Hi, all.
currently start up heartbeat will lead the machine to join the cluster.
if no nodes defined in ha.cf,
heartbeat will fail to start. Could we make a little change? Start
heartbeat even without nodes
defined?
If there are nodes defined, heartbeat work in the current way.
If no nodes defined, heartbeat will not activate the membership
components, the machine is out
of the cluster. So heartbeat can be running on every machine by default,
but the machine is not
necessary to be a member.
Users may run cl_addnode or something like that to add a machine to the
cluster, then heartbeat
may update the ha.cf on the new add machine. hence the HA service will
be running automatically
on this node.
In this way, heartbeat become the reliable communication infrastructure
and a supervisor for
all components. I think this is good for management at least.
Thanks;-)
--
JMP - James Pan
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