The https://usegalaxy.cz service will be migrated to the more stable environment of VMWare cluster on Thursday Aug 24. Existing user data will be migrated as well.
The service will become unavailable from 10 am CEST (after that time we do not guarantee correct migration of newer data, though), and the outage is expected to end in early afternoon. However, the IP address and DNS records are going to be changed as well, their propagation will take some time. Therefore, the service is expected to be fully available again from Friday Aug 25.
With apologies and thanks for understanding
Galaxy MetaCenter Team