Appending backups

  • Just hit a issue where we had a 40gb backup file for a database with an mdf of less than 2gb and tran log less than half a gb.

    Noticed someone had set the backup for this database to append the backup file in stead of overwrite it.

    Just wondering why would you want to append a backup instead of overwrite it?

  • roblew 15918 (3/23/2015)


    Just hit a issue where we had a 40gb backup file for a database with an mdf of less than 2gb and tran log less than half a gb.

    Noticed someone had set the backup for this database to append the backup file in stead of overwrite it.

    Just wondering why would you want to append a backup instead of overwrite it?

    If you overwrite a backup

    1) you cannot restore data from a previous backup after it gets overwritten with updated rows

    2) you can save space

    3) you have no backup left to restore data if you are overwriting a previous backup and the backup fails

    “If your actions inspire others to dream more, learn more, do more and become more, you are a leader.” -- John Quincy Adams

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