Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late

From	The Natural Philosopher <tnp@invalid.invalid>
Newsgroups	comp.os.linux.misc
Subject	Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late
Date	2025-07-31 14:39 +0100
Organization	A little, after lunch
Message-ID	<106frml$3pthc$1@dont-email.me> (permalink)
References	<106ed70$3g63g$1@dont-email.me> <f77sllxkav.ln2@Telcontar.valinor>

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On 31/07/2025 14:21, Carlos E.R. wrote:
> On 2025-07-31 02:26, Lawrence D'Oliveiro wrote:
>> This article
>> <https://www.zdnet.com/article/linux-pc-acting-up-how-to-check-for-bad-blocks-on-a-hard-drive-before-its-too-late/>
>> is, I would say, more of a starting point for thinking about the
>> issue, rather than the final word on what to do.
>>
>> I used to use the badblocks utility a lot, too. However, the last I
>> checked, it had limitations on the size of disks it could cope with --
>> a 12-terabyte drive was beyond its capabilities. So I had to write my
>> own disk-scanning utility <https://gitlab.com/ldo/scan_disks/>. (I
>> don’t bother much with SMART -- I think it’s mostly a waste of time.)
>>
>> Frankly, I would not like to continue using a disk that had bad blocks
>> on it. I did sort-of try that once -- I had a 3-terabyte drive that
>> developed errors within the warranty period. Before taking it back to
>> the shop, I wrote zeroes over the whole drive, and as a result of
>> that, the bad blocks disappeared. And the shop couldn’t find anything
>> wrong with it, so they refused a warranty return.
> 
> This is one of the SMART features.
> Even showing the bad blocks is not enough to get a refund/return.
> 
I got a replacement SSD under SMART  info - the vendor checked it and 
said 'yup. that's fucked' and gave me another one.
We are good friends


>>
>> That drive did last a few more years in my backup machine, before
>> developing more bad sectors, after which I retired it.
> 
> I have a dead Seagate 3TB disk, lost all the data inside.
> 
If something other than a sector goes bad you are in real trouble.
We did manage to swap circuit boards on a drive once and get the data off it


-- 
Religion is regarded by the common people as true, by the wise as 
foolish, and by the rulers as useful.

(Seneca the Younger, 65 AD)

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Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-07-31 00:26 +0000
  Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-07-30 23:02 -0400
  Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late "Carlos E.R." <robin_listas@es.invalid> - 2025-07-31 15:21 +0200
    Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late The Natural Philosopher <tnp@invalid.invalid> - 2025-07-31 14:39 +0100
    Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-01 01:08 +0000
      Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late "Carlos E.R." <robin_listas@es.invalid> - 2025-08-01 14:03 +0200
    Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-01 10:05 +0200
      Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late "Carlos E.R." <robin_listas@es.invalid> - 2025-08-01 14:04 +0200
        Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-01 14:31 +0200
          Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late "Carlos E.R." <robin_listas@es.invalid> - 2025-08-01 14:40 +0200
            Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-01 18:16 +0200
          Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Stéphane CARPENTIER <sc@fiat-linux.fr> - 2025-08-01 19:29 +0000
            Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-02 02:15 -0400
            Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-02 10:05 +0200
          Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-01 23:55 +0000
            Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late "Carlos E.R." <robin_listas@es.invalid> - 2025-08-02 03:39 +0200
              Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-02 03:24 +0000
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-02 02:04 -0400
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late "Carlos E.R." <robin_listas@es.invalid> - 2025-08-02 13:59 +0200
              Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-02 03:03 -0400
              Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2025-08-05 19:20 +0000
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-05 23:04 +0100
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-05 19:54 -0400
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late rbowman <bowman@montana.com> - 2025-08-06 06:37 +0000
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-06 04:03 -0400
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late not@telling.you.invalid (Computer Nerd Kev) - 2025-08-07 07:14 +1000
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-06 22:16 -0400
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Richard Kettlewell <invalid@invalid.invalid> - 2025-08-07 18:20 +0100
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late The Natural Philosopher <tnp@invalid.invalid> - 2025-08-07 18:22 +0100
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late not@telling.you.invalid (Computer Nerd Kev) - 2025-08-08 09:10 +1000
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-08-06 07:39 -0700
            Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-02 10:07 +0200
              Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-02 23:32 +0000
                Re: Linux PC Acting Up? How To Check For Bad Blocks On A Hard Drive - Before It's Too Late c186282 <c186282@nnada.net> - 2025-08-02 21:36 -0400

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