Warren Young wrote: > On 11/3/2010 8:32 AM, Keith Roberts wrote: >> >> So to prepare the disk for returning under warranty, I used >> another HDD utility to clean the disk again > > ... > >> So I ran an Advanced r/w scan again with Hitachi DFT, and >> the result was OK. > > A complete disk wipe brings bad sectors to the drive's attention, > forcing it to remap them using spare sectors set aside for the purpose. <snip> > If you put it back into service, at minimum I would set up smartd, from > the smartmontools package. Maybe run smartctl on it by hand daily or > weekly, too. If you find that errors start happening again, there is > something continually degrading the drive's integrity, so the automatic > sector remapping will eventually run the drive out of spare sectors. <snip> Yeah, but I have problems with smartmon: for example, I've got a drive in one server that's got two bad sectors, which SMART reports. I've followed the instructions on how to make the log messages go away, and fsck -c... but on reboot, SMART seems to ignore what badblocks found, and the irritating messages are back. mark