High Availability for a Vertica in Eon Mode Database with Read-Only Mode
Sruthi Anumula, Senior Database Support Engineer
January 9, 2023
When Vertica is deployed in Eon Mode, there are two major requirements for high availability: maintaining quorum and shard coverage. If either of them is lost, the whole cluster goes down. Before going into details, let us understand what quorum and shard coverage mean. Quorum: In Eon Mode, more than half of the primary nodes...