MySQL backup fails with the error "“inappropriate IOCTL for device”.

"/var/local/mysql_binlogs/mysql-bin.003295"Inappropriate IOCTL for device
backup:ERROR: copy-plugin exited with error 256


The above error is just a warning. It can be resolved by adding the warning to tar warnings white-list. This will not affect any of the MySQL-ZRM functionality.

  • Login to MYSQL-ZRM client server command line.
  • Add the error text in the tar warning file using below command.

    echo "Inappropriate IOCTL for device" >> /usr/share/mysql-zrm/plugins/tar_warnings.txt

  • Rerun the backup.

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Please follow the above steps to fix the issue. In case if you need any assistance, kindly contact support.
support can be reached @ [email protected]
Or call us @ 888-496-2632 (U.S.)/ 408-732-3208 (INTL)