Re: corosync issue with two interface directives

emmanuel segura <emi2fast@xxxxxxxxx> · Sun, 5 Feb 2012 20:14:14 +0100

I think the ringnumber must be diferent for every network

2012/2/5 Ben Shepherd <bshepherd@xxxxxxxxx>

Currently have a 2 node cluster. We configured HA on 1 network to take inbound traffic with multicast in corosync  and 1 VIP.

This works fine (most of the time sometimes if you take the cable out both interfaces end up with the VIP but that is another story)
Customer now has another network on which they want to take traffic. I have assigned the VIP on 

node lxnivrr45.at.inside 
node lxnivrr46.at.inside 
primitive failover-ip1 ocf:heartbeat:IPaddr 
		params ip=" 10.251.96.185" 
		op monitor interval="10s" 
 primitive failover-ip2 ocf:heartbeat:IPaddr 
		params ip="10.2.150.201" 
		op monitor interval="10s" 
colocation failover-ips inf: failover-ip1 failover-ip2 
property $id="cib-bootstrap-options" 
	dc-version="1.1.5-5.el6-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" 
	cluster-infrastructure="openais"  
	expected-quorum-votes="2"  
	no-quorum-policy="ignore"  
	stonith-enabled="false" 
rsc_defaults $id="rsc-options"  
resource-stickiness="100" 

Current Corosync configuration is:

# Please read the corosync.conf.5 manual page
compatibility: whitetank

totem {
	version: 2
	secauth: on
	threads: 0
	interface {
		ringnumber: 0
		bindnetaddr: 10.251.96.160
		#broadcast: yes
		mcastaddr: 239.254.6.8
                mcastport: 5405
		ttl: 1
	}
}

logging {
	fileline: off
	to_stderr: no
	to_logfile: yes
	to_syslog: yes
	logfile: /var/log/cluster/corosync.log
	debug: off
	timestamp: on
	logger_subsys {
		subsys: AMF
		debug: off
	}
}

amf {
	mode: disabled
}

I am a little confused about using. Should I add the Multicast address for the 2nd Network as ring 1 or can I have 2 Interfaces on ring 0 on different networks ? 

Giving me:

# Please read the corosync.conf.5 manual page
compatibility: whitetank

totem {
	version: 2
	secauth: on
	threads: 0
	interface {
		ringnumber: 0
		bindnetaddr: 10.251.96.160
		#broadcast: yes
		mcastaddr: 239.254.6.8
                mcastport: 5405
		ttl: 1
	}
	interface {
		ringnumber: 0
		bindnetaddr: 10.122.147.192
		#broadcast: yes
		mcastaddr: 239.254.6.9
                mcastport: 5405
		ttl: 1
	}
}

logging {
	fileline: off
	to_stderr: no
	to_logfile: yes
	to_syslog: yes
	logfile: /var/log/cluster/corosync.log
	debug: off
	timestamp: on
	logger_subsys {
		subsys: AMF
		debug: off
	}
}

amf {
	mode: disabled
}

Just need to make sure that if I lose either of the interfaces they VIP's fail over.

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