Simple solution for backing up to external hard disc

Discussion in 'Other Operating Systems' started by schnappy, Jul 13, 2020.

  1. schnappy

    schnappy Member

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    Hi,

    I have two external hard drives and need to pick my favourite data to back up to them.

    Currently I have used a file manager to copy (Presumerably equivalent to just doing cp) some files, then used diff (Is this reliable for non-text data?) to very the files copied accurately, and then calculated all the md5sums for everything on the external drive so that at any time I can plug it in and verify all md5's.

    Is there a more elegant solution to this? I have made notes of how to do various steps in the future when I forget how to do it, but feel like there may be a more off the shelf solution that is more appropriate. One challenge is if the NAS has /dir/one/mynewfile created and should be added to the backup I don't have a fast way to sync the folders and calculate the md5sum.

    I suspect there is a filesystem that builds in equivalent functionality to how I am using md5sums at a minimum. Currently I am using ext4.

    Cheers
     
  2. GumbyNoTalent

    GumbyNoTalent Member

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  3. OP
    OP
    schnappy

    schnappy Member

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    Looks perfect, thanks. I will try it this week.
     

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