On Thu, 24 Oct 2013, [email protected] wrote:
Hi,
I am using Pacemaker to configure a 2 node cluster.
The failover seems to be working fine but I would also like the data to go to
both the nodes depending on the load
(i.e. on a round robin basis or transfer the data to another node when load is
increasing).
I am using the following configuration. The data seems to be going only to a
single node when I send from multiple sources.
Can someone suggest any additional changes that is required for the data to be
load balanced in both the nodes.
what is the traffic that you are trying to balance? Is it all from one server?
Is it all in one connection?
If it's all in a single TCP connection, then you cannot balance it across
multiple machines. However, depending on the details of the traffic, you may be
able to get the sender to send things in bursts. For example, rsyslog has the
parameter 'rebindinterval' that has it disconnect and reconnect every N
messages. Since the reconnect increments the source port, this has the effect of
sending N messages to one machine and then N messages to the next machine
(usually anyway, it all depends on the hash details :-) This is 'good enough'
for load balancing syslog messages.
David Lang
vagrant@sendervm:~$ sudo crm configure show
node receivervm
node sendervm
primitive p_vip ocf:heartbeat:IPaddr2 \
params ip="10.114.90.251" cidr_netmask="24" nic="eth1"
clusterip_hash="sourceip-sourceport" \
op start interval="0s" timeout="60s" \
op monitor interval="5s" timeout="20s" \
op stop interval="0s" timeout="60s" \
meta migration-threshold="1" failure-timeout="60s"
property $id="cib-bootstrap-options" \
dc-version="1.1.6-9971ebba4494012a93c03b40a2c58ec0eb60f50c" \
cluster-infrastructure="cman" \
stonith-enabled="false" \
no-quorum-policy="ignore" \
default-resource-stickiness="0"
rsc_defaults $id="rsc-options" \
migration_threshold="1"
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