Re: [smartmontools-support]IDNF errors, Reallocated_event_count nonzero, but other error fields still zero

[Frode E. M. <fr...@fr...>]

On Wed, Oct 27, 2004 at 02:51:07 -0500, Bruce Allen wrote:
> > Booting into linux and running smartctl listed two IDNF error events. 
> > One of these is for LBA "0x0000003f", which I think is very strange - I 
> > thought the first 63 sectors were reserved for the MBR/partition table 
> > and cannot fanthom why winxp would want to write there.
> I agree -- why would the OS want to write there unless you were trying to
> repartition the disk or install some other booter there?

I wasn't doing anything like that. Strange :)
  
> > I'm also puzzled by the "Reallocated event count" being 18 (what does
> > this attribute really mean?) while there is 0 raw read errors, 0
> > reallocated sectors, 0 current_pending_sectors, 0 offline
> > uncorrectable and 0 udma crc errors. Did the drive really reallocate
> > any sectors?
> I think it means that there were 18 instances where it 'thought about'
> doing reallocation.  But it didn't, in the end, decide to do this.

Ok, thanks for the explanation!

> > Performing a short self-test PASSES, and trying to read sector 63 by 
> > doing "hexdump -C /dev/hda" for a while seems to work perfectly.
> > Is this a cause for concern?
> I'm not sure. As far as I can tell, the disk looks OK.  For confidence, I
> suggest that you do a long self-test (-t long).

I'll do that. Thanks for the analysis!