Mike Kercher wrote: > I got an email from smartd yesterday with the following error: > > SMART Health Status: SERVO IMPENDING FAILURE SEEK ERROR RATE TOO HIGH > [asc=5d,ascq=43] > > I understand this means the drive is probably going to fail. This > device is /dev/sda and is part of /dev/mapper/VolGroup00-LogVol00 > > Is it possible to replace the single failing drive and if so, what would > be the steps so that data isn't lost. > http://tldp.org/HOWTO/LVM-HOWTO/removeadisk.html /dev/sda, is that your boot device? that will greatly complicate things... and, your swap is probably not under LVM, /boot certainly isn't so there's moer on that drive than just part of VolGroup00 I think I'd opt for plan B... install an identical new drive on another SCSI unit, boot a standalone live CD, and DD image the whole raw physical drive /dev/sda, then swap this new drive to SCSI unit 0 and remove the failed one.