Hi,
I have three node cluster set up. My corosync config is as follows.
compatibility: whitetank
totem {
version: 2
secauth: on
threads: 0
interface {
member{
memberaddr: ip
}
member{
memberaddr:ip
}
member{
memberaddr:ip
}
bindnetaddr:172.31.31.12
ringnumber: 0
mcastport: 5405
ttl: 1
}
transport: udpu
}
logging {
fileline: off
to_stderr:yes
to_logfile: yes
to_syslog:yes
logfile:/var/log/cluster/corosync.log
debug:off
timestamp: on
logger_subsys {
subsys: AMF
debug:off
}
}
service {
name: pacemaker
ver: 1
}
amf {
mode: disabled
}
I went on to partition the master, the rest of the cluster considered the
master down and elected a new master.
But the corosync on the partitoned node didnt realize loss of quoram and
consequently pacemaker didnt shut down the resources. Giving me a
multi-master scenario.
I have tried adding , quorum tool as votequoram and it seems to give the
same result.
Why isn't corosync not detecting this scenario ? any ideas.
I used IP tables to block all UDP traffic in and out of the node . I
didn't block traffic on lo.
any help would be appreciated.
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