Le 03/12/2012 15:24, Brett Maton a écrit :
Hi List,
I'm new to corosync / pacemaker so please forgive my ignorance!
I currently have Postgres streaming replication between node1(master) and
node2(slave, hot standby), the replication user authenticates to master using
an md5 password.
All good there...
My goal use pacemaker / heartbeat to move VIP and promote node2 if node1
fails, without using drdb or pg-pool.
What I'm having trouble with is finding resources for learning what I need
to configure with regards to corosync / pacemaker to implement failover. All
of the guides I've found use DRDB and/or a much more robust network
configuration.
I'm currently using CentOS 6.3 with PostgreSQL 9.2
corosync-1.4.1-7.el6_3.1.x86_64
pacemaker-1.1.7-6.el6.x86_64
node1 192.168.0.1
node2 192.168.0.2
dbVIP 192.168.0.101
Any help and suggested reading appreciated.
Thanks in advance,
Brett
Well, if you don't need shared storage and only a VIP over which
postgres runs, I guess the official guide should be good:
http://clusterlabs.org/doc/en-US/Pacemaker/1.1-crmsh/html-single/Clusters_from_Scratch/
Forget the drdb stuff, and base your configuration on the httpd examples
that collocates a VIP and an httpd daemon in an active/passive two nodes
cluster. (Chapter 6).
--
Cheers,
Florian Crouzat
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