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Re: Mass storage sizes

From Michael Stone <mstone@debian.org>
Newsgroups linux.debian.user
Subject Re: Mass storage sizes
Date 2025-01-07 23:10 +0100
Message-ID <K2pVU-6vir-9@gated-at.bofh.it> (permalink)
References (5 earlier) <K2jnr-6rc7-3@gated-at.bofh.it> <K2k09-6rpc-1@gated-at.bofh.it> <K2kjv-6rL6-7@gated-at.bofh.it> <K2nhn-6tz5-5@gated-at.bofh.it> <K2pVU-6vir-11@gated-at.bofh.it>
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On Tue, Jan 07, 2025 at 02:59:47PM -0700, Charles Curley wrote:
>Mr. Tarsnap forgets something. The reason disks are addressed in powers
>of two has to do with mathematics. Every hard and floppy disk out there
>has flaws. To get around that, data is divided into sectors, and
>checksums calculated. Done right, this allows for error correction for
>small flaws. The math works out better if you do it in chunks that are
>integer powers of two. So floppy disks have sectors of 256 octets, and
>their attendant checksums. Modern hard drives schlep data in chunks of
>4096 (2^12) octets. And bytes these days are eight bits.

The thing is, nobody cares about all that. It's an implementation detail 
that matters not to any normal person. Normal people care about things 
like "when I just look at the first couple of numbers of the size in 
bytes, is it the same thing as the size in <insert large unit> or do I 
need to do a bunch of math to answer a simple question?"

>GB or GiB? I don't care, just be clear which one you are using.

Which nobody is. The right answer is to stop using power of two units 
because they are pointless.

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new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-12-21 18:50 +0100
  Re: new computer arriving soon "Andrew M.A. Cater" <amacater@einval.com> - 2024-12-21 20:30 +0100
    Re: new computer arriving soon Joe <joe@jretrading.com> - 2024-12-21 21:20 +0100
      Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-12-22 02:20 +0100
    Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-12-22 02:20 +0100
      UEFI, Export from Virtualbox [WAS Re: new computer arriving soon] "Andrew M.A. Cater" <amacater@einval.com> - 2024-12-22 09:50 +0100
      Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-12-26 20:40 +0100
        Re: new computer arriving soon David Christensen <dpchrist@holgerdanske.com> - 2024-12-26 23:40 +0100
          Re: new computer arriving soon David Wright <deblis@lionunicorn.co.uk> - 2024-12-27 17:30 +0100
            Re: new computer arriving soon Marc Shapiro <marcnshap@gmail.com> - 2024-12-31 05:10 +0100
              Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2024-12-31 05:40 +0100
                Re: new computer arriving soon "Andrew M.A. Cater" <amacater@einval.com> - 2024-12-31 19:00 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2024-12-31 23:00 +0100
                Re: new computer arriving soon "Andrew M.A. Cater" <amacater@einval.com> - 2025-01-01 00:00 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-01 01:00 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-01 15:00 +0100
                Re: new computer arriving soon Frank Guthausen <fg.debian@shimps.de> - 2025-01-01 15:30 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-01 15:40 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-01 16:40 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-01 17:20 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-01 18:00 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-01 18:00 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 03:10 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-02 03:40 +0100
                Re: new computer arriving soon Charles Curley <charlescurley@charlescurley.com> - 2025-01-01 17:30 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-01 18:20 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-01 22:00 +0100
                Re: new computer arriving soon Joe <joe@jretrading.com> - 2025-01-01 19:50 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-01 22:50 +0100
                Re: new computer arriving soon Andy Smith <andy@strugglers.net> - 2025-01-02 14:50 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-03 04:00 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-03 17:30 +0100
                Re: new computer arriving soon Andy Smith <andy@strugglers.net> - 2025-01-03 13:10 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 03:30 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-02 03:40 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 04:30 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-02 04:50 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 16:40 +0100
                Re: new computer arriving soon pocket@homemail.com - 2025-01-02 17:10 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-04 05:00 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-04 11:20 +0100
                Gene and networkmanager (was: Re: new computer arriving soon) Max Nikulin <manikulin@gmail.com> - 2025-01-05 04:50 +0100
                Re: Gene and networkmanager (was: Re: new computer arriving soon) gene heskett <gheskett@shentel.net> - 2025-01-05 17:20 +0100
                /dev/serial/by-id (was: Re: new computer arriving soon) Max Nikulin <manikulin@gmail.com> - 2025-01-05 05:00 +0100
                Re: /dev/serial/by-id (was: Re: new computer arriving soon) gene heskett <gheskett@shentel.net> - 2025-01-05 17:30 +0100
                Re: /dev/serial/by-id Max Nikulin <manikulin@gmail.com> - 2025-01-06 03:30 +0100
                Re: /dev/serial/by-id gene heskett <gheskett@shentel.net> - 2025-01-06 08:20 +0100
                Re: /dev/serial/by-id Max Nikulin <manikulin@gmail.com> - 2025-01-07 04:20 +0100
                Re: /dev/serial/by-id gene heskett <gheskett@shentel.net> - 2025-01-07 10:00 +0100
                Re: /dev/serial/by-id gene heskett <gheskett@shentel.net> - 2025-01-07 14:50 +0100
                Mass storage sizes (was: /dev/serial/by-id) Stefan Monnier <monnier@iro.umontreal.ca> - 2025-01-07 16:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Dan Purgert <dan@djph.net> - 2025-01-07 16:50 +0100
                Re: Mass storage sizes eben@gmx.us - 2025-01-07 17:10 +0100
                Re: Mass storage sizes <tomas@tuxteam.de> - 2025-01-07 17:40 +0100
                Re: Mass storage sizes eben@gmx.us - 2025-01-07 18:00 +0100
                Re: Mass storage sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2025-01-07 20:40 +0100
                Re: Mass storage sizes <tomas@tuxteam.de> - 2025-01-08 06:30 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Michael Stone <mstone@debian.org> - 2025-01-07 17:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Michael Stone <mstone@debian.org> - 2025-01-07 17:30 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Dan Purgert <dan@djph.net> - 2025-01-07 18:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Nicholas Geovanis <nickgeovanis@gmail.com> - 2025-01-09 04:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Michael Stone <mstone@debian.org> - 2025-01-09 05:50 +0100
                Re: Mass storage sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2025-01-09 16:30 +0100
                Re: Mass storage sizes Dan Purgert <dan@djph.net> - 2025-01-09 18:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Nicolas George <george@nsup.org> - 2025-01-09 21:50 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Michael Stone <mstone@debian.org> - 2025-01-10 00:50 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Jeffrey Walton <noloader@gmail.com> - 2025-01-10 01:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2025-01-10 02:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Dan Purgert <dan@djph.net> - 2025-01-10 11:00 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) gene heskett <gheskett@shentel.net> - 2025-01-10 15:10 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) <tomas@tuxteam.de> - 2025-01-10 07:30 +0100
                Re: Mass storage sizes John Hasler <john@sugarbit.com> - 2025-01-10 15:50 +0100
                Re: Mass storage sizes eben@gmx.us - 2025-01-10 21:40 +0100
                Re: Mass storage sizes gene heskett <gheskett@shentel.net> - 2025-01-11 01:50 +0100
                Re: Mass storage sizes Jeffrey Walton <noloader@gmail.com> - 2025-01-11 01:40 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Heriberto Avelino <heriberto.avelino@gmail.com> - 2025-01-10 01:30 +0100
                Re: Mass storage sizes Kushal Kumaran <kushal@locationd.net> - 2025-01-07 20:20 +0100
                Re: Mass storage sizes Nicolas George <george@nsup.org> - 2025-01-07 21:10 +0100
                Re: Mass storage sizes Michael Stone <mstone@debian.org> - 2025-01-07 23:10 +0100
                Re: Mass storage sizes Urs Thuermann <urs@isnogud.escape.de> - 2025-01-10 03:00 +0100
                Re: Mass storage sizes Michael Stone <mstone@debian.org> - 2025-01-10 05:30 +0100
                Re: Mass storage sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2025-01-10 15:40 +0100
                Re: Mass storage sizes Charles Curley <charlescurley@charlescurley.com> - 2025-01-07 23:10 +0100
                Re: Mass storage sizes gene heskett <gheskett@shentel.net> - 2025-01-08 00:30 +0100
                Re: Mass storage sizes "Thomas Schmitt" <scdbackup@gmx.net> - 2025-01-07 17:40 +0100
                Re: Mass storage sizes Stefan Monnier <monnier@iro.umontreal.ca> - 2025-01-07 20:30 +0100
                Re: Mass storage sizes (was: /dev/serial/by-id) Jeffrey Walton <noloader@gmail.com> - 2025-01-09 08:40 +0100
                Re: /dev/serial/by-id Max Nikulin <manikulin@gmail.com> - 2025-01-08 04:00 +0100
                Re: /dev/serial/by-id Max Nikulin <manikulin@gmail.com> - 2025-01-08 04:10 +0100
                Re: /dev/serial/by-id Anssi Saari <anssi.saari@debian-user.mail.kapsi.fi> - 2025-01-07 11:20 +0100
                Specific mdadm instructions for Gene [WAS Re: new computer arriving  soon] "Andrew M.A. Cater" <amacater@einval.com> - 2025-01-02 17:00 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new computer  arrivingsoon] gene heskett <gheskett@shentel.net> - 2025-01-02 23:10 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new computer  arrivingsoon] Andy Smith <andy@strugglers.net> - 2025-01-02 23:20 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new computer  arrivingsoon] Nicolas George <george@nsup.org> - 2025-01-02 23:30 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new computer  arrivingsoon] Michael Stone <mstone@debian.org> - 2025-01-03 00:10 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new computer arrivingsoon] Jeffrey Walton <noloader@gmail.com> - 2025-01-03 04:00 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new  computerarrivingsoon] gene heskett <gheskett@shentel.net> - 2025-01-03 05:00 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new  computerarrivingsoon] Andy Smith <andy@strugglers.net> - 2025-01-03 14:00 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new computer  arrivingsoon] Max Nikulin <manikulin@gmail.com> - 2025-01-03 03:40 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new  computerarrivingsoon] gene heskett <gheskett@shentel.net> - 2025-01-03 05:10 +0100
                Re: Specific mdadm instructions for Gene [WAS Re: new  computerarrivingsoon] Max Nikulin <manikulin@gmail.com> - 2025-01-04 04:30 +0100
                Re: Specific mdadm instructions for Gene [WAS Re:  newcomputerarrivingsoon] gene heskett <gheskett@shentel.net> - 2025-01-04 04:50 +0100
                sgdisk missing under Armbian for Gene [WAS Specific mdadm  instructions for Gene] "Andrew M.A. Cater" <amacater@einval.com> - 2025-01-03 12:40 +0100
                Re: sgdisk missing under Armbian for Gene [WAS Specific mdadm  instructions for Gene] Nicolas George <george@nsup.org> - 2025-01-03 12:50 +0100
                Re: sgdisk missing under Armbian for Gene [WAS Specific  mdadminstructions for Gene] gene heskett <gheskett@shentel.net> - 2025-01-03 17:40 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 04:00 +0100
                Re: new computer arriving soon gene heskett <gheskett@shentel.net> - 2025-01-02 05:30 +0100
                Re: new computer arriving soon George at Clug <Clug@goproject.info> - 2025-01-02 08:30 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-02 23:40 +0100
                Re: new computer arriving soon fxkl47BF@protonmail.com - 2025-01-02 23:50 +0100
                Re: new computer arriving soon George at Clug <Clug@goproject.info> - 2025-01-03 00:00 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-03 00:20 +0100
                Re: new computer arriving soon George at Clug <Clug@goproject.info> - 2025-01-03 00:50 +0100
                Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2025-01-03 17:00 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-03 17:20 +0100
                Re: new computer arriving soon David Wright <deblis@lionunicorn.co.uk> - 2025-01-10 05:50 +0100
                Re: new computer arriving soon Greg Wooledge <greg@wooledge.org> - 2025-01-03 00:10 +0100
                Re: new computer arriving soon George at Clug <Clug@goproject.info> - 2025-01-03 00:00 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-03 00:00 +0100
                Re: new computer arriving soon  George at Clug <Clug@goproject.info> - 2025-01-03 00:40 +0100
                Re: new computer arriving soon Andy Smith <andy@strugglers.net> - 2025-01-03 00:50 +0100
                Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2025-01-03 17:00 +0100
                Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 16:30 +0100
              Re: new computer arriving soon Frank Guthausen <fg.debian@shimps.de> - 2024-12-31 20:20 +0100
              Re: new computer arriving soon Max Nikulin <manikulin@gmail.com> - 2025-01-02 04:10 +0100
                Re: new computer arriving soon Michael Stone <mstone@debian.org> - 2025-01-02 23:50 +0100
                Re: new computer arriving soon Marc Shapiro <marcnshap@gmail.com> - 2025-01-06 06:10 +0100
          Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-12-27 20:20 +0100
  Re: new computer arriving soon George at Clug <Clug@goproject.info> - 2024-12-22 00:40 +0100
    Re: new computer arriving soon "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-12-22 02:30 +0100
      Re: new computer arriving soon George at Clug <Clug@goproject.info> - 2024-12-22 05:50 +0100
  Re: new computer arriving soon songbird <songbird@anthive.com> - 2024-12-22 17:20 +0100

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