Re: [gentoo-user] OT: hard disk access and recovery impossible under linux ?

[Kacper Kopczyński]

Dnia 2010-08-08, o godz. 12:19:07
Mark Shields <laebshade@×××××.com> napisał(a):

> On Sat, Jul 31, 2010 at 3:14 PM, Volker Armin Hemmann <
> volkerarmin@××××××××××.com> wrote:
>
> > On Samstag 31 Juli 2010, Mick wrote:
> > > On Saturday 31 July 2010 19:04:47 Volker Armin Hemmann wrote:
> > > > On Samstag 31 Juli 2010, Mick wrote:
> > > > > On Saturday 31 July 2010 16:33:18 Dale wrote:
> > > > > > Kacper Kopczyński wrote:
> > > > > > > Dnia 2010-07-31, o godz. 16:15:51
> > > > > > >
> > > > > > > Volker Armin Hemmann<volkerarmin@××××××××××.com>
> > > > > > > napisał(a):
> > > > > > >> On Samstag 31 Juli 2010, Kacper Kopczyński wrote:
> > > > > > >>> Hi,
> > > > > > >>>
> > > > > > >>> My problem is really strange - I can't access my hard
> > > > > > >>> drive
> > from
> > > > > > >>> linux, but it works from windows without problems. It
> > > > > > >>> has some bad blocks.
> > > > > > >>
> > > > > > >> it has a lot of bad blocks and a fucked up firmware it
> > > > > > >> seems. No way it is working 'without problems'.
> > > > > > >
> > > > > > > Well total space taken by bad blocks according to chkdsk
> > > > > > > is less than 1MB, windows is still able to access all
> > > > > > > data. Linux is only able to see partition table "for a
> > > > > > > while" - as you can see in dmesg.
> > > > > > >
> > > > > > > If firmware is broken then how it is possible that
> > > > > > > windows is
> > able
> > > > > > > to use this disk?
> > > > > >
> > > > > > Maybe windoze is ignoring the problem?  It's not like
> > > > > > windoze has never done that before right?
> > > > > >
> > > > > > Just a thought.
> > > > >
> > > > > Couldn't it be that the MSWindows partition has no bad
> > > > > blocks, while Linux does?
> > > >
> > > > it is not about partitions.
> > >
> > > Please explain, I thought that bad blocks would coincide with some
> > > partitions.
> >
> > because defectice partitions don't give you no sense errors nor do
> > they give
> > you zero capacity errors. Read his dmesg.
> >
> >  If the firmware/logic board is bad, you might be able to replace
> > it with
> one from the same model.  I've heard of some success from a coworker
> who took the logic board from a known good drive and put it on a HDD
> with good internals but a bad logic board, and it worked.  That's if
> you need the data, that is.
>
> - Mark Shields

After spending many hours on google it seems to me this is a bug in
firmware or seagate's firmware on barracuda discs likes to break itself
frequently.

Thank you for your help.

-- 
Kacper Kopczyński