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RedmineBackupRestore » History » Version 7

Gerd Pokorra, 2018-07-31 18:08

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h1. Backing up and restoring Redmine
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{{>toc}}
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h2. Backup
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Redmine backups should include:
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* Database
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* Attachments (stored in the @files@ directory under the installation directory by default)
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h3. Backing up database
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h4. MySQL
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The @mysqldump@ command can be used to backup the contents of your MySQL database to a text file. For example:
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<pre>
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/usr/bin/mysqldump -u <username> -p<password> -h <hostname> <redmine_database> > /path/to/backup/db/redmine.sql
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</pre>
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You can find @<username>@, @<password>@, @<hostname>@, and @<redmine_database>@ in the file @config/database.yml@. @<host_name>@ may not be required depending on your installation of the database.
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h4. PostgreSQL
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The @pg_dump@ command can be used to backup the contents of a PostgreSQL database to a text file. Here is an example:
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<pre>
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/usr/bin/pg_dump -U <username> -h <hostname> -Fc --file=redmine.sqlc <redmine_database>
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</pre>
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You can find @<username>@, @<hostname>@, and @<redmine_database>@ in the file @config/database.yml@. @<hostname>@ may not be required depending on your installation of the database. The @pg_dump@ command will prompt you to enter the password when necessary.
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h4. SQLite
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SQLite databases are all contained in a single file, so you can back them up by copying the file to another location.
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You can determine the file name of SQLite database by looking at @config/database.yml@.
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h3. Backing up attachments
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All file uploads are stored in @attachments_storage_path@ (defaults to the @files/@ directory). You can copy the contents of this directory to another location to easily back it up.
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WARNING: @attachments_storage_path@ may point to a different directory other than @files/@. Be sure to check the setting in @config/configuration.yml@ to avoid making a useless backup.
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h3. Sample backup script
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Here is a simple shell script that can be used for daily backups (assuming you're using a MySQL database):
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<pre>
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# Database
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/usr/bin/mysqldump -u <username> -p<password> <redmine_database> | gzip > /path/to/backup/db/redmine_`date +%Y-%m-%d`.gz
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# Attachments
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rsync -a /path/to/redmine/files /path/to/backup/files
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</pre>
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h2. Restore
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h3. Restoring a database
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h4. MySQL
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For example if you have a gziped dump file with the name @2018-07-30.gz@, then the database can be restored with the following command:
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<pre>
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gunzip -c 2018-07-30.gz | mysql -u <username> --password <redmine_database>
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Enter password:
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</pre>
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h4. PostgreSQL
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When the option @-Fc@ of the command @pg_dump@ is used like it is at the above example then you need to use the command @pg_restore@:
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<pre>
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pg_restore -U <username> -h <hostname> -d <redmine_database> redmine.sqlc
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</pre>
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otherwise a text file can be restored with @psql@:
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<pre>
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psql <redmine_database> < <infile>
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</pre> 
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h4. SQLite
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TODO
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h3. Restoring attachments
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TODO