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Superclustering
Polycom, Inc. 230
See also:
About Superclustering on page 226
Supercluster Procedures on page 230
Join Supercluster Dialog Box
In the Supercluster page’s action list, the Join Supercluster command lets you add a Polycom
RealPresence DMA system to an existing supercluster or create a new one. It opens the Join Supercluster
dialog box, where you can specify any cluster in the supercluster to join. If the cluster you specify isn’t
already part of an existing supercluster, joining to it creates a new supercluster that gets its shared data
store from the cluster you specify.
The following table describes the fields in the Join Supercluster dialog box.
See also:
About Superclustering on page 226
RealPresence DMAs on page 227
Supercluster Procedures
To create or join a supercluster
1 Go to Network > RealPresence DMAs.
Note: Supercluster Software Versions Must Match
All the clusters in a supercluster must be running compatible software versions. Patch releases of the
same major version will generally be compatible, but major version upgrades will not be compatible. If
the software version of the system you’re adding isn’t compatible with the supercluster or cluster to
which you’re joining it, a message tells you so and the join operation is terminated.
The host names (virtual and physical) of every cluster in the supercluster must be resolvable by all the
other clusters. For a superclustered system, A/AAAA records on your DNS server(s) for each physical
host name, physical IP address, and virtual host name are mandatory. See Add Required DNS
Records for the Polycom RealPresence DMA System on page 30.
Column Description
Host name or IP address Any existing cluster in the supercluster to which the Polycom RealPresence
DMA system should be joined, or the system with which to form a new
supercluster. We strongly recommend specifying the FQDN of the virtual
management interface for the cluster to be joined.
User name An administrator login name for the specified cluster.
Password The password for the administrator login.
Note: Verify DNS Records
Prior to creating a supercluster, we recommend verifying that DNS can resolve all FQDNs of all
clusters to become part of the supercluster. To do so, go to Maintenance > Troubleshooting Utilities
> Ping and ping the FQDNs (virtual and physical) of the other cluster(s). Do this on each cluster.