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How should hard drive be partitioned for Plesk Linux installation?

kb: how-to Plesk for Linux ABT: Group A

Applicable to:

  • Plesk for Linux

Question

How should hard drive be partitioned for Plesk Linux installation?

Answer

Plesk for Linux OS stores user data in the directory /var, by default, so the partitioning should be set up as follows:

CONFIG_TEXT: SWAP -> Refer to the OS vendor recommendation (usually at least the amount of RAM on the server times two).

/    -> 20GB minimum, 50GB recommended. This partition is used for the OS and Plesk updates.

/tmp -> At least 3GB recommended.

/var -> the rest of the space (domains, mail, backups, and databases are stored there)

Note: it may vary. The /usr/local/psa/tmp/ directory (for domains backups) as well as the /usr/local/psa/PMM/tmp/ one (for full server backups) are used as a temporary placeholder for backups. For instance, when downloading a backup file via Plesk GUI, a temporary file with the same size is created in those locations.

Directories, that usually contain large amounts of data, include:

  • /var/www/vhosts - domains content

  • /var/qmail - mail configuration/content

  • /var/lib/mysql - MySQL databases

  • /var/lib/psa/dumps - Plesk client/domain backups

  • /var/lib/pgsql/data - PostgreSQL databases

  • /var/lib/mailman - Mailman lists

The file /etc/psa/psa.conf defines other directories used by Plesk.

On Debian and Ubuntu, Plesk files are located in /opt/psa directory.

More information about partitioning can be found through the following links:

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