On 07/10/2013 11:45 AM, Priya Kamala wrote: > On 10/07/2013 16:22, Phil Turmel wrote: >> Did you have an idea of number of read error events? "Pending" sector >> counts on the problem drive might be a useful number to report. (Or >> just report complete output of "smartctl -x" for each drive.) > Unfortunately I don't have this information, as this is a post-mortem > analysis of the failure on a customer system. >> Meanwhile, what distro, kernel, and mdadm versions are involved here? > I'm working with a distro based on Centos running 2.6.21.1 kernel and > mdadm 2.6. That explains your experience. Your kernel dates from April 2007. Tolerance for corrected read errors was added in December 2009. (Robert Becker, 1e50915f, to be specific.) You need a newer kernel. Phil -- 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