Re: Converted EXT4 is Slow to Check

From	Borax Man <boraxman@geidiprime.invalid>
Newsgroups	comp.os.linux.misc
Subject	Re: Converted EXT4 is Slow to Check
Date	2026-05-08 12:47 +0000
Organization	A noiseless patient Spider
Message-ID	<slrn10vrmrv.cs1.boraxman@geidiprime.invalid> (permalink)
References	(8 earlier) <slrn10vh4vv.2tn.boraxman@geidiprime.invalid> <n5sv1qFolppU2@mid.individual.net> <gjmdnU6EHePm6mT0nZ2dnZfqn_WdnZ2d@giganews.com> <slrn10vp423.92m.boraxman@geidiprime.invalid> <10tice2$263lq$2@dont-email.me>

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On 2026-05-07, The Natural Philosopher <tnp@invalid.invalid> wrote:
> On 07/05/2026 14:14, Borax Man wrote:
>> ilent undetectable data loss is very real.
>
> As are invisible pink elephants, fairies at the bottom of the garden, 
> and  unicorns generating renewable energy.
>
> If it is undetectable the notion of its factuality is ipso facto 
> metaphysics and a matter of faith only
>

I'm not sure if you are being facetious, sarcastic or are not
understanding but it is real.  You may very well have bad data and not
know.  Your hard drive could be returning junk, and neither the drive,
nor the filesystem, picks it up.  I only found a faulty hard drive
because I decided to run a checksum against an ISO I downloaded, to
verify it downloaded correctly.  The checksum failed, so I downloaded it
again, and it failed again.  then it passed, but then failed when
checked a second time.

EXT4 which was the filesystem reported no IO error at all.  DMESG,
nothing.  No read error.  Nothing, except the hash didn't match. 

I formatted the partition to BTRFS, put the files back on and downloaded
the ISO.  Now I was getting checksum errors.

That drive I was using for months.  Who knows what other data was
corrupted without me knowing...

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Thread

Converted EXT4 is Slow to Check Leroy H <lh@somewhere.net> - 2026-04-24 00:04 +0000
  Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-24 02:29 +0000
    Re: Converted EXT4 is Slow to Check Leroy H <lh@somewhere.net> - 2026-04-24 09:23 +0000
      Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-04-24 10:28 +0100
      Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-04-24 19:46 -0400
  Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-04-24 10:55 +0200
  Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-04-26 12:53 +0000
    Re: Converted EXT4 is Slow to Check Leroy H <lh@somewhere.net> - 2026-04-26 14:01 +0000
      Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-04-26 20:54 +0200
      Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-04-27 13:25 +0000
  Re: Converted EXT4 is Slow to Check Rich <rich@example.invalid> - 2026-04-27 15:24 +0000
    Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-04-29 13:10 +0000
      Re: Converted EXT4 is Slow to Check Rich <rich@example.invalid> - 2026-04-29 15:57 +0000
        Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-04-30 01:02 -0400
          Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-04-30 11:01 +0200
          Re: Converted EXT4 is Slow to Check Borax Man <rotflol2@hotmail.com> - 2026-04-30 12:36 +0000
            Re: Converted EXT4 is Slow to Check gazelle@shell.xmission.com (Kenny McCormack) - 2026-04-30 14:32 +0000
              Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-04-30 16:42 +0100
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-03 12:29 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-03 21:13 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-03 22:05 +0000
                Re: Converted EXT4 is Slow to Check jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-05-04 12:08 -0400
                Re: Converted EXT4 is Slow to Check John Bokma <contact@johnbokma.com> - 2026-05-04 19:24 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-05 00:00 +0000
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-04 12:41 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-04 20:04 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-05 00:05 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-05 12:07 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-05 21:56 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-06 02:41 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-06 04:13 +0000
                Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-06 13:03 +0100
                Re: Converted EXT4 is Slow to Check Richard Kettlewell <invalid@invalid.invalid> - 2026-05-06 10:21 +0100
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-06 13:36 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-06 21:16 +0000
                Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-06 23:31 +0100
                Re: Converted EXT4 is Slow to Check Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-05-07 06:41 +0200
                Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-07 08:34 +0100
                Re: Converted EXT4 is Slow to Check Richard Kettlewell <invalid@invalid.invalid> - 2026-05-07 09:06 +0100
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-07 10:58 +0200
                Re: Converted EXT4 is Slow to Check not@telling.you.invalid (Computer Nerd Kev) - 2026-05-08 09:00 +1000
                Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-08 09:45 +0100
                Re: Converted EXT4 is Slow to Check not@telling.you.invalid (Computer Nerd Kev) - 2026-05-09 10:01 +1000
                Re: Converted EXT4 is Slow to Check Leroy H <lh@somewhere.net> - 2026-05-09 00:12 +0000
                Re: Converted EXT4 is Slow to Check Computer Nerd Kev <not@telling.you.invalid> - 2026-05-09 17:30 +1000
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-08 00:12 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-08 10:57 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-08 09:26 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-08 12:47 +0200
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-08 21:55 +0000
                Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-08 16:42 +0100
                Re: Converted EXT4 is Slow to Check Richard Kettlewell <invalid@invalid.invalid> - 2026-05-08 22:42 +0100
                Re: Converted EXT4 is Slow to Check Nuno Silva <nunojsilva@invalid.invalid> - 2026-05-09 08:34 +0100
                Re: Converted EXT4 is Slow to Check Richard Kettlewell <invalid@invalid.invalid> - 2026-05-09 10:18 +0100
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-09 13:31 +0200
                Re: Converted EXT4 is Slow to Check Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-05-09 09:57 +0200
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-06 00:53 -0400
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-06 10:47 +0200
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-07 13:17 +0000
                Re: Converted EXT4 is Slow to Check rbowman <bowman@montana.com> - 2026-05-05 01:22 +0000
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-05 00:52 -0400
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-05 12:11 +0200
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-06 00:46 -0400
                Re: Converted EXT4 is Slow to Check rbowman <bowman@montana.com> - 2026-05-06 06:43 +0000
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-06 11:05 -0400
                Re: Converted EXT4 is Slow to Check rbowman <bowman@montana.com> - 2026-05-06 19:47 +0000
                Re: Converted EXT4 is Slow to Check Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2026-05-06 15:10 -0700
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-06 22:04 -0400
                Re: Converted EXT4 is Slow to Check rbowman <bowman@montana.com> - 2026-05-07 06:32 +0000
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-07 17:37 -0400
                Re: Converted EXT4 is Slow to Check rbowman <bowman@montana.com> - 2026-05-08 00:30 +0000
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-05-07 23:20 -0400
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-06 10:51 +0200
                Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-05-06 17:38 +0100
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-06 20:52 +0200
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-07 13:14 +0000
                Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-05-07 16:51 +0100
                Re: Converted EXT4 is Slow to Check Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-05-07 18:35 +0000
                Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-05-07 20:08 +0100
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-08 12:47 +0000
                Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-05-08 14:22 +0100
                Re: Converted EXT4 is Slow to Check Rich <rich@example.invalid> - 2026-05-08 13:24 +0000
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-09 14:08 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-07 20:20 +0200
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-08 12:40 +0000
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-08 00:17 +0000
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-08 12:38 +0000
                Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-08 21:07 +0000
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-09 14:06 +0000
                Re: Converted EXT4 is Slow to Check Rich <rich@example.invalid> - 2026-05-09 15:27 +0000
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-10 12:28 +0000
                Re: Converted EXT4 is Slow to Check "Carlos E.R." <robin_listas@es.invalid> - 2026-05-05 12:08 +0200
              Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-04-30 17:05 +0100
                Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-04-30 14:28 -0400
              Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-03 12:15 +0000
            Re: Converted EXT4 is Slow to Check The Natural Philosopher <tnp@invalid.invalid> - 2026-04-30 16:54 +0100
            Re: Converted EXT4 is Slow to Check Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-01 00:15 +0000
              Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-04-30 20:36 -0400
                Re: Converted EXT4 is Slow to Check Borax Man <boraxman@geidiprime.invalid> - 2026-05-03 12:08 +0000
      Re: Converted EXT4 is Slow to Check c186282 <c186282@nnada.net> - 2026-04-30 00:59 -0400

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