Hi, > Did you mean > echo repair > /sys/block/md0/md/sync_action > > I run 'check' regularly and I am rather sure that it reports but does not fix the mismatches. the sequence is as follow: 1) disk removed. 2) disk re-added 3) _automatic_ resync 4) manual check (after the resync finished) The last check returns mismatches. bye, -- piergiorgio -- 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