Hi all,
I just complete my HA configuration on Redhat 6.4 enterprise:
Clusterware: Pacemaker 1.1.8 ( CMAN .0.12.1, corosync 1.4.1 )
Resource manager: PCS 0.9.26
PostgreSQL 9.3.3.1
Detailed configuration follow:
http://clusterlabs.org/wiki/PgSQL_Replicated_Cluster#PostgreSQL_.28node1_only.29
Complete the configuration, we find all PostgreSQL is slave status. We
finally find the root cause after google searching. PCS don't apply all
resource configuration definition, it cut configuration parameter at end of
the first "op"
For example:
pcs -f pgsql_cfg resource create pgsql pgsql \
pgctl="/usr/bin/pg_ctl" \
psql="/usr/bin/psql" \
pgdata="/var/lib/pgsql/data/" \
rep_mode="sync" \
node_list="node1 node2" \
restore_command="cp /var/lib/pgsql/pg_archive/%f %p" \
primary_conninfo_opt="keepalives_idle=60 keepalives_interval=5
keepalives_count=5" \
master_ip="192.168.2.3" \
restart_on_promote='true' \
op start timeout="60s" interval="0s" on-fail="restart" \
==============Other op definition is cut
After we upgrade PCS version to the latest 0.9.90. All problem disappear
:)
BWT, we find the app connection does not be interrupted when RA
automatically switch sync replication to async replication ( for example we
kill the slave node).
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