[ClusterLabs] Postgres clone resource does not get "notice" events

vitaly vitaly at unitc.com
Sat Jul 2 16:11:46 EDT 2022


Sorry, I noticed that I am missing meta "notice=true" and after adding it to postgres-ms configuration "notice" events started to come through.
Item 1 still needs explanation. As pacemaker-controld keeps complaining.
Thanks!
_Vitaly

> On 07/02/2022 2:04 PM vitaly <vitaly at unitc.com> wrote:
> 
>  
> Hello Everybody.
> I have a 2 node cluster with clone resource “postgres-ms”. We are running following versions of pacemaker/corosync:
> d19-25-left.lab.archivas.com ~ # rpm -qa | grep "pacemaker\|corosync"
> pacemaker-cluster-libs-2.0.5-9.el8.x86_64
> pacemaker-libs-2.0.5-9.el8.x86_64
> pacemaker-cli-2.0.5-9.el8.x86_64
> corosynclib-3.1.0-5.el8.x86_64
> pacemaker-schemas-2.0.5-9.el8.noarch
> corosync-3.1.0-5.el8.x86_64
> pacemaker-2.0.5-9.el8.x86_64
> 
> There are couple of issues that could be related. 
> 1. There are following messages in the logs coming from pacemaker-controld:
> Jul  2 14:59:27 d19-25-right pacemaker-controld[1489734]: error: Failed to receive meta-data for ocf:heartbeat:pgsql-rhino
> Jul  2 14:59:27 d19-25-right pacemaker-controld[1489734]: warning: Failed to get metadata for postgres (ocf:heartbeat:pgsql-rhino)
> 
> 2. ocf:heartbeat:pgsql-rhino does not get any "notice" operations which causes multiple issues with postgres synchronization during availability events. 
> 
> 3. Item 2 raises another question. Who is setting these values:
> ${OCF_RESKEY_CRM_meta_notify_type}
> ${OCF_RESKEY_CRM_meta_notify_operation}
> 
> Here is excerpt from cluster config:
> 
> d19-25-left.lab.archivas.com ~ # pcs config 
> 
> Cluster Name: 
> Corosync Nodes:
>  d19-25-right.lab.archivas.com d19-25-left.lab.archivas.com
> Pacemaker Nodes:
>  d19-25-left.lab.archivas.com d19-25-right.lab.archivas.com
> 
> Resources:
>  Clone: postgres-ms
>   Meta Attrs: promotable=true target-role=started
>   Resource: postgres (class=ocf provider=heartbeat type=pgsql-rhino)
>    Attributes: master_ip=172.16.1.6 node_list="d19-25-left.lab.archivas.com d19-25-right.lab.archivas.com" pgdata=/pg_data remote_wals_dir=/remote/walarchive rep_mode=sync reppassword=XXXXXX repuser=XXXXXXX restore_command="/opt/rhino/sil/bin/script_wrapper.sh wal_restore.py  %f %p" tmpdir=/pg_data/tmp wals_dir=/pg_data/pg_wal xlogs_dir=/pg_data/pg_xlog
>    Meta Attrs: is-managed=true
>    Operations: demote interval=0 on-fail=restart timeout=120s (postgres-demote-interval-0)
>                methods interval=0s timeout=5 (postgres-methods-interval-0s)
>                monitor interval=10s on-fail=restart timeout=300s (postgres-monitor-interval-10s)
>                monitor interval=5s on-fail=restart role=Master timeout=300s (postgres-monitor-interval-5s)
>                notify interval=0 on-fail=restart timeout=90s (postgres-notify-interval-0)
>                promote interval=0 on-fail=restart timeout=120s (postgres-promote-interval-0)
>                start interval=0 on-fail=restart timeout=1800s (postgres-start-interval-0)
>                stop interval=0 on-fail=fence timeout=120s (postgres-stop-interval-0)
> Thank you very much!
> _Vitaly
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