Re: [DOCS] High Availability, Load Balancing, and Replication Feature Matrix

2007-11-19 Thread Bruce Momjian
Markus Schiltknecht wrote: > Eh.. I think you misunderstood. The Sequoia people use RAIDb to mean > Redundant Array of Inexpensive _Databases_. A possible setup might look > like: You are right. I didn't understand that. Interesting. > > I am afraid we are stuck between clarity and understand

Re: [DOCS] High Availability, Load Balancing, and Replication Feature Matrix

2007-11-19 Thread Markus Schiltknecht
Hello Bruce, Bruce Momjian wrote: Depending on the RAIDb level you are using, Sequoia can be considered multi-master (RAIDb-1) or single-master (RAIDb-0). Also note that sequoia can run multiple controllers, thus it does not rely on one central server. But in those cases isn't the multi-mast

Re: [DOCS] High Availability, Load Balancing, and Replication Feature Matrix

2007-11-19 Thread Bruce Momjian
Markus Schiltknecht wrote: > Hello Bruce, > > Bruce Momjian wrote: > > Uh, I think of PgCluster as multi-master, but in a way it is a hybrid > > because there is a central server that gets all the queries. > > Yes, PgCluster as well as Sequoia use statement based replication. > Sequoia is also c