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Migrating a Large Cisco UCM Cluster to Cisco UCS over the Weekend

To serve our headquarters campus in San Jose, California, Cisco IT deployed one of the world’s largest Cisco Unified Communications Manager (Cisco UCM) clusters, with 9 pairs of subscribers and a publisher supporting this one campus. Together with these main 19-servers the campus cluster also includes Unity node servers, presence servers and management servers, for a total of 48 Cisco MCS 7845s. In June 2012, we migrated these legacy servers to virtualized machines running on Cisco Unified Computing System (UCS) servers over a single weekend. Read More »

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