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Re: Linux needs less fragmentation

From rbowman <bowman@montana.com>
Newsgroups comp.os.linux.misc
Subject Re: Linux needs less fragmentation
Date 2026-10-06 14:39 +0000
Message-ID <nikfgdFsfnjU2@mid.individual.net> (permalink)
References (8 earlier) <119vn39$mtek$13@dont-email.me> <11a0ruk$17kui$2@dont-email.me> <11a0sk2$179lq$6@dont-email.me> <11a10m8$19j2v$1@dont-email.me> <wwvv77fmges.fsf@LkoBDZeT.terraraq.uk>

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On Tue, 06 Oct 2026 08:34:03 +0100, Richard Kettlewell wrote:

> Sectors are an abstraction on hard disks too, although granted
> historically things like track numbers did get exposed outside the
> device.
> But it’s useful to have a uniform abstraction for accessing storage
> devices, papering over the differences between the underlying
> technologies, in the same way as we have one for accessing networks
> which let you run the same applications unmodified regardless of the
> underlying technology.

Ah, the good old days of floppy sectors. The system couldn't necessarily 
handle more than 1 sector's worth of data at a time. To avoid waiting for 
one revolution to read the next adjacent sector, the sectors were 
interleaved so the next logical sector would be further along on the 
track. The Western Digital floppy control could be programmed with many 
options. Companies had different ideas of the best solution so CP/M 
floppies wound up with about a dozen different formats. 

That went back to drum storage but drums weren't passed around like CP/M 
floppies so you didn't need an utility to read a foreign formant.

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Thread

Linux needs less fragmentation Lars Poulsen <lars@beagle-ears.com> - 2026-10-04 14:08 -0700
  Re: Linux needs less fragmentation Michael Logies <logies@t-online.de> - 2026-10-04 23:33 +0200
    Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-05 09:20 +0100
  Re: Linux needs less fragmentation Leroy H <lh@somewhere.net> - 2026-10-04 21:44 +0000
  Re: Linux needs less fragmentation rbowman <bowman@montana.com> - 2026-10-05 01:53 +0000
    Re: Linux needs less fragmentation c186282 <c186282@nnada.net> - 2026-10-05 03:14 -0400
      Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-05 09:28 +0100
        Re: Linux needs less fragmentation "Carlos E. R." <robin_listas@es.invalid> - 2026-10-05 19:20 +0200
          Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-05 19:43 +0100
            Re: Linux needs less fragmentation Andy Burns <usenet@andyburns.uk> - 2026-10-08 15:25 +0100
              Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-08 15:29 +0100
              Re: Linux offers choice, BSD offers fragmentation Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-08 20:59 +0000
              Re: Linux needs less fragmentation c186282 <c186282@nnada.net> - 2026-10-09 02:42 -0400
              Re: Linux needs less fragmentation "Carlos E. R." <robin_listas@es.invalid> - 2026-10-09 20:47 +0200
                Re: Linux offers choice, BSD offers fragmentation Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-09 21:20 +0000
                Re: Linux offers choice, BSD offers fragmentation "Carlos E. R." <robin_listas@es.invalid> - 2026-10-09 23:27 +0200
                Re: Linux offers choice, BSD offers fragmentation c186282 <c186282@nnada.net> - 2026-10-10 04:01 -0400
                Re: Linux offers choice, BSD offers fragmentation c186282 <c186282@nnada.net> - 2026-10-11 04:31 -0400
        Re: Linux needs less fragmentation Rich <rich@example.invalid> - 2026-10-05 18:57 +0000
          Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-05 20:08 +0100
            Re: Linux needs less fragmentation Rich <rich@example.invalid> - 2026-10-05 20:18 +0000
              Re: Linux needs less fragmentation Richard Kettlewell <invalid@invalid.invalid> - 2026-10-06 08:34 +0100
                Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-06 11:17 +0100
                Re: Linux needs less fragmentation c186282 <c186282@nnada.net> - 2026-10-06 23:59 -0400
                Re: Linux needs less fragmentation rbowman <bowman@montana.com> - 2026-10-06 14:39 +0000
                Re: Linux needs less fragmentation Chris Ahlstrom <OFeem1987@teleworm.us> - 2026-10-06 13:50 -0400
    Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-05 09:25 +0100
      Re: Linux needs less fragmentation rbowman <bowman@montana.com> - 2026-10-05 19:36 +0000
        Re: Linux needs less fragmentation "Carlos E. R." <robin_listas@es.invalid> - 2026-10-05 21:49 +0200
          Re: Linux needs less fragmentation rbowman <bowman@montana.com> - 2026-10-06 02:35 +0000
          Re: Linux needs less fragmentation Philippe <p.naudin+nntp@free.fr> - 2026-10-06 08:13 +0200
            Re: Linux needs less fragmentation "Carlos E. R." <robin_listas@es.invalid> - 2026-10-06 11:12 +0200
              Re: Linux needs less fragmentation rbowman <bowman@montana.com> - 2026-10-06 14:48 +0000
  Re: Linux needs less fragmentation The Natural Philosopher <tnp@invalid.invalid> - 2026-10-05 09:19 +0100

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