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MARIADB-HOTCOPY(1) MariaDB Database System MARIADB-HOTCOPY(1) NAME mariadb-hotcopy - a database backup program (mariadb-hotcopy is now a sym- link to mariadb-hotcopy) SYNOPSIS mariadb-hotcopy arguments DESCRIPTION mariadb-hotcopy is a Perl script that was originally written and con- tributed by Tim Bunce. It uses FLUSH TABLES, LOCK TABLES, and cp or scp to make a database backup. It is a fast way to make a backup of the database or single tables, but it can be run only on the same machine where the database directories are located. mariadb-hotcopy works only for backing up MyISAM and ARCHIVE tables. It runs on Unix and NetWare. To use mariadb-hotcopy, you must have read access to the files for the ta- bles that you are backing up, the SELECT privilege for those tables, the RELOAD privilege (to be able to execute FLUSH TABLES), and the LOCK TABLES privilege (to be able to lock the tables). shell> mariadb-hotcopy db_name [/path/to/new_directory] shell> mariadb-hotcopy db_name_1 ... db_name_n /path/to/new_directory Back up tables in the given database that match a regular expression: shell> mariadb-hotcopy db_name./regex/ The regular expression for the table name can be negated by prefixing it with a tilde ("~"): shell> mariadb-hotcopy db_name./~regex/ mariadb-hotcopy supports the following options, which can be specified on the command line or in the [mariadb-hotcopy] and [client] option file groups. * --help, -? Display a help message and exit. * --addtodest Do not rename target directory (if it exists); merely add files to it. * --allowold Do not abort if a target exists; rename it by adding an _old suffix. * --checkpoint=db_name.tbl_name Insert checkpoint entries into the specified database db_name and table tbl_name. * --chroot=path Base directory of the chroot jail in which mariadbd operates. The path value should match that of the --chroot option given to mariadbd. * --debug Enable debug output. * --dryrun, -n Report actions without performing them. * --flushlog Flush logs after all tables are locked. * --host=host_name, -h host_name The host name of the local host to use for making a TCP/IP connection to the local server. By default, the connection is made to localhost using a Unix socket file. * --keepold Do not delete previous (renamed) target when done. * --method=command The method for copying files (cp or scp). The default is cp. * --noindices Do not include full index files for MyISAM tables in the backup. This makes the backup smaller and faster. The indexes for reloaded tables can be reconstructed later with myisamchk -rq. * --old-server Connect to old MySQL-server (before v5.5) which doesn't have FLUSH TA- BLES WITH READ LOCK fully implemented.. * --password=password, -ppassword The password to use when connecting to the server. The password value is not optional for this option, unlike for other MariaDB programs. Specifying a password on the command line should be considered inse- cure. You can use an option file to avoid giving the password on the command line. * --port=port_num, -P port_num The TCP/IP port number to use when connecting to the local server. * --quiet, -q Be silent except for errors. * --record_log_pos=db_name.tbl_name Record master and slave status in the specified database db_name and table tbl_name. * --regexp=expr Copy all databases with names that match the given regular expression. * --resetmaster Reset the binary log after locking all the tables. * --resetslave Reset the master.info file after locking all the tables. * --socket=path, -S path The Unix socket file to use for connections to localhost. * --suffix=str The suffix to use for names of copied databases. * --tmpdir=path The temporary directory. The default is /tmp. * --user=user_name, -u user_name The MariaDB user name to use when connecting to the server. Use perldoc for additional mariadb-hotcopy documentation, including infor- mation about the structure of the tables needed for the --checkpoint and --record_log_pos options: shell> perldoc mariadb-hotcopy COPYRIGHT Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2025 MariaDB Foundation This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA or see http://www.gnu.org/licenses/. SEE ALSO For more information, please refer to the MariaDB Documentation, available online at https://mariadb.com/docs/ AUTHOR MariaDB Foundation (http://www.mariadb.org/). MariaDB 11.8 5 March 2025 MARIADB-HOTCOPY(1)
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