Like any other system, a good maintenance plan is important to ensure the best possible operations. In order of importance with the first one being the most important.
The single most important task is to ensure the backups are running. Backups strategies are discussed in the Pacific EMIS Systems Administrator Guide (https://docs.pacific-emis.org/doku.php?id=emis_systems_administrator_manual#backup_and_disaster_recovery)
A system is only as good as the data it is being fed. Users are responsible to do the following:
Upgrades may become less and less often as the software matures. The process is outlined in the Pacific EMIS Systems Administrator Guide (https://docs.pacific-emis.org/doku.php?id=emis_systems_administrator_manual#upgrade)
It may happen over time that it is necessary to migrate the system to another hardware (disaster recovery, maintenance of hardware, etc.). For this you may need to do a new deployment. The process is outlined in the Pacific EMIS Systems Administrator Guide (https://docs.pacific-emis.org/doku.php?id=emis_systems_administrator_manual#new_deployment).