[ClusterLabs] Postgres streaming VIP-REP not coming up on slave

NAKAHIRA Kazutomo nakahira_kazutomo_b1 at lab.ntt.co.jp
Mon Mar 16 07:42:13 UTC 2015


Hi,

 > fine, cl2_lb1 takes over and acts as a slave, but the VIPs does not come

cl2_lb1 acts as a slave? It is not a master?
VIPs comes up with master msPostgresql resource.

If promote action was failed in the cl2_lb1, then
please send a ha-log and PostgreSQL's log.

Best regards,
Kazutomo NAKAHIRA

On 2015/03/16 16:09, Wynand Jansen van Vuuren wrote:
> Hi all,
>
> I have 2 nodes, with 2 interfaces each, ETH0 is used for an application,
> CBC, that's writing to the Postgres DB on the VIP-MASTER 172.28.200.159,
> ETH1 is used for the Corosync configuration and VIP-REP, everything works,
> but if the master currently on cl1_lb1 has a catastrophic failure, like
> power down, the VIPs does not start on the slave, the Postgres parts works
> fine, cl2_lb1 takes over and acts as a slave, but the VIPs does not come
> up. If I test it manually, IE kill the application 3 times on the master,
> the switchover is smooth, same if I kill Postgres on master, but when there
> is a power failure on the Master, the VIPs stay down. If I then delete the
> attributes pgsql-data-status="LATEST" and attributes
> pgsql-data-status="STREAMING|SYNC" on the slave after power off on the
> master and restart everything, then the VIPs come up on the slave, any
> ideas please?
> I'm using this setup
> http://clusterlabs.org/wiki/PgSQL_Replicated_Cluster
>
> With this configuration below
> node cl1_lb1 \
>          attributes pgsql-data-status="LATEST"
> node cl2_lb1 \
>          attributes pgsql-data-status="STREAMING|SYNC"
> primitive CBC_instance ocf:heartbeat:cbc \
>          op monitor interval="60s" timeout="60s" on-fail="restart" \
>          op start interval="0s" timeout="60s" on-fail="restart" \
>          meta target-role="Started" migration-threshold="3"
> failure-timeout="60s"
> primitive failover_MailTo ocf:heartbeat:MailTo \
>          params email="wynandj at rorotika.com" subject="Cluster Status change
> - " \
>          op monitor interval="10" timeout="10" dept="0"
> primitive pgsql ocf:heartbeat:pgsql \
>          params pgctl="/opt/app/PostgreSQL/9.3/bin/pg_ctl"
> psql="/opt/app/PostgreSQL/9.3/bin/psql"
> config="/opt/app/pgdata/9.3/postgresql.conf" pgdba="postgres"
> pgdata="/opt/app/pgdata/9.3/" start_opt="-p 5432" rep_mode="sync"
> node_list="cl1_lb1 cl2_lb1" restore_command="cp /pgtablespace/archive/%f
> %p" primary_conninfo_opt="keepalives_idle=60 keepalives_interval=5
> keepalives_count=5" master_ip="172.16.0.5" restart_on_promote="false"
> logfile="/var/log/OCF.log" \
>          op start interval="0s" timeout="60s" on-fail="restart" \
>          op monitor interval="4s" timeout="60s" on-fail="restart" \
>          op monitor interval="3s" role="Master" timeout="60s"
> on-fail="restart" \
>          op promote interval="0s" timeout="60s" on-fail="restart" \
>          op demote interval="0s" timeout="60s" on-fail="stop" \
>          op stop interval="0s" timeout="60s" on-fail="block" \
>          op notify interval="0s" timeout="60s"
> primitive vip-master ocf:heartbeat:IPaddr2 \
>          params ip="172.28.200.159" nic="eth0" iflabel="CBC_VIP"
> cidr_netmask="24" \
>          op start interval="0s" timeout="60s" on-fail="restart" \
>          op monitor interval="10s" timeout="60s" on-fail="restart" \
>          op stop interval="0s" timeout="60s" on-fail="block" \
>          meta target-role="Started"
> primitive vip-rep ocf:heartbeat:IPaddr2 \
>          params ip="172.16.0.5" nic="eth1" iflabel="REP_VIP"
> cidr_netmask="24" \
>          meta migration-threshold="0" target-role="Started" \
>          op start interval="0s" timeout="60s" on-fail="stop" \
>          op monitor interval="10s" timeout="60s" on-fail="restart" \
>          op stop interval="0s" timeout="60s" on-fail="restart"
> group master-group vip-master vip-rep CBC_instance failover_MailTo
> ms msPostgresql pgsql \
>          meta master-max="1" master-node-max="1" clone-max="2"
> clone-node-max="1" notify="true"
> colocation rsc_colocation-1 inf: master-group msPostgresql:Master
> order rsc_order-1 0: msPostgresql:promote master-group:start
> symmetrical=false
> order rsc_order-2 0: msPostgresql:demote master-group:stop symmetrical=false
> property $id="cib-bootstrap-options" \
>          dc-version="1.1.9-2db99f1" \
>          cluster-infrastructure="classic openais (with plugin)" \
>          expected-quorum-votes="2" \
>          no-quorum-policy="ignore" \
>          stonith-enabled="false" \
>          cluster-recheck-interval="1min" \
>          crmd-transition-delay="0s" \
>          last-lrm-refresh="1426485983"
>          rsc_defaults $id="rsc-options" \
>          resource-stickiness="INFINITY" \
>          migration-threshold="1"
> #vim:set syntax=pcmk
>
> Any ideas please, I'm lost......
>
>
>
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