> > Sequoia and Tungsten don't really address the same needs. Are you trying to > combine both to have Sequoia for LAN replication and Tungsten for WAN > replication between Sequoia clusters?
Please excuse my ignorance. In a nutshell I am looking for a high availability solution for postgres. Ideally I would have one primary database, one failover database (which ideally could be used for read only access for reporting and such) and one database at a remote location in case something happened to the primary datacenter. Ideally the failover in the primary datacenter would be automatic (with alerting and monitoring) but the failover to the second database doesn't have to be. Ideally it would be pretty easy and efficient to fail back to the primary once the problem with the primary has been solved. Ideally this would allow me to upgrade the databases withouth downtime.
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