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> Bill Davidsen wrote:
> > Erik Steffl wrote:
> >> Alan Cox wrote:
> >>> On Sad, 2005-01-15 at 20:25, Erik Steffl wrote:
> >>>> I got these errors when accessing SATA disk (via scsi):
> >>>>
> >>>> Jan 15 11:56:50 jojda kernel: ata2: command 0x25 timeout, stat 0x59
> >>>> host_stat 0x21
> >>>> Jan 15 11:56:50 jojda kernel: ata2: status=0x59 { DriveReady
> >>>> SeekComplete DataRequest Error }
> >>>> Jan 15 11:56:50 jojda kernel: ata2: error=0x40 { UncorrectableError }
> >>>
> >>> Bad sector - the disk has lost the data on some blocks. Thats a
> >>> physical disk failure.
> >>
> >> what's somewhat weird is that the disk _seemed_ OK (i.e. no errors
> >> that I would notice, nothing in the syslog) and then suddenly the disk
> >> does not respond at all, I tried dd_rescue and it ran for hours (more
> >> than a day) and it rescued absolutely nothing. Is it possible that the
> >> disk surface is OK but the electronics went bad? Is there anything
> >> that can be done if that's the case? (I have another disk, same model).
> >
> > You probably void your waranty on both drives if you swap the control
> > board, it may require special tools you don't have, and I have done it
> > in the past. Can you get to the point where it fails and cool it with a
> > shot of freon (or whatever is politically correct these days)? May be
> > thermal, in which case you run it until you back it up, then waranty it.
>
> it does not respond at all (right after I boot up the computer),
> doesn't seem to be heat related. It is completely unreadable, I ran
> rr_rescue on it for a long time, it didn't read absolutely anything. It
> requires a star-shaped screwdriver, are those available somewhere?
Those are Torx drivers. You may need the 'security' version if the screws have
a pin in the middle (utterly pointless since both types of driver are
publicly available).
Mark.
- --
Mark Watts
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services group
GPG Public Key ID: 455420ED
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