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Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action 0x0

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On 24.12.2021 22:44, Heladu wrote:
> Hello,
> First of all, thanks for the reply.
>
> El vie, 24-12-2021 a las 03:30 +0500, Alexander V. Makartsev escribió:
>>   You can review SMART attributes which keep track of device's health and
>> metrics.
>> This utility is part of "smartmontools" package.
>> Run this one-liner to see values of relevant attributes:
>>      $ sudo smartctl -A /dev/sda | grep -E '5 Realloc|183 Runtime|197
>> Current|199 UDMA'
>>
>> Here is what they should like on perfectly fine hard drive:
>>      $ sudo smartctl -A /dev/sda | grep -E '5 Realloc|183 Runtime|197
>> Current|199 UDMA'
>>        5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail
>> Always       -       0
>>      183 Runtime_Bad_Block       0x0032   100   100   000    Old_age
>> Always       -       0
>>      197 Current_Pending_Sector  0x0012   100   100   000    Old_age
>> Always       -       0
>>      199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age
>> Always       -       0
>>
>> Raw values are displayed on the right and they all zeroes. Post the output
>> you got with next reply.
>> You should backup or "ddrescue" your data from this drive and RMA\replace it
>> or better switch to SSD disk.
>>
> Well, I installed the package in question and ran the very same command you
> said. However, the Runtime_Bad_Block attribute doesn't appear. Here's the
> output:
> $ sudo smartctl -A /dev/sda | grep -E '5 Realloc|183 Runtime|197 Current|199
> UDMA'
>    5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-
> fail  Always       -       0
> 197
> Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -
>       1
> 199
> UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -
>       0
>
> If I understood correctly what I read, this means there's one sector waiting
> for remapping, right?
That is correct. Drive's firmware should take care of it automatically 
or during short or extended self-tests.
I suggest to backup your data before performing any self-tests on the drive.
They are non-destructive by nature, but you never know what could happen 
and what was the initial cause for 'bad blocks' to appear.

> And why doesn't the Runtime_Bad_Block attribute appear?
>
SMART attributes and functionality could be different, depending on 
manufacturer or\and model of the device.
My example was from HDD made by Seagate. Maybe it was a mistake on my 
part, suggesting a one-liner with 'grep', causing a confusion.


-- 
With kindest regards, Alexander.

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Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action  0x0 Heladu <helaheladu38@gmail.com> - 2021-12-23 23:10 +0100
  Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-12-23 23:40 +0100
    Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action 0x0 rhkramer@gmail.com - 2021-12-24 16:40 +0100
      Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-12-24 17:30 +0100
      Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 David Christensen <dpchrist@holgerdanske.com> - 2021-12-24 21:10 +0100
      Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action 0x0 gene heskett <gheskett@shentel.net> - 2021-12-24 22:30 +0100
    Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 Heladu <helaheladu38@gmail.com> - 2021-12-24 19:10 +0100
      Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 "Alexander V. Makartsev" <avbetev@gmail.com> - 2021-12-24 20:20 +0100
  Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 Dan Ritter <dsr@randomstring.org> - 2021-12-24 00:40 +0100
    Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 Heladu <helaheladu38@gmail.com> - 2021-12-24 19:10 +0100
      Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 David Christensen <dpchrist@holgerdanske.com> - 2021-12-24 21:30 +0100
        Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action 0x0 "Thomas Schmitt" <scdbackup@gmx.net> - 2021-12-24 22:00 +0100
          Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 David Christensen <dpchrist@holgerdanske.com> - 2021-12-25 01:20 +0100
  Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 David Christensen <dpchrist@holgerdanske.com> - 2021-12-24 00:50 +0100
    Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action 0x0 Glenn <ve9gj@napan.com> - 2021-12-24 16:10 +0100
  Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 James Dutton <james.dutton@gmail.com> - 2021-12-24 16:30 +0100
    Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0 action 0x0 Stefan Monnier <monnier@iro.umontreal.ca> - 2021-12-24 18:10 +0100
    Re: Slow disk reads - exception Emask 0x0 SAct 0x6b0000 SErr 0x0  action 0x0 Heladu <helaheladu38@gmail.com> - 2021-12-24 19:10 +0100

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