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cluster: document multiple clusters in same network

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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2018-01-18 09:31:27 +01:00 committed by Wolfgang Bumiller
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pvecm.adoc
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@ -104,6 +104,20 @@ To check the state of your cluster use:
hp1# pvecm status
Multiple Clusters In Same Network
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
It is possible to create multiple clusters in the same physical or logical
network. Each cluster must have a unique name, which is used to generate the
cluster's multicast group address. As long as no duplicate cluster names are
configured in one network segment, the different clusters won't interfere with
each other.
If multiple clusters operate in a single network it may be beneficial to setup
an IGMP querier and enable IGMP Snooping in said network. This may reduce the
load of the network significantly because multicast packets are only delivered
to endpoints of the respective member nodes.
Adding Nodes to the Cluster
---------------------------