On Mar 20, 2013, at 1:24 PM, Roman Mamedov <rm@xxxxxxxxxx> wrote: > On Wed, 20 Mar 2013 12:19:18 -0600 > Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > >>> 195 Hardware_ECC_Recovered 0x001a 057 055 000 Old_age Always - 63508940 > >> With such high ECC recovered events, I suspect SDC. > > If it's a Seagate drive, this is absolutely normal. > All Seagate drives have a high value in SMART Hardware_ECC_Recovered. http://forums.seagate.com/t5/Barracuda-XT-Barracuda-Barracuda/Seagate-s-Seek-Error-Rate-Raw-Read-Error-Rate-and-Hardware-ECC/td-p/122382 http://www.silentpcreview.com/forums/viewtopic.php?t=57212 If I read this correctly, the read error rate and hardware ECC recovered are sector counts, so they should be the same. Nevertheless, the file system isn't happy about checksums. It's not that it isn't finding the checksum data, it's finding errors with it. Chris Murphy-- 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
