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 |xtrabackup| Exit Codes
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The |xtrabackup| binary exits with the traditional success value of 0 after a backup when no error occurs. If an error occurs during the backup, the exit value is 1.

In certain cases, the exit value can be something other than 0 or 1, due to the command-line option code included from the |MySQL| libraries. An unknown command-line option, for example, will cause an exit code of 255.
