References
How To Setup PostgreSQL Replication On CentOS
pgpool-II Tutorial [watchdog in master-slave mode]
Replication and Load Balancing with PostgreSQL and Pgpool2
Configuring virtual network interfaces in Linux
How to Install PostgreSQL 9.4 on CentOS/RHEL 7/6/5
Configure Postgresql for Remote Access
How to Set Up PostgreSQL for High Availability and Replication with Hot Standby
Promoting a Standby to the Main server and back
PostgreSQL Replication in 10 Minutes
Failover With PgPool
Installing PostgreSQL without Root
Hot-Standby
Shared Storage only supports cold standby
PgPool Documentation
PgPool FAQ
Scaling PostgreSQL
Hot Standby performance analysis
Why use PgPool II and what you need to know
NOSQL Database Explained
High Availability and Load Balancing Types
Replication Solutions
Postgres-XL
Bi-Directional Replication
Bucardo
PgPool Replication
http://serverfault.com/questions/620309/multiple-postgres-servers-one-writer-multiple-reader-with-shared-disk
http://serverfault.com/questions/386894/pg-pool-failover-leads-to-two-independent-masters-with-network-failure
http://dba.stackexchange.com/questions/34523/postgresql-9-1-how-to-restore-a-hot-standby-slave-w-o-any-wal-files
http://stackoverflow.com/questions/2942485/psql-fatal-ident-authentication-failed-for-user-postgres
