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sky_postgresql_cluster is a PostgreSQL HA module write in shell, HA via three host, include two postgresql

(primary and stream replication standby) and one vote host. Applicatoin connect to sky_postgresql_cluster via a virtual

ip address.

Requirement :

  1. three host

  2. the two postgresql host must have fence device.

  3. the two PostgreSQL host, one is master, another is standby. standby build with PostgreSQL's stream replication.

  4. sky_postgresql_cluster's status monitor use nagios.

Author : Digoal.zhou

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