On Wed, 09 May 2012 15:16:08 -0400 Michael Peterson <Michael.Peterson@xxxxxxxx> wrote: > I'm trying to identify the source of a non-zero mismatch_cnt on a > six-disk RAID6 md array. I think I've identified it as /dev/sdf since > that is the only device with a non-zero value in > /sys/block/md0/md/dev-sd*/errors. Is that the right way to track parity > mismatches back to a disk? > > OS is CentOS 5.8 -> mdadm 2.6.9 There is a program in the mdadm source distro called "raid6check" which can possibly help you. NeilBrown
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