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  1. Moodle
  2. MDL-45714

Backup temp files too aggressively removed

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Critical Critical
    • 2.6.4, 2.7.1
    • 2.4.10, 2.5.6, 2.6.3, 2.7
    • Backup
    • MOODLE_24_STABLE, MOODLE_25_STABLE, MOODLE_26_STABLE, MOODLE_27_STABLE
    • MOODLE_26_STABLE, MOODLE_27_STABLE
    • MDL-45714-master
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      1. Run a backup once, so that all directories are created.
      2. In a Mac or Linux shell (sorry) 

        cd dataroot/temp/backup/
        		 
        touch 1 && touch -A -320000 1
        		 
        touch 2 && touch -t 201305140100 2
        		 
        chmod 777 1
        		 
        chmod 777 2

      3. The backup folder should now contain files 1 & 2
      4. Run a backup
      5. File 2 should now be gone
      6. In the shell, do 

        touch 2 && touch -t 201305140100 2
        		 
        chmod 777 2

      7. You should now have files 1 and 2 again
      8. Run a restore
      9. File 2 should be gone
      Show
      Run a backup once, so that all directories are created. In a Mac or Linux shell (sorry) cd dataroot/temp/backup/ touch 1 && touch -A -320000 1 touch 2 && touch -t 201305140100 2 chmod 777 1 chmod 777 2 The backup folder should now contain files 1 & 2 Run a backup File 2 should now be gone In the shell, do touch 2 && touch -t 201305140100 2 chmod 777 2 You should now have files 1 and 2 again Run a restore File 2 should be gone

      At a number of places in the backup and restore code, all temp/backup dirs/files are deleted after 4 hours. That means that if a user runs a restore (at T+0) that takes, lets say 6 hours, and another user starts or finishes a backup, or finishes a restore in the time from T+4h to T+6h, the first restore will fail because it's temporary files were removed in the interm.

            emerrill Eric Merrill
            emerrill Eric Merrill
            Andrew Lyons Andrew Lyons
            Damyon Wiese Damyon Wiese
            Jason Fowler Jason Fowler
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              Created:
              Updated:
              Resolved:

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