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41 lines
1.1 KiB
41 lines
1.1 KiB
6 years ago
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# repmgr Postgres cluster
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https://repmgr.org/docs/repmgr.html
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Postgres 11 with streaming replication and backups.
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# Servers
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pg-oca --- Master Postgres Server
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pg-oca-rep1 --- Standby Postgres Server
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pg-oca-hdd --- Standby Postgres Server
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pg-oca-barman --- Postgres Backup Server
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pg-oca-witness-1 --- Postgres Witness Server
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Each server has two ethernet interfaces. One for the VPN for ssh,
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and the second for database backend communication.
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# Install
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Add Postgres community repository to each server.
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Install Postgres 11 server.
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# System Configuration
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Configure firewall.
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Configure base Postgres 11 server.
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pg_hba.conf and tuning
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Configure ssh between nodes.
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Which users?
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# repmgr Cluster Configuration
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Set up nodes to communicate.
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Node pg-oca is master.
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Node pg-oca-rep1 does streaming replication of pg-oca.
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Node pg-oca-hdd does streaming replication of pg-oca-rep1 and stores to hard disk platters instead of NVMe drives.
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Node pg-oca-barman runs the Postgres barman backup system, and does backups of pg-oca-rep1.
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Node pg-oca-witness-1 is a Postgres witness server. It isn't needed at present.
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