNAZYbtNH/BNyMxwFuav14zFZpNxO QovXxhk1D5vLf+ID2jwa5mF1Zj7b5GEhb4zzqK+xU1QNeWppLFhB3da+llae8qxf eFtNt8ebtknr7QMCFrbaYCq1z1I+Fy8EjskkdI4ZW6AgBRPQDDmB8gNCmAAbSaZC 2Ze/AB4Xr6uuGQ4iK7nprKXUtPJFLzGYx+JQ2EeBJtin9ivno1fEY45CMreuzv4= =6Oy/ -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
