On Fri, 1 Apr 2011, Jerry Geis wrote: > 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? This page is one I like for understanding SMART attributes. http://www.z-a-recovery.com/man-smart.htm Steve