[ClusterLabs] Floating IP active in both nodes

[Gabriel Buades]

Hello Andrei.


I did not add lvs_support at first. I added it later when noticed the
problem to test if something changes, but I got same result

Gabriel


El vie., 26 oct. 2018 a las 11:47, Andrei Borzenkov (<arvidjaar at gmail.com>)
escribió:

> 26.10.2018 11:14, Gabriel Buades пишет:
> > Dear cluster labs team.
> >
> > I previously configured a two nodes cluster with replicated maria Db.
> > To use one database as the active, and the other one as failover, I
> > configured a cluster using heartbeat:
> >
> > root at logpmgid01v:~$ sudo crm configure show
> > node $id="59bbdb76-be67-4be0-aedb-9e27d65f371e" logpmgid01v
> > node $id="adbc5972-c491-4fc4-b87d-8170e1b2d4d0" logpmgid02v \
> > attributes standby="off"
> > primitive site_one_ip ocf:heartbeat:IPaddr \
> > params ip="192.168.2.200" cidr_netmask="255.255.252.0" nic="eth0" \
> > op monitor interval="40s" timeout="20s"
> > location site_one_ip_pref site_one_ip 100: logpmgid01v
> > property $id="cib-bootstrap-options" \
> > dc-version="1.1.10-42f2063" \
> > cluster-infrastructure="heartbeat" \
> > stonith-enabled="false"
> >
> > Now, I've done a similar setup using corosync:
> > root at 908soffid02:~# crm configure show
> > node 1: 908soffid01
> > node 2: 908soffid02
> > primitive site_one_ip IPaddr \
> > params ip=10.6.12.118 cidr_netmask=255.255.0.0 nic=ens160
> lvs_support=true \
>
> What is the reason you added lvs_support? Previous configuration did not
> have it.
>
> > meta target-role=Started is-managed=true
> > location cli-prefer-site_one_ip site_one_ip role=Started inf: 908soffid01
> > location site_one_ip_pref site_one_ip 100: 908soffid01
> > property cib-bootstrap-options: \
> > have-watchdog=false \
> > dc-version=1.1.14-70404b0 \
> > cluster-infrastructure=corosync \
> > cluster-name=debian \
> > stonith-enabled=false \
> > no-quorum-policy=ignore \
> > maintenance-mode=false
> >
> > Apparently, it works fine, and floating IP address is active in node1:
> > root at 908soffid02:~# crm_mon -1
> > Last updated: Fri Oct 26 10:06:12 2018 Last change: Fri Oct 26 10:02:53
> > 2018 by root via cibadmin on 908soffid02
> > Stack: corosync
> > Current DC: 908soffid01 (version 1.1.14-70404b0) - partition with quorum
> > 2 nodes and 1 resource configured
> >
> > Online: [ 908soffid01 908soffid02 ]
> >
> >  site_one_ip (ocf::heartbeat:IPaddr): Started 908soffid01
> >
> > But when node2 tries to connect to the floating IP address, it gets
> > connected to itself, despite the IP address is bound to the first node:
> > root at 908soffid02:~# ssh root at 10.6.12.118 hostname
> > root at soffiddb's password:
> > 908soffid02
> >
> > I'd want the second node connects to the actual floating IP address, but
> I
> > cannot see how to set it up. Any help is welcome.
> >
> > I am using pacemaker 1.1.14-2ubuntu1.4 and corosync 2.3.5-3ubuntu2.1
> >
> > Kind regards.
> >
> >
> >
> > Gabriel Buades
> >
> >
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