Groups > linux.debian.user > #195429

Re: Backup problem using "cp"

From	Richard Owlett <rowlett@cloud85.net>
Newsgroups	linux.debian.user
Subject	Re: Backup problem using "cp"
Date	2018-05-07 16:40 +0200
Message-ID	<vMPsZ-2qc-1@gated-at.bofh.it> (permalink)
References	<vMt98-4Bc-7@gated-at.bofh.it> <vMtC9-527-1@gated-at.bofh.it> <vMMEP-BP-51@gated-at.bofh.it> <vMNUd-1jb-1@gated-at.bofh.it> <vMOQn-1WX-5@gated-at.bofh.it>
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On 05/07/2018 08:54 AM, Richard Hector wrote:
> On 08/05/18 00:55, David Griffith wrote:
>> On May 7, 2018 4:31:16 AM PDT, Richard Owlett <rowlett@cloud85.net> wrote:
>>> On 05/06/2018 10:11 AM, Thomas Schmitt wrote:
>>>> Hi,
>>>>
>>>> Richard Owlett wrote:
>>>>> Thought I was doing that by specifying -x.
>>>>
>>>> Either cp -x has a bug or the target directory is not in a different
>>>> filesystem than "/" and not a mount point of such a filesystem.
>>>>
>>>> Check the device numbers of "/" and "/media/richard/MISC...".
>>>> E.g. like this
>>>>
>>>>     $ stat / | fgrep Device
>>>>     Device: 803h/2051d      Inode: 2           Links: 25
>>>>     $ stat /bkp | fgrep Device
>>>>     Device: 814h/2068d      Inode: 2           Links: 7
>>>>
>>>> Here "/bkp" has a different device number (2068) than "/" (2051).
>>>> So it (its inode, to be exacting) is in a different filesystem.
>>>>
>>>> As contrast see a directory in the same filesystem as "/":
>>>>
>>>>     $ stat /home | fgrep Device
>>>>     Device: 803h/2051d      Inode: 2228225     Links: 60
>>>
>>> I get:
>>> richard@debian-jan13:~$ stat / | fgrep Device
>>> Device: 80eh/2062d	Inode: 2           Links: 22
>>> richard@debian-jan13:~$ stat /media | fgrep Device
>>> Device: 80eh/2062d	Inode: 131073      Links: 5
>>> richard@debian-jan13:~$
>>>
>>> I gather that "cp" is then an inappropriate tool.
>>>
>>> "tar" is inappropriate for my preferences - I was attempting to use
>>> "cp"
>>> as there would be multiple files &/or directories as input *and*
>>> output.
>>>
>>> I suspect long term I want "rsync" [ *MUCH* reading to do! ]
>>
>>
>> You will indeed want rsync.  Essentially, "rsync -av [--delete] <source> <destination> will serve most of your backup needs.
>>
> 
> I habitually include -x in there as well, which I suspect will be needed
> here.
> 
> And for my uses, I always make sure there are trailing slashes on both
> source and destination.
> 

My last run was:
  cp -ax / "/media/richard/MISC backups/dev_sda14/"

Thread

Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-06 16:30 +0200
  Re: Backup problem using "cp" "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-06 16:40 +0200
    Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-06 16:50 +0200
      Re: Backup problem using "cp" "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-06 17:20 +0200
        Re: Backup problem using "cp" Cindy-Sue Causey <butterflybytes@gmail.com> - 2018-05-06 17:30 +0200
        Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 13:40 +0200
          Re: Backup problem using "cp" "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-07 14:10 +0200
            Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 15:10 +0200
              Re: Backup problem using "cp" "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-07 15:30 +0200
                Re: Backup problem using "cp" Bob Weber <bobrweber@gmail.com> - 2018-05-07 16:00 +0200
                Re: Backup problem using "cp" Dan Norton <dnorton@mindspring.com> - 2018-05-07 16:50 +0200
                Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 16:10 +0200
                Re: Backup problem using "cp" David Wright <deblis@lionunicorn.co.uk> - 2018-05-08 03:10 +0200
              Re: Backup problem using "cp" Kushal Kumaran <kushal@locationd.net> - 2018-05-07 19:20 +0200
                Re: Backup problem using "cp" Jude DaShiell <jdashiel@panix.com> - 2018-05-07 20:00 +0200
            Running of rrequested tests - [was Re: Backup problem using "cp"] Richard Owlett <rowlett@cloud85.net> - 2018-05-08 17:20 +0200
              Re: Running of rrequested tests - [was Backup problem using "cp"] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-08 17:50 +0200
                Re: Running of rrequested tests - [was Backup problem using "cp"] Richard Owlett <rowlett@cloud85.net> - 2018-05-08 19:40 +0200
                Re: Running of rrequested tests - [was Backup problem using "cp"] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-08 22:30 +0200
                Re: Running of rrequested tests - [was Backup problem using "cp"] Richard Owlett <rowlett@cloud85.net> - 2018-05-09 14:00 +0200
                Re: Running of rrequested tests - [was Backup problem using "cp"] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-09 15:00 +0200
              Re: Running of rrequested tests - [was Re: Backup problem using "cp"] The Wanderer <wanderer@fastmail.fm> - 2018-05-08 17:50 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] Richard Owlett <rowlett@cloud85.net> - 2018-05-08 19:50 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] The Wanderer <wanderer@fastmail.fm> - 2018-05-09 04:50 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] Richard Owlett <rowlett@cloud85.net> - 2018-05-09 14:30 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] The Wanderer <wanderer@fastmail.fm> - 2018-05-09 14:50 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] Richard Hector <richard@walnut.gen.nz> - 2018-05-09 15:00 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] David Wright <deblis@lionunicorn.co.uk> - 2018-05-09 22:30 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] Greg Wooledge <wooledg@eeg.ccf.org> - 2018-05-09 22:40 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] David Wright <deblis@lionunicorn.co.uk> - 2018-05-10 16:00 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] The Wanderer <wanderer@fastmail.fm> - 2018-05-10 05:00 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] David Wright <deblis@lionunicorn.co.uk> - 2018-05-10 16:20 +0200
                Re: Running of rrequested tests - [was Re: Backup problem using "cp"] David Wright <deblis@lionunicorn.co.uk> - 2018-05-08 21:50 +0200
          Re: Backup problem using "cp" Dan Purgert <dan@djph.net> - 2018-05-07 14:10 +0200
            Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 15:00 +0200
              Re: Backup problem using "cp" Dan Purgert <dan@djph.net> - 2018-05-07 15:20 +0200
              Re: Backup problem using "cp" Andy Smith <andy@strugglers.net> - 2018-05-07 15:30 +0200
                Re: Backup problem using "cp" "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-07 16:00 +0200
                Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 16:20 +0200
                Re: Backup problem using "cp" David Wright <deblis@lionunicorn.co.uk> - 2018-05-08 03:20 +0200
                Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 16:10 +0200
          Re: Backup problem using "cp" David Griffith <dave@661.org> - 2018-05-07 15:00 +0200
            Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 15:50 +0200
            Re: Backup problem using "cp" Richard Hector <richard@walnut.gen.nz> - 2018-05-07 16:00 +0200
              Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-07 16:40 +0200
          Re: Backup problem using "cp" Charlie Gibbs <cgibbs@surfnaked.ca> - 2018-05-07 20:30 +0200
          Re: Backup problem using "cp" David Wright <deblis@lionunicorn.co.uk> - 2018-05-08 03:00 +0200
  Re: Backup problem using "cp" Dan Purgert <dan@djph.net> - 2018-05-06 16:50 +0200
  Re: Backup problem using "cp" Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-06 17:40 +0200
    Re: Backup problem using "cp" Richard Owlett <rowlett@cloud85.net> - 2018-05-06 21:00 +0200
      Re: Backup problem using "cp" David Wright <deblis@lionunicorn.co.uk> - 2018-05-07 00:00 +0200
      Re: Backup problem using "cp" Jonathan Dowland <jmtd@debian.org> - 2018-05-10 10:30 +0200
        Re: Running of rrequested tests - [was Backup problem using "cp"] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-05-10 11:30 +0200
        Re: Backup problem using "cp" David Wright <deblis@lionunicorn.co.uk> - 2018-05-10 15:40 +0200
  SUCCESS!!!! - was {Re: Backup problem using "cp"} Richard Owlett <rowlett@cloud85.net> - 2018-05-11 15:10 +0200
    Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} <tomas@tuxteam.de> - 2018-05-11 15:20 +0200
      Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Richard Owlett <rowlett@cloud85.net> - 2018-05-11 15:30 +0200
        Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} <tomas@tuxteam.de> - 2018-05-11 17:30 +0200
        Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Curt <curty@free.fr> - 2018-05-11 17:40 +0200
          Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Richard Owlett <rowlett@cloud85.net> - 2018-05-11 19:30 +0200
          Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Gene Heskett <gheskett@shentel.net> - 2018-05-11 19:50 +0200
            Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Richard Owlett <rowlett@cloud85.net> - 2018-05-11 22:30 +0200
    Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-11 16:50 +0200
      Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Richard Owlett <rowlett@cloud85.net> - 2018-05-11 20:00 +0200
        Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-05-11 21:50 +0200
          Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} Richard Owlett <rowlett@cloud85.net> - 2018-05-11 22:40 +0200
    Re: SUCCESS!!!! - was {Re: Backup problem using "cp"} David Wright <deblis@lionunicorn.co.uk> - 2018-05-11 17:30 +0200

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