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In Azure all Virtual machines can be deployed as part of an Availability Set. This will assure that VMs that are part of the same Availability Set won’t be affected at the same time by Azure maintenance, windows updates etc.
Hibernate FSS Group
Since 2024.01 a FSS group can be configured to be a hibernate FSS Group. See FSS Scaling using Hibernate FSS Groups
High available scenarios
On a high level the different scenarios for running Delft-FEWS in a highly available manner when the primary Azure region fails, from most high available to least available
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