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Table of Contents
Trac backups are a copied snapshot of the entire project environment directory, including the database. Backups can be created using the
hotcopy command of trac-admin.
Note: Trac uses the
hotcopy nomenclature to match that of Subversion, to make it easier to remember when managing both Trac and Subversion servers.
Creating a Backup
Create a backup of a live TracEnvironment by running:
$ trac-admin /path/to/projenv hotcopy /path/to/backupdir
The database will be locked while hotcopy is running.
The resulting backup directory is safe to handle using standard file-based backup tools like
Please note, the
hotcopy command will not overwrite a target directory. When the target exists the operation will end with an error:
Command failed: [Errno 17] File exists: This is discussed in #3198.
Restoring a Backup
To restore an environment from a backup, stop the process running Trac, ie the web server or tracd, restore the contents of your backup to your project environment directory and restart the process.
If you are using a database other than SQLite, you'll need to restore the database from the dump file. The dump file is saved in the environment
To restore a PostgreSQL database backup, use the command:
$ psql -U <user> -d <database> -f /path/to/postgresql.dump
<database> option is the same as the database connection string in the [trac] database option of the project's
Similarly, for MySQL:
$ mysql -u <user> -p <database> < /path/to/mysql.dump
See also: TracAdmin, TracEnvironment, TracMigrate