"One or more disks are failing" ?
Bruno Wolff III
bruno at wolff.to
Sat Jul 4 12:53:30 UTC 2009
On Sat, Jul 04, 2009 at 13:42:16 +0300,
Jussi Lehtola <jussilehtola at fedoraproject.org> wrote:
> On Sat, 2009-07-04 at 02:57 -0700, Scott Beamer wrote:
>
> > 5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always
> > - 4
>
> This means your disk is breaking down, and should be replaced soon.
It means some problem sectors have been reallocated. This correlates with
disk failure and depending on how rich you are might signal that it's
time to replace the disk.
> > 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always
> > - 2
> > 198 Offline_Uncorrectable 0x0030 100 100 000 Old_age
> > Offline - 1
>
> And these IIRC mean that you've already lost some data. Replace the disk
> ASAP.
No, it means that there are problem sectors that can't be read. If you write
over these sectors they may or may not see them get remapped. Disks
generally won't remap sectors which it can't read to give you a chance to
try to read them some more. It's possible to have one time problems with
a sector, so they may not even get remapped to a spare once you overwrite
the data or get a good read.
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