# System configuration

For a proper system operation, the **LIBSAFE** system administrator will need to have proper configuration of the following:

1. **License**: it activates the operation of the application. It may have a limit for the maximum volume of objects to preserve, based on the original object sizes; that is, the copies made of objects do not count against the license.
2. **Storage groups** and **disks**: it sets the disk structure, and their association to storage groups, to allow for the distribution of preservation copies. The most important implication is the need to have as many storage groups as the maximum number of copies of an object, as configured in a preservation plan.
3. **Users** and **user groups** (and **permissions**): they define the application users, their grouping (which is recommended to be done with functional criteria) and the associated permissions. Most permission assigned to users and preservation administrators are set by preservation areas.
4. **Programmed tasks**: they set the period for execution of some tasks. It is configured by system administrators, as these tasks usually imply big volumes of work and their impact on system performance has to be considered.

It is necessary that the system administrator and the preservation administrators work closely, for the former to guarantee the correct configuration of the system. Of special importance are the user base administrative control, the storage sizing (and license), and the capacity to process objects through filters, checks and sanitizers.


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