What are Koha's scheduled outage times?
Koha routine "housekeeping" functions, such as backups, reindexes, scheduled reports and more, are carried out overnight, outside of normal business hours. During a database dump there will be a period of 2-3 minutes when Koha is unresponsive. Database dumps occur at 2200 and 0600 hours AEST.
In addition to this, each Sunday there will be a 3 hour outage from 0400 AEST while a full image of the servers is performed.