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Re: backing up backups

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On Wed, Apr 13, 2022 at 12:09 PM Default User <hunguponcontent@gmail.com>
wrote:

>
>
> On Mon, Apr 11, 2022 at 12:03 PM David Christensen <
> dpchrist@holgerdanske.com> wrote:
>
>> On 4/10/22 22:15, tomas@tuxteam.de wrote:
>> > On Sun, Apr 10, 2022 at 09:44:59PM -0700, David Christensen wrote:
>> >> On 4/10/22 19:58, Default User wrote:
>> >>> Hello!
>> >>>
>> >>> My setup:
>> >>> - single home x86-64 computer running Debian 11 Stable, up to date.
>> >>> - one 4-Tb external usb hard drive to use as a backup device, labeled
>> MSD1.
>> >>> - another identical usb hard drive, labeled MSD2, to use as a copy of
>> the
>> >>> backups on MSD1.
>> >>> - the computer and all storage devices are formatted ext4, not
>> encrypted.
>> >>> - two old Clonezilla disk images from when I installed Debian 11 last
>> year
>> >>> (probably irrelevant).
>> >>> - Timeshift to daily back up system EXCEPT for data directories.
>> >>> - Back in Time to daily back up data directories.
>> >>> - Borgbackup to also daily back up data directories.
>> >>> - Rsync to frequently backup any changed data between the daily Back
>> in
>> >>> Time and Borgbackup backups of data directories, using this command:
>> >>>
>> >>> sudo rsync -aAXHxvv --delete --info=progress2,stats2,name2
>> --exclude-from
>> >>> "/home/default/rsync_exclude_list.txt" /home
>> >>> /media/default/MSD1/rsync_backups_of_host_home_directory_only
>> >>>
>> >>> Each type of backup is in a separate subdirectory on MSD1 (Timeshift,
>> Back
>> >>> in TIme, Rsync, etc.).
>> >>>
>> >>> It "seems" to work okay, BUT . . .
>> >>>
>> >>> Then I try to use rsync to make an identical copy of backup device
>> MSD1 on
>> >>> an absolutely identical 4-Tb external usb hard drive,
>> >>> labeled MSD2, using this command:
>> >>>
>> >>> sudo rsync -aAXHxvv --delete --info=progress2,stats2,name2
>> >>> /media/default/MSD1/ /media/default/MSD2
>> >>
>> >>
>> >> See 'man 1 rsync'.  You have a slash at the end of SRC, but not at the
>> end
>> >> of DEST.  I would add a slash after "MSD2":
>> >
>> > The only thing I find in rsync's man page about trailing slashes
>> > in the `dest' argument would be relevant if MSD2 didn't exist (in
>> > the OP's case it seems it does, no?)
>>
>>
>> There are four combinations for rsync(1) SRC and DEST vs. trailing
>> slashes.  I use two -- trailing slashes on SRC and DEST for directories,
>> and no trailing slashes on SRC and DEST for single files.  The other two
>> combinations may "work" under certain circumstances, but they have
>> caused me grief in the past and I avoid them as a matter of habit.
>>
>>
>> David
>>
>>
>
> Hey guys, sorry for just getting back with you now.
> Unfortunately, I am just now recovering from a self-inflicted computer
> disaster.
>
> While fighting with rsync, I did either:
>
> sudo rsync -aAXHSxvv --delete --info=progress2,stats2,name2
> /media/default/MSD1/ /media/default/MSD2
> or
> sudo rsync -aAXHxvv --delete --info=progress2,stats2,name2
> /media/default/MSD1/ /media/default/MSD2/
>
> Just one small problem: MSD2 was not connected to my computer!
> (Don't say it . . .  )
>
> Instead of giving an error message, rsync just created a directory on my
> computer called /media/defaultMSD2, and filled it up until my / partition
> was full, and THEN my desktop environment (Cinnamon) popped up a
> notification saying so.  How thoughtful.
>
> The computer then would not reboot into the operating system.
>
> No problem, I say. I will just use Timeshift to restore from its backup of
> a few hours earlier.
>
> But that did not work, even after deleting the extra directory, and trying
> restores from multiple Timeshift backups.
>
> Anyway, I never could fix the problem. But I did take it as an opportunity
> to "start over". I put in a new(er) SSD, and did a fresh install, replacing
> Cinnamon with Gnome. Mistake - now I remember why I dislike Gnome, ever
> since Gnome 3. Wish I had re-installed Cinnamon, but too late now, out of
> time. For now I will just have to grit my teeth and live with it.
>
> [BTW, yes, I do have all of my data. Backfilling it into my new setup will
> no doubt be an ongoing adventure.]
>
> Anyway, just a few notes about the rsync situation:
>
> 1) Having or not having a trailing / on the destination directory did not
> seem to make any difference in the size of the copy made, or otherwise.
> Nevertheless, I intend to heed the advice given to have a trailing / after
> both source and destination, or neither, as appropriate.
>
> 2) Using or not using an "S" option with rsync did not seem to make any
> difference, at least concerning the size of the copy made.
>
> 3) Yes, I really should check into using checksums to avoid "bot rot".
> Good advice.
>
> Finally, Gnome sucks.  (Did I mention that?)
>
> Thanks for the replies.
>
>

Uh oh . . .

I just realized, this was supposed to have been sent to
debian-user@lists.debian,org - NOT directly to Daivd Christensen.

Sorry for the mistake.

(Gmail also sucks. At least as far as composing and sending email.)

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Thread

backing up backups Default User <hunguponcontent@gmail.com> - 2022-04-11 05:00 +0200
  Re: backing up backups David <bouncingcats@gmail.com> - 2022-04-11 05:20 +0200
    Re: backing up backups Default User <hunguponcontent@gmail.com> - 2022-04-11 06:00 +0200
  Re: backing up backups David Christensen <dpchrist@holgerdanske.com> - 2022-04-11 06:50 +0200
    Re: backing up backups <tomas@tuxteam.de> - 2022-04-11 07:20 +0200
      Re: backing up backups David Christensen <dpchrist@holgerdanske.com> - 2022-04-11 18:10 +0200
        Re: backing up backups Default User <hunguponcontent@gmail.com> - 2022-04-13 18:30 +0200
          Re: backing up backups David Christensen <dpchrist@holgerdanske.com> - 2022-04-13 22:50 +0200
            Re: backing up backups Default User <hunguponcontent@gmail.com> - 2022-04-14 05:10 +0200
              Re: backing up backups David Christensen <dpchrist@holgerdanske.com> - 2022-04-14 09:30 +0200
                Re: backing up backups Default User <hunguponcontent@gmail.com> - 2022-04-18 22:10 +0200
                Re: backing up backups David Christensen <dpchrist@holgerdanske.com> - 2022-04-19 00:50 +0200
                Re: backing up backups David Wright <deblis@lionunicorn.co.uk> - 2022-04-21 23:00 +0200
  Re: backing up backups Keith Bainbridge <keithrboz@gmail.com> - 2022-04-19 06:00 +0200
  Re: backing up backups David Wright <deblis@lionunicorn.co.uk> - 2022-04-19 18:10 +0200

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