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2.3.2. Database Partitioning
A mounted database partition provides various benefits such as scaling storage to accomodate a growing database, easy backup and transfer through replication, and encryption for added security.
To set up a database partition mount point, follow this procedure prior to installation.
Procedure 2.1. Creating and Mounting a Database Partition
- Log in to the database server as
root. For Embedded Databases, this is the same server as the Red Hat Satellite. - Create the
postgresuser.# useradd -d /var/lib/pgsql -M -r -s /bin/bash -U postgres
- Add the mount point in
/etc/fstab. For example:UUID="xxxxxxxx-xxxx-xxxx" /opt/rh/postgresql92/root/var/lib/pgsql ext4 defaults 0 0
Important
Red Hat does not support storing the database on a network filesystem. - Mount the partition to
/opt/rh/postgresql92/root/var/lib/pgsqland change ownership topostgres:postgres:# mkdir -p /opt/rh/postgresql92/root/var/lib/pgsql # mount /opt/rh/postgresql92/root/var/lib/pgsql # chown postgres:postgres /opt/rh/postgresql92/root/var/lib/pgsql # chmod 700 /opt/rh/postgresql92/root/var/lib/pgsql # restorecon -Rv /opt/rh/postgresql92/root/var/lib/pgsql
The Red Hat Satellite Installation Script will install the database to the partition mounted at
/opt/rh/postgresql92/root/var/lib/pgsql.
Important
Due to an updated version of the PostgreSQL Embedded Database, the database location has changed from
/var/lib/pgsql in Red Hat Satellite 5.6 to /opt/rh/postgresql92/root/var/lib/pgsql in Red Hat Satellite 5.7. Make sure to allocate enough hard disk space to this location.
