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Re: How to fix I/O errors?

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On 02/03/17 13:47, Marc Shapiro wrote:
> On 02/02/2017 10:23 PM, David Christensen wrote:
>>
>> Have you downloaded and run the manufacturer diagnostic utilities for
>> all your drives?  What do they say?
>>
> I have now downloaded and run Seagate's tools and it does show a does
> show a disk error.  Since it stops on the first error I do not know if
> this is an isolated error, or a more systematic problem.
>
> Automatic Write Reallocation Enable (AWRE) is on by default, but
> Automatic Read Reallocation Enable (ARRE) is off.  If I set ARRE on and
> then run the long test (which reads all sectors sequentially), will that
> reallocate any bad sectors and mark them as such?  Is this a safe thing
> to do?

Beware that failures have a way of escalating faster than you expect.


Do you have a good backup of the drive?


If not and the data has high value, do not power up the drive.  Pack it 
properly and send it to a professional recovery service.


 >> http://www.seagate.com/support/downloads/seatools/
 > I see download links for DOS and Windows, nothiong for Linux

It is common for Wintel-centric tools to only run on Windows.  It's good 
to keep an operational Windows system drive around.  Mobile docks make 
swapping drives easy.


Sometimes you get lucky and the tool is a live CD:

www.seagate.com/files/www-content/support-content/downloads/seatools/_shared/downloads/SeaToolsDOS223ALL.ISO


 > If I remember correctly, [SMART] is
 > only going to be useful if it was already installed so the daemon
 > could be capturing data when the problem occurred.  Is that correct,
 > or am I thinking of a different package?

https://en.wikipedia.org/wiki/S.M.A.R.T.

SMART is built-in to the firmware of the HDD/SSD; the drive 
microcontroller does most of the work.  Using the right tools, you can 
pull SMART information out of the microcontroller and/or adjust tunable 
SMART parameters.  As the drive is failing, you especially want those 
reports.  If you post them here, people can tell you all kinds of 
interesting things about your drive.


 > I have now downloaded and run Seagate's tools and it does show a does
 > show a disk error.  Since it stops on the first error I do not know if
 > this is an isolated error, or a more systematic problem.

Take a picture of the screen with a digital camera (or phone), and then 
type the exact screen contents into a reply.


David

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Thread

How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-02 22:10 +0100
  Re: How to fix I/O errors? <tomas@tuxteam.de> - 2017-02-02 22:30 +0100
    Re: How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-02 22:50 +0100
      Re: How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-02 23:20 +0100
  Re: How to fix I/O errors? David Christensen <dpchrist@holgerdanske.com> - 2017-02-03 07:30 +0100
    Re: How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-03 08:40 +0100
      Re: How to fix I/O errors? Mark Fletcher <mark27q1@gmail.com> - 2017-02-03 16:00 +0100
        Re: How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-03 22:40 +0100
          Re: How to fix I/O errors? Jonathan Dowland <jmtd@debian.org> - 2017-02-07 12:00 +0100
    Re: How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-03 22:50 +0100
      Re: How to fix I/O errors? David Christensen <dpchrist@holgerdanske.com> - 2017-02-04 08:20 +0100
        Re: How to fix I/O errors? Marc Shapiro <marcnshap@gmail.com> - 2017-02-06 22:20 +0100
          Re: How to fix I/O errors? David Christensen <dpchrist@holgerdanske.com> - 2017-02-06 23:40 +0100
      Re: How to fix I/O errors? Ric Moore <wayward4now@gmail.com> - 2017-02-04 16:20 +0100
        Re: How to fix I/O errors? David Christensen <dpchrist@holgerdanske.com> - 2017-02-04 20:20 +0100
          Re: How to fix I/O errors? Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-02-06 17:00 +0100
            Re: How to fix I/O errors? Gene Heskett <gheskett@shentel.net> - 2017-02-06 18:30 +0100
              Re: How to fix I/O errors? David Christensen <dpchrist@holgerdanske.com> - 2017-02-06 22:30 +0100
              Re: How to fix I/O errors? Felix Miata <mrmazda@earthlink.net> - 2017-02-06 23:20 +0100
            Re: How to fix I/O errors? David Christensen <dpchrist@holgerdanske.com> - 2017-02-06 22:30 +0100

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