I created two nodes on Micrsoft Azure, but I can't get them to join a cluster.
Any thoughts?
OS: RHEL 6.9
Corosync version: 1.4.7-5.el6.x86_64
Node names: ha001a (172.28.0.4/23), ha001b (172.28.0.5/23)
The nodes are on the same subnet and can ping and ssh to each other just fine
by either host name or IP address.
I have configured corosync to use unicast.
corosync-cfgtool looks fine...
[root@ha001b corosync]# corosync-cfgtool -s
Printing ring status.
Local node ID 2
RING ID 0
id = 172.28.0.5
status = ring 0 active with no faults
...but corosync-objctl only shows the local node...
[root@ha001b corosync]# corosync-objctl |grep join
totem.join=60
runtime.totem.pg.mrp.srp.memb_join_tx=1
runtime.totem.pg.mrp.srp.memb_join_rx=1
runtime.totem.pg.mrp.srp.members.2.join_count=1
runtime.totem.pg.mrp.srp.members.2.status=joined
...pcs status shows...
Cluster name: ha001
Stack: cman
Current DC: ha001b (version 1.1.15-5.el6-e174ec8) - partition with quorum
Last updated: Wed Aug 23 18:04:33 2017 Last change: Wed Aug 23
17:51:07 2017 by root via cibadmin on ha001b
2 nodes and 0 resources configured
Online: [ ha001b ]
OFFLINE: [ ha001a ]
No resources
Daemon Status:
cman: active/disabled
corosync: active/disabled
pacemaker: active/disabled
pcsd: active/disabled
...it shows the opposite on the other node...
[root@ha001a ~]# corosync-objctl |grep join
totem.join=60
runtime.totem.pg.mrp.srp.memb_join_tx=1
runtime.totem.pg.mrp.srp.memb_join_rx=1
runtime.totem.pg.mrp.srp.members.1.join_count=1
runtime.totem.pg.mrp.srp.members.1.status=joined
[root@ha001a ~]# pcs status
Cluster name: ha001
Stack: cman
Current DC: ha001a (version 1.1.15-5.el6-e174ec8) - partition with quorum
Last updated: Wed Aug 23 18:06:04 2017 Last change: Wed Aug 23
17:51:03 2017 by root via cibadmin on ha001a
2 nodes and 0 resources configured
Online: [ ha001a ]
OFFLINE: [ ha001b ]
No resources
Daemon Status:
cman: active/disabled
corosync: active/disabled
pacemaker: active/disabled
pcsd: active/disabled
...here is my corosync.conf...
compatibility: whitetank
totem {
version: 2
secauth: off
interface {
member {
memberaddr: 172.28.0.4
}
member {
memberaddr: 172.28.0.5
}
ringnumber: 0
bindnetaddr: 172.28.0.0
mcastport: 5405
ttl: 1
}
transport: udpu
}
logging {
fileline: off
to_logfile: yes
to_syslog: yes
logfile: /var/log/cluster/corosync.log
debug: off
timestamp: on
logger_subsys {
subsys: AMF
debug: off
}
}
I used tcpdump and I see a lot of traffic between them on port 2224, but
nothing else.
Is there an issue because the bindinetaddr is 172.28.0.0 but the members have a
/23 mask?
--
Eric Robinson
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