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Jun 9, 2010, 3:47:33 PM (
= Trac Backup =
Since Trac uses a database backend, some extra care is required to safely create a backup of a [wiki:TracEnvironment project environment]. Luckily, [wiki:TracAdmin trac-admin] has a command to make backups easier: `hotcopy`.
''Note: Trac uses the `hotcopy` nomenclature to match that of [http://subversion.tigris.org/ Subversion], to make it easier to remember when managing both Trac and Subversion servers.''
== Creating a Backup ==
To create a backup of a live TracEnvironment, simply run:
$ trac-admin /path/to/projenv hotcopy /path/to/backupdir
[wiki:TracAdmin trac-admin] will lock the database while copying.''
The resulting backup directory is safe to handle using standard file-based backup tools like `tar` or `dump`/`restore`.
Please, note, that hotcopy command does not overwrite target directory and when such exists, hotcopy ends with error: `Command failed: [Errno 17] File exists:` This is discussed in [trac:ticket:3198 #3198].
=== Restoring a Backup ===
Backups are simply a copied snapshot of the entire [wiki:TracEnvironment project environment] directory, including the SQLite database.
To restore an environment from a backup, simply stop the process running Trac (i.e. the Web server or [wiki:TracStandalone tracd]), restore the directory structure from the backup and restart the service.
''Note: Automatic backup of environments that don't use SQLite as database backend is not supported at this time. As a workaround, we recommend that you stop the server, copy the environment directory, and make a backup of the database using whatever mechanism is provided by the database system.''
See also: TracAdmin, TracEnvironment, TracGuide, TracMigrate
Part of ORBIT