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Groups > linux.debian.user > #178547

Re: Some help with dd backing up into an iso

From "Thomas Schmitt" <scdbackup@gmx.net>
Newsgroups linux.debian.user
Subject Re: Some help with dd backing up into an iso
Date 2017-03-07 18:10 +0100
Message-ID <tiqMy-2br-21@gated-at.bofh.it> (permalink)
References <tip46-X4-33@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi,

tomás wrote:
> But yes dd is a dinosaur from olden times where block sizes were a
> thing

It is also about EBCDIC and byte sex. Last century's topics.
Love, 36 bit, and punched cards.


David Wright wrote:
> no one has pointed out the recklessness of the
> action in the first place.
> Making a backup and then immediately copying it back over the top of
> the original is an obvious recipe for data-loss.

It has its use cases. E.g. before you put a Debian installation ISO
onto an USB stick, it can be used to backup the old stick content and
will also show by hardware blinking that you got the right device path.

Of course one should not do this with valuable data unless one knows
that those data got spoiled between backup and restore.


Have a nice day :)

Thomas

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Thread

Some help with dd backing up into an iso GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-03-07 01:20 +0100
  Re: Some help with dd backing up into an iso Michael Lange <klappnase@freenet.de> - 2017-03-07 02:10 +0100
  Re: Some help with dd backing up into an iso David Christensen <dpchrist@holgerdanske.com> - 2017-03-07 06:10 +0100
    Re: Some help with dd backing up into an iso David Christensen <dpchrist@holgerdanske.com> - 2017-03-07 07:00 +0100
      Re: Some help with dd backing up into an iso "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-07 09:00 +0100
        Re: Some help with dd backing up into an iso GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-03-07 18:30 +0100
          Re: Some help with dd backing up into an iso "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-07 20:20 +0100
            Re: Some help with dd backing up into an iso GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-03-08 05:00 +0100
              Re: Some help with dd backing up into an iso David Christensen <dpchrist@holgerdanske.com> - 2017-03-08 07:00 +0100
              Re: Some help with dd backing up into an iso "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-08 12:10 +0100
                MBR partitioning, and content after partition table but before first  partition David Christensen <dpchrist@holgerdanske.com> - 2017-03-09 06:50 +0100
                Re: MBR partitioning, and content after partition table but before  first partition Felix Miata <mrmazda@earthlink.net> - 2017-03-09 08:00 +0100
                Re: MBR partitioning, and content after partition table but before  first partition David Christensen <dpchrist@holgerdanske.com> - 2017-03-10 06:10 +0100
                Re: MBR partitioning, and content after partition table but before  first partition Jonathan Dowland <jmtd@debian.org> - 2017-03-10 10:00 +0100
                Re: MBR partitioning, and content after partition table but before  first partition David Christensen <dpchrist@holgerdanske.com> - 2017-03-11 07:10 +0100
                Re: MBR partitioning, and content after partition table but before  first partition Jonathan Dowland <jmtd@debian.org> - 2017-03-13 10:10 +0100
                Re: MBR partitioning, and content after partition table but before  first partition David Christensen <dpchrist@holgerdanske.com> - 2017-03-14 04:40 +0100
                Re: MBR partitioning, and content after partition table but before  first partition David <bouncingcats@gmail.com> - 2017-03-14 11:40 +0100
                Re: MBR partitioning, and content after partition table but before  first partition David Christensen <dpchrist@holgerdanske.com> - 2017-03-15 03:50 +0100
                Re: MBR partitioning, and content after partition table but before  first partition The Wanderer <wanderer@fastmail.fm> - 2017-03-14 13:00 +0100
                Re: MBR partitioning, and content after partition table but before  first partition David Christensen <dpchrist@holgerdanske.com> - 2017-03-15 04:10 +0100
                Re: MBR partitioning, and content after partition table but before  first partition Andy Smith <andy@strugglers.net> - 2017-03-15 04:40 +0100
                Re: MBR partitioning, and content after partition table but before  first partition Jonathan Dowland <jmtd@debian.org> - 2017-03-15 13:00 +0100
                Re: MBR partitioning, and content after partition table but before first partition "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-09 08:30 +0100
                Re: MBR partitioning, and content after partition table but before  first partition Jonathan Dowland <jmtd@debian.org> - 2017-03-09 15:40 +0100
    Re: Some help with dd backing up into an iso Teemu Likonen <tlikonen@iki.fi> - 2017-03-07 09:30 +0100
      Re: Some help with dd backing up into an iso <tomas@tuxteam.de> - 2017-03-07 09:40 +0100
        Re: Some help with dd backing up into an iso Teemu Likonen <tlikonen@iki.fi> - 2017-03-07 10:00 +0100
          Re: Some help with dd backing up into an iso <tomas@tuxteam.de> - 2017-03-07 10:10 +0100
          Re: Some help with dd backing up into an iso David Wright <deblis@lionunicorn.co.uk> - 2017-03-07 16:20 +0100
      Re: Some help with dd backing up into an iso Jonathan Dowland <jmtd@debian.org> - 2017-03-07 11:10 +0100
      Re: Some help with dd backing up into an iso David Christensen <dpchrist@holgerdanske.com> - 2017-03-08 06:00 +0100
  Re: Some help with dd backing up into an iso Mark Fletcher <mark27q1@gmail.com> - 2017-03-07 12:10 +0100
  Re: Some help with dd backing up into an iso Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2017-03-07 14:50 +0100
  Re: Some help with dd backing up into an iso Elimar Riesebieter <riesebie@lxtec.de> - 2017-03-07 15:20 +0100
  Re: Some help with dd backing up into an iso David Wright <deblis@lionunicorn.co.uk> - 2017-03-07 16:20 +0100
    Re: Some help with dd backing up into an iso "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-07 18:10 +0100
      Re: Some help with dd backing up into an iso David Wright <deblis@lionunicorn.co.uk> - 2017-03-07 19:00 +0100
        Re: Some help with dd backing up into an iso "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-07 20:30 +0100
          Re: Some help with dd backing up into an iso David Wright <deblis@lionunicorn.co.uk> - 2017-03-07 21:30 +0100
            Re: Some help with dd backing up into an iso "Thomas Schmitt" <scdbackup@gmx.net> - 2017-03-07 22:10 +0100
              Re: Some help with dd backing up into an iso GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-03-08 18:30 +0100
                Re: Some help with dd backing up into an iso David Wright <deblis@lionunicorn.co.uk> - 2017-03-08 19:20 +0100

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