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

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From	candycanearter07 <candycanearter07@candycanearter07.nomail.afraid>
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	Tue, 5 Aug 2025 19:20:03 -0000 (UTC)
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Carlos E.R. <robin_listas@es.invalid> wrote at 01:39 this Saturday (GMT):
> On 2025-08-02 01:55, Lawrence D'Oliveiro wrote:
>> On Fri, 01 Aug 2025 14:31:54 +0200, Marc Haber wrote:
>> 
>>> I lost 540 MB from a failed Fujitsu drive in 1998 and found out the
>>> backup was invalid the hard way.
>> 
>> My backups are done with rsync, or script wrappers around rsync. They are
>> effectively mirror filesystems, not in any special “backup” format. These
>> are the easiest to verify, and restoration can be done with the same file-
>> manipulation commands I use every day.
>> 
>> In particular, that means that, in a moment of crisis (which is what
>> happens when you find you’ve lost data), I am doing the restoration using
>> familiar commands with which I am (hopefully) less likely to make
>> mistakes.
>
> Once an rsync backup deleted the original.
>
> I was using the --delete parameter, which is intended to delete files 
> that are gone from the source, and delete them in the destination (when 
> you overwrite a backup). Unfortunately, the paths were messed up, and it 
> deleted the files on the source of another different backup.


That's why you have backups of backups.
-- 
user <candycane> is generated from /dev/urandom

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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 candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2025-08-11 19:40 +0000
            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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