on 4/1/2011 8:32 AM Jerry Geis spake the following: > dmesg is not reporting any issues. > > The /proc/mdstat looks fine. > md0 : active raid1 sdb1[1] sda1[0] > X blocks [2/2] [UU] > > however /var/log/messages says: > > smartd[3392] Device /dev/sda 20 offline uncorrectable sectors > > The machine is running fine.. raid array looks good - what > is up with smartd? > > THanks, > > Jerry Could it be that the bad sectors so far have been in unused areas? Once a drive runs out of sectors to map corrections to, I would really think about replacing it.