On 4 November 2011 13:53, Alex <mysqlstudent@xxxxxxxxx> wrote: > Hi, > I have a fedora15 system with two 80GB SATA disks using RAID1 and have > the following messages in syslog: > > Nov 4 07:43:11 mail smartd[2001]: Device: /dev/sda [SAT], 2 Offline > uncorrectable sectors > Nov 4 08:13:11 mail smartd[2001]: Device: /dev/sda [SAT], 2 Currently > unreadable (pending) sectors > > "smartctl --all /dev/sda" does show that errors did occur at some > point in the past, but it doesn't seem to be affecting the RAID: > > # cat /proc/mdstat > Personalities : [raid1] > md1 : active raid1 sda2[0] sdb2[1] > 74750908 blocks super 1.1 [2/2] [UU] > bitmap: 1/1 pages [4KB], 65536KB chunk > > md0 : active raid1 sda1[0] sdb1[1] > 511988 blocks super 1.0 [2/2] [UU] > > unused devices: <none> > > Perhaps the bad sectors haven't been accessed, which is why the RAID > still appears to be intact? > > Do I need to verify the RAID integrity in some way? Force a rebuild? > > I believe the boot sector is installed on sda, which is also the bad > disk. If I remove the disk to replace it, I'm concerned the system > will no longer boot. > > Can you point me to instructions on the best way to replace a disk? > > Thanks, > Alex > -- > 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 > Hi, Basically, if uncorrectable sectors >0 or pending sectors >0 the drive is failing. So replace ASAP :) Regards, Mathias -- 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
