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Groups > linux.debian.user > #266028

Re: 512e vs 4K sector confusion

From Andy Smith <andy@strugglers.net>
Newsgroups linux.debian.user
Subject Re: 512e vs 4K sector confusion
Date 2024-01-16 01:40 +0100
Message-ID <HWFEJ-3mEU-7@gated-at.bofh.it> (permalink)
References <HW3J7-2ZIb-5@gated-at.bofh.it> <HWmVr-3b5K-1@gated-at.bofh.it> <HWnRw-3bI8-5@gated-at.bofh.it> <HWCGS-3kRh-17@gated-at.bofh.it>
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Hello,

On Mon, Jan 15, 2024 at 03:20:51PM -0600, Nicholas Geovanis wrote:
> In your dd commands that moved these filesystems, did you specify ibs=
> and/or obs=

No. I don't see how that would make any difference. I could as well
have used "cat|ssh" instead of "dd|ssh". Also note that the image
files had identical sha256sum on both sides afterwards, so they are
the same data internally. The different behaviour must be triggered
externally to the disk images, which I can only think to be what
Linux considers the correct sector size for the devices.

Thanks,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

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Thread

512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-14 09:10 +0100
  Re: 512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-14 09:20 +0100
    Re: 512e vs 4K sector confusion "Alexander V. Makartsev" <avbetev@gmail.com> - 2024-01-14 12:30 +0100
    Re: 512e vs 4K sector confusion Arno Lehmann <al@its-lehmann.de> - 2024-01-14 12:40 +0100
  Re: 512e vs 4K sector confusion "Thomas Schmitt" <scdbackup@gmx.net> - 2024-01-14 14:30 +0100
    Re: 512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-14 17:20 +0100
      Re: 512e vs 4K sector confusion "Thomas Schmitt" <scdbackup@gmx.net> - 2024-01-14 18:00 +0100
  Re: 512e vs 4K sector confusion Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-01-14 19:20 +0100
  Re: 512e vs 4K sector confusion Stefan Monnier <monnier@iro.umontreal.ca> - 2024-01-15 05:40 +0100
    Re: 512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-15 06:40 +0100
      Re: 512e vs 4K sector confusion Nicolas George <george@nsup.org> - 2024-01-15 22:30 +0100
      Re: 512e vs 4K sector confusion Nicholas Geovanis <nickgeovanis@gmail.com> - 2024-01-15 22:30 +0100
        Re: 512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-16 01:40 +0100
        Re: 512e vs 4K sector confusion Teemu Likonen <tlikonen@iki.fi> - 2024-01-16 17:40 +0100
      Re: 512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-17 08:30 +0100
  Re: 512e vs 4K sector confusion Andy Smith <andy@strugglers.net> - 2024-01-20 22:30 +0100

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